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The aim of this research is to optimize the perovskite cell (PSC) device using the Taguchi-based GRA method. In order to conduct this study, the simulation of perovskite cell device was carried out using the solar cell capacitance simulator (SCAPS-1D). Predictive modelling was further conducted to optimize multiple output responses such as power co...
Perovskite solar cells are one of the best options for energy supply in the industry as well as in everyday life. These cells are one of the most important alternatives to silicon solar cells due to the relatively easy and cost-effective preparation process. This type of cell is one of the types of nanostructures that today, due to the addition of...
Optical temperature sensors have gained significant attention due to their high precision, fast response time, and immunity to electromagnetic interference. However, enhancing their sensitivity remains a crucial challenge for improving performance in demanding applications such as aerospace, biomedical diagnostics, and industrial automation. This s...
Optical temperature sensors have gained significant attention due to their high precision, fast response time, and immunity to electromagnetic interference. However, enhancing their sensitivity remains a crucial challenge for improving performance in demanding applications such as aerospace, biomedical diagnostics, and industrial automation. This s...
Optical temperature sensors have gained significant attention due to their high precision, fast response time, and immunity to electromagnetic interference. However, enhancing their sensitivity remains a crucial challenge for improving performance in demanding applications such as aerospace, biomedical diagnostics, and industrial automation. This s...
The cuckoo algorithm, inspired by the brood parasitism of cuckoo birds, has shown promising results in optimizing the performance of perovskite solar cells (PSCs). By mimicking the natural selection process, the cuckoo algorithm efficiently searches for optimal solutions in complex problem spaces. It has been utilized to fine-tune various parameter...
The cuckoo algorithm, inspired by the brood parasitism of cuckoo birds, has shown promising results in optimizing the performance of perovskite solar cells (PSCs). By mimicking the natural selection process, the cuckoo algorithm efficiently searches for optimal solutions in complex problem spaces. It has been utilized to fine-tune various parameter...
The addition of sintering additives is frequently regarded as an effective approach to increase the density of proton-conducting oxide materials for their subsequent application as thin-film electrolytes for high-efficiency and high-performance protonic ceramic fuel cells (PCFCs) and electrolysis cells (PCECs). Although the positive effects of sint...
Optimizing the architecture of perovskite light‐emitting diodes (PeLEDs), such as incorporating inorganic hole transporting layers (HTLs), is crucial for enhancing their operational stability. Nickel oxide (NiOx) offers a unique combination of intrinsic stability, good electron‐blocking properties, excellent solution processability, and tunable opt...
Double-perovskite halides are emerging as a promising class of materials for renewable energy solutions, offering expectation in the search to address the global energy crisis. With their unique properties, they hold the potential to meet the key challenges in sustainable energy production, paving the way for a cleaner, more efficient future. Conse...
Colorful perovskite solar cells exhibit excellent potential for building‐integrated photovoltaics (BIPVs), which increase the utilization of clean power. However, their efficiencies are lower than those of uncolored devices. Moreover, traditional mono‐facial colored devices cannot satisfy diverse BIPV scenarios. Here a bifacial iridescent solar cel...
Fluorescent actuators with light‐emitting and shape‐deformation properties are promising in bionics and soft robotics. However, current fluorescent actuators barely balance actuation performances with fluorescence properties, as they exhibit insufficient brightness, poor color‐purity, low‐stability, and few functional‐integrations, limiting their a...
The injection current induced by the bulk photovoltaic effect has garnered significant interest in the exploration of Rashba–Dresselhaus splitting in perovskite materials. However, the injection current is frequently veiled by coexisting shift current, thereby confusion arises in various current measurements. Herein, a wavelength‐dependent terahert...
Hybrid conversion Zn–air batteries (HC‐ZABs) epitomize a typical integrated energy storage and conversion device that advances green chemistry and reduces carbon emissions. However, balancing efficiency and selectivity of electrocatalytic cathodic reactions remains the bottleneck in such batteries. Herein, we address this issue by designing a high‐...
This study provides a comprehensive analysis of the electronic structure, reflectivity, and luminescent spectra of the organic-inorganic, metal-halide MAPbCl3 perovskite, which has considerable potential for various optoelectronic applications. Using density functional theory (DFT) calculations, we investigated the electronic structure of MAPbCl3 a...
Due to the strong X‐ray attenuation coefficient, high carrier mobility‐lifetime product, remarkable detection efficiency, and high‐resolution imaging capability, metal halide perovskites have attracted increasing attention in the field of X‐ray detection, known as promising candidates for next‐generation high‐performance radiation monitoring semico...
Chiral metal halide perovskites (MHPs) have emerged for the excellent integration of spin states of freedom with optoelectronic properties. The chiral-induced spin selectivity (CISS) effect enables chiral MHPs great potential to spin-dependent optoelectronic applications. In this review, we briefly summarize the construction principles and recent d...
Carbon-based hole transport layer-free flexible perovskite solar cells are cheap and easy to fabricate but have relatively low efficiency. Recently, graphene-related nanomaterials, including graphene oxide (GO) and reduced graphene oxide (rGO), have attracted great attention as versatile materials for improving the stability and performance of pero...
Extracting lithium from seawater, which contains 70% of global lithium reserves, is highly critical for the sustainable development of lithium‐ion batteries. However, low concentration of lithium‐ion (Li⁺) and abundant interfering cations in seawater requires highly selective and efficient Li⁺ transport at the solid‐liquid interface. In this study,...
The residual strain and crystallographic defects in perovskite films pose significant challenges to improving the efficiency and stability of perovskite solar cells (PSCs). To address these issues, 3,5‐difluorobenzenesulfonamide (DBF) is introduced as a powerful additive. The spacing of functional groups in DBF molecules is precisely comparable to...
Over the past decade, a new class of ferroelectric materials with atomic-level thickness, particularly monolayer materials, has been predicted theoretically and confirmed experimentally. These two-dimensional ferroelectric materials, especially those exhibiting finite out-of-plane (OOP) polarizations, have garnered significant attention in both con...
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The nonradiative recombination losses at the buried interface, arising from interfacial defects, unfavorable energy level alignment, and residual strain, are the main impediment for perovskite solar cells (PSCs) to achieve superior efficiency and stability. To address this issue, a multifunctional dipolar molecular bridge, 1,4‐phenylenebis(1‐cyanoe...
In the present work, we synthesized La-doped 0.70 Ba 1-x La2x/3TiO3-0.30 Bi (Mg0.5 Ti0.5) O3 ceramics (where x-0.02, 0.04, 0.06, 0.08) hereby designated as BLT-BMT by conventional solid-state sintering method. The emphasis was to evaluate the structure and dielectric properties of BLT-BMT as a function of La concentration. Reitveld refinement of th...
Formamidinium lead iodide (FAPbI3) perovskite, one of the most promising light‐absorbing materials, faces substantial stability issues, including FA⁺ organic component volatilization and undesirable phase transition between corner‐sharing and face‐sharing [PbI6]4 ̶ octahedra. Especially, the asymmetric hydrogen bonding, arising from oriented and ir...
Self-healing is a fundamental ability inherent in humans, plants, and other living organisms. To date, a variety of materials with self-healing properties have been developed. However, these materials usually require external inputs such as electric potentials or healing agents to initiate or promote self-healing reactions. Herein, we present a nov...
![Fig. 3 Inverse of integrated PL intensity [1/I(T)] vs inverse of...](publication/390170435/figure/fig2/AS:11431281323322980@1742926048337/nverse-of-integrated-PL-intensity-1-IT-vs-inverse-of-temperature-1-T-plots-fitted_Q320.jpg)
Two-dimensional (2D) metal halide perovskites (MHPs) hold great potential for optoelectronic and spintronic device applications due to their outstanding optical and electronic properties. In this study, we conducted a systematic...
This study introduces a simple and effective way to control the bandgap of perovskite film by constructing bilayer film composed of methylammonium lead iodide (MAPbI3) and formamidinium lead iodide (FAPbI3) layers. The bilayer film is fabricated through the sequential co‐deposition of methylammonium iodide (MAI) and lead iodide (PbI2), followed by...
High-temperature solid-phase method were used to prepare lead-free piezoelectric ceramics of 0.67BiFeO3-0.3BaTi1 − xHfxO3 and the effects of B-site Hf⁴⁺ doping on the microstructure, dielectric properties, and ferroelectric properties of the ceramics were investigated systematically. The results have shown that partial substitution of Hf⁴⁺ for Ti⁴⁺...
2D/3D perovskites, where 3D perovskite emitting cores are shelled by 2D or quasi‐2D perovskites, show great promise in defect reduction for efficient perovskite light‐emitting diodes (Pero‐LEDs). However, rapid crystallization often leads to simultaneous formation and random distribution of 3D and 2D perovskites, impeding energy transfer and increa...
Due to their well-suited optoelectronic properties, metal halide perovskites are emerging semiconductor materials with potential applications in solar cells, detectors, and light-emitting diodes. Beyond the traditional 3D perovskites, low-dimensional counterparts have more attractive effects such as excitonic emissions and quantum confinements that...
A nonvolatile memory device based on a layered-heterojunction transistor composed of two-dimensional Ruddlesden–Popper-phase perovskite and polymeric semiconducting films is fabricated. The intrinsic quantum wells in the two-dimensional perovskite act as charge-trapping layers to capture and store carriers when the device is biased, while the thin...
Alternating–current (AC) poling frequently triggers abnormal physical phenomena of materials. For ferroelectric materials, it will probably make further improvement on their polarization properties, compared to conventional direct-current (DC) poling. Temperature- and frequency- dependence of AC and DC conductivities can provide valuable insights i...
Organic–inorganic hybrid copper(I)-based metal halides (OIHCMHs) have emerged as promising alternatives to lead perovskites due to their exceptional optical properties. However, the lack of low-energy light-emitting compounds prohibits their further applications. Herein, we report an orange–red emissive (C19H18P)2Cu4Br6 with a zero-dimensional stru...
Inorganic CsPbI2Br perovskite solar cells have attracted widespread attention due to their outstanding performance and photo-thermal stability. However, the rapid crystallization of the solution-processed CsPbI2Br film often results in poor crystallinity and a high density of defects, which seriously restrict the improvement of the device performan...
Safe fast‐charging anodes with high operating voltage, such as Li4Ti5O12 (≈1.55 V) and TiNb2O7 (≈1.65 V), compromise the full‐cell output voltage (2.3 V) to ensure safety, limiting the energy density. Lowering anode potential can effectively enhance energy density while maintaining safety; however, the mechanisms behind require further exploration....
Quasi‐2D perovskite light‐emitting diodes (Pero‐LEDs) are promising for next‐generation lightings and displays, yet their performance remains constrained by unbalanced carrier injection and non‐radiative recombination. In this study, a precise step‐wise antisolvent processing technique is presented to engineer custom‐tailored hillock‐shaped morphol...
Two-dimensional (2D) chiral perovskites exhibit strong circular dichroism and two-photon absorption (TPA). A comprehensive understanding of the two-photon excited spin excitonic properties in 2D chiral perovskites is essential for the development of chirality related nonlinear optical (NLO) devices. In this work, we have constructed a series of 2D...
Exchange bias (EB), manifested as a hysteresis‐loop offset after field‐cooling, is demonstrated in perovskite‐structured ferromagnet/antiferromagnet (La0.67Sr0.33MnO3/YFeO3)n heterostructures grown on (100) SrTiO3 substrates. Bilayer samples show an EB of 306 Oe at 50 K, whereas multilayers with five layers exhibit an exchange bias of up to 424 Oe...
The photoactive α‐phase of formamidinium lead iodide perovskite (α‐FAPbI3) is regarded as one of the ideal materials for high‐efficiency perovskite solar cells (PSCs) due to its superior optoelectronic properties. However, during the deposition of α‐FAPbI3 perovskite films, the presence of impurity phases, such as PbI2 and δ‐FAPbI3, can cause the f...
High‐quality, low‐defect perovskite emitters are crucial for achieving high‐performance perovskite optoelectronics. Additive engineering, which involves incorporating organic molecules (predominately amino‐based) into perovskite precursor solution, is an effective strategy for reducing perovskite defects and thereby achieving high‐quality perovskit...
Reversible protonic ceramic cells (RPCCs) offer a promising pathway to efficient and reversible energy conversion, accelerating the global shift to renewables. However, the RPCCs’ commercialization faces limitations in air electrode materials. Traditional cobalt‐based perovskite air electrodes, while effective, suffer from high cost and environment...
Perovskite oxides can effectively eliminate organic contaminants present in wastewater via photocatalytic degradation. In this work, we reported first time the photocatalytic degradation of the methyl blue dye using La2SrFe2TiO9 as the catalyst. The sample was prepared by using the standard solid-state reaction route method, and the sample phase pu...
Perovskites have attracted a lot of interest due to their potential use in solar cells and alternative forms of energy. This study uses Density Functional Theory based Generalized Gradient Approximations and Perdew Burke Ernzerhof (GGA-PBE) simulations to examine the thermodynamic, optoelectronic, and physical aspects of FrJCl3 (J = Be, Mg). The to...
In this study, we explored the characteristics of FTO/TiO2/ZnO/MASnI3/MAPbI3/Au solar cells through SCAPS-1D modeling. Initially, we focused on modeling a conventional solar cell based on a CH3NH3PbI3 layer, a bilayer Electron Transport Layer, and a Spiro-OMETAD Hole Transport Layer. The model was based on experimental data and demonstrated excelle...
CsPbI3, an inorganic perovskite with an excellent bandgap and thermal stability, exhibits great potential for Si-perovskite tandem solar cells although it is highly sensitive to moisture. Here we address this by fabricating CsPbI3 solar cells under high humidity, controlling annealing via the humidity-dependent volatilization of dimethylammonium io...
Lead-free perovskites have become a potential candidate for the development of the photovoltaic field. Here, we explored the structural and optoelectronic characteristics of silicon-perovskite FASiBr 3 − X I X ( X = 0, 1, 2 or 3) for solar device applications. Density functional theory has been applied. The band structure shows that FASiBr 3 FASiBr...
A remarkable optical and electronic properties of halide double perovskites attracted researchers of all corner of globe. Nevertheless, the instability at ambient condition and toxicity of materials hold ups the commercial use. This study describes a straightforward, low-energy, and scalable solution method using reflux temperature to induce the fo...
Inorganic perovskites are known for their excellent photothermal stability; however, the photothermal stability of all‐inorganic n‐i‐p perovskite solar cells (PSCs) is compromised due to ion diffusion and free radical‐induced degradation caused by the use of doped spiro‐OMeTAD hole transport materials (HTMs). In this study, two isomeric donor–accep...
Perovskite samples of Na0.5Bi0.5TiO3 (NBT) and Na0.25Bi0.25Ba0.5TiO3 (NBBT) were synthesized using the molten-salt method. The structural, morphological, and electrical properties of these materials were analyzed. Both samples exhibited a single-phase rhombohedral crystal structure with space group R3c. Rietveld refinement confirmed an increase in...
Mixed ionic-electronic conduction is a prevalent phenomenon in metal halide perovskites, having a critical impact in multiple optoelectronic applications. In Sn-based halide perovskites, their higher hole density ([p]) owing to the facile formation of Sn vacancies (VSn-2) induces substantial electronic transport differences versus their Pb-based an...
High‐entropy disordered solid solutions, including various carbides, nitrides, borides, sulfides, silicides, and oxides, have attracted considerable attention due to their unique properties. These materials exhibit significant property variations driven by increased entropy contributions to Gibbs free energy and lattice distortion. High‐entropy cer...
Wide‐bandgap perovskites based on mixed formamidinium−cesium cation and iodide−bromide halide are promising materials in the top cells that are well‐matched with crystalline silicon bottom cells to construct efficient tandem photovoltaics. Nevertheless, mixed cation−halide perovskite films with submicron film thickness suffer from poor crystallinit...
Interfacial engineering is a proven strategy to enhance the efficiency of perovskite solar cells (PeSCs) by controlling surface electronic defects and carrier trapping. The trap states at the “top” interface between the perovskite and upper charge extraction layers are experimentally accessible and have been extensively studied. However, the unders...
The widespread manufacture of perovskite solar cells (PSCs) is hindered by the significant use of toxic solvents in the solution processing. Among the alternative synthesis routes, the newly developed water-processable approach stands out for its environmental friendliness and scalability. However, the performance of the water-processed PSCs still...
The influence of strontium deficiency on the magnetic and magnetocaloric properties of Pr0.7Sr0.3–xMnO3 (x = 0.05 and 0.1) perovskite compounds were studied. From the magnetic measurements, a second-ordered magnetic phase transition from the ferromagnetic to the paramagnetic state was noticed at the Curie temperature TC, which was found to decrease...
Film morphology and surface/interface defect density play a critical role in determining the efficiency and stability of perovskite solar cells (PSCs). Here, a chlorine‐substituted aromatic polycyclic derivative (BNCl) is reported, which shows strong interaction with both lead iodide and dimethyl sulfoxide, to regulate the crystallization of perovs...
Growing interest has emerged in the alternating current (AC) photovoltaic effect, distinct from the traditional direct‐current (DC)‐based photovoltaic effect. This effect arises from the relative movement and reorganization of quasi‐Fermi levels at material interfaces when light is toggled on or off. In this study, a halide‐perovskite‐based photode...
Birefringent crystals have gained enormous attention for decades due to their unique ability to manipulate polarized light. However, achieving the fascinating on/off (active/inactive) switchable birefringence under external stimuli in crystals remains a huge challenge, and the stimuli employed have been constrained predominantly to temperature. Her...
Neuromorphic visual systems, integrating image information acquisition, processing, and storage, hold significant potential for applications in smart security, healthcare, and other fields. Currently, commercial human visual prosthetic systems primarily utilize Si‐based CMOS logic circuits to simulate synaptic functions. Compared to traditional Si‐...
In the field of optoelectronics, two-dimensional cesium lead bromide perovskites have emerged as a focal point of research, yet their application in photovoltaics is limited by a substantial bandgap and charge carrier confinement. To address this, our study introduces SnI2 as a substitutional dopant within a monolayer of Cs4Pb3Br10, yielding the no...
Perovskite solar cells (PSCs) have been widely developed and are now moving toward large‐scale commercialization. Hole transporting material (HTM) is an important part of PSCs, where it plays a crucial role in facilitating hole extraction to the anode and blocking electrons from passing through it. Although 2,2′,7,7′‐Tetrakis(N,N‐di‐p‐methoxyphenyl...
Wide bandgap (WBG) metal halide perovskite solar cells with high output voltages are critical for high efficiency multi‐junction solar cells. This work demonstrates the first use of laser annealing in ambient for fabricating both the self‐assembly molecular (SAM) hole transport layer (HTL) and the perovskite layer for 1.80 eV perovskite solar cells...
Displaying is an indispensable function for smart electronic textiles to achieve information interaction. Weaving electroluminescent fibers into textiles with designed patterns has proven as an efficient strategy to realize informative displaying. However, the design of multicolor electroluminescent fibers with a wide color gamut remains challengin...
Low-bandgap (LBG) mixed tin-lead (Sn−Pb) perovskite solar cells (PSCs) suffer from inferior performance due to their high defect density. Conventionally, ethylenediammonium diiodide (EDADI) is used as a surface passivator to reduce defects and improve device photovoltaic performance, but it introduces severe hysteresis caused by excessive mobilized...
Despite the reported high efficiencies of small‐area perovskite photovoltaic cells, the deficiency in large‐area modules has impeded the commercialization of perovskite photovoltaics. Enhancing the surface/interface conductivity and carrier‐transport in polycrystalline perovskite films presents significant potential for boosting the efficiency of p...
Nanoparticles (NPs) of Al3+ and Zn2+ doped LaFeO3 (La1-xAlxFe1-yZnyO3-δ) perovskite have been synthesized employing a hydrothermal route. Nanoparticles were characterized employing UV/visible, FTIR, SEM, EDX and XRD analytical techniques. The NPs were found having 14–18 nm size with rhombohedral structure. Tauc plots confirmed 1.97 eV band gap opti...
This paper introduces an ab initio theoretical investigation employing the Full-Potential Linear Augmented Plane Wave (FP-LAPW) method grounded in Density Functional Theory (DFT). The aim is to ascertain the structural and electronic characteristics of the perovskite compounds MgSnO3 and CaSnO3. The calculation of structural and electronic properti...
Halide perovskite solar cells have garnered significant attention as one of the most rapidly advancing technologies in the field of photovoltaics (PV). In 2009, hybrid organic–inorganic halide perovskites achieved an initial power conversion efficiency (PCE) of 3.8%, with CH 3 NH 3 PbI 3 serving as a photosensitizer in dye-sensitized solar cells. R...
Realizing semiconductors with high symmetry of their crystallographic structures has been a virtue of inorganic materials and has resulted in novel physical behaviors. In contrast, hybrid (organic and inorganic) crystals such as two-dimensional metal halide perovskites exhibit much lower crystal symmetry due to in-plane or out of plane octahedral d...
The search for new materials with attractive properties is crucial to the technological development of optoelectronic applications, including photovoltaic solar cells, photodetectors and light-emitting diodes. Using density functional theory (DFT), the structural, elastic, electronic, optical, and phonon properties of cubic halide perovskites AgMgX...
Perovskite‐organic tandem solar cells (TSCs) possess significant potential due to their unique features, such as orthogonal processing solvents, tunable bandgap, and infinite molecular designs. However, their device performance is often hindered by the limited series current density, which is constrained by the absorption of the rear organic solar...
This work explores the first principles study of the mechanical, electronic, optical, thermodynamic, and thermoelectric
properties of cubic-phase CsSnI₃ perovskites using the generalized gradient approximation (GGA). The electronic band
gap and density of states analysis show the direct nature of band gap. All the calculated elastic constant parame...
Layered perovskites have been actively studied due to their outstanding electronic and optical properties as well as kinetic stability. Layered perovskites with hexagonal symmetry have special electronic properties, such as the Dirac cone in the band structure, similar to graphene. In the presented study, the heterostructure of single-layer all-ino...
The passivation of detrimental perovskite‐based defects is critically acknowledged for fabricating highly effective perovskite solar cells (PSCs). The presence of a high‐quality electron transport layer (ETL) is also considered a pivotal factor for effective charge extraction and transport dynamics. Herein, a simple small organic molecule, aminomet...
![Contribution of each domain orientation for [001], [100], and [111]...](publication/390670559/figure/fig3/AS:11431281371647338@1744383129366/Contribution-of-each-domain-orientation-for-001-100-and-111-directions_Q320.jpg)
Environmental concerns about the effects of the continued use of Pb-based ferroelectric single crystals are encouraging research on alternative lead-free compositions. Among the lead-free materials, (K, Na)NbO3-based ferroelectric single crystals are one of the most promising candidates for the substitution of Pb-based ones. In this work, it was in...
Reducing heterointerface nonradiative recombination is a key challenge for realizing highly efficient perovskite solar cells (PSCs). Motivated by this, a facile strategy is developed via interfacial energetics reversal to functionalize perovskite heterointerface. A surfactant molecule, trichloro[3‐(pentafluorophenyl)propyl]silane (TPFS) reverses pe...
Metal‐free perovskite (MFP) X‐ray detectors have attracted attention due to biocompatibility and synthesizability. However, the necessity of high voltages for MFP X‐ray detectors affects stability and safety. Although, the bulk photovoltaic effect (BPVE) with spontaneous electric field is a potential alternative for X‐ray detection without high vol...
In this work, we synthesized a novel optical functional nanocomposite material by incorporating all-inorganic metal halide perovskite (MHP, CsPbBr3) nano-crystals to Ge2S3 chalcogenide glass (ChG), and discovered their superior nonlinear optical performance, which is as good as organic-inorganic hybrid MHPs. This all-inorganic MHP-ChG nanocomposite...
Semi‐transparent perovskite solar cells (STPSCs) have shown great potential in Building Integrated Photovoltaics (BIPVs). Inverted STPSCs with nickel oxide (NiOx) hole transport layer are preferred for BIPVs due to their excellent stability and transparency. However, their performance is limited due to poor NiOx/perovskite interface leading to non‐...
Electrochemical energy sources are part of the new energy sector due to their high efficiency and cost effectiveness. Solid oxide fuel cells are an excellent example of these devices. They are made from a variety of materials, including ceramics. Oxygen ion conductive ceramics can be used as the electrolyte material. In this work, the isovalent dop...
Considering sustainable development factors such as element abundance, cost, environmental friendliness, and stability, the research and development of novel inorganic non‐lead perovskites are very significant. Copper‐silver‐bismuth iodide (CABI) is a promising solar cell material with halide perovskite genes, possessing eco‐friendly, element‐rich,...
Metal halide perovskites are promising candidates for direct X‐ray imaging, but their heterogeneous integration with pixelated sensing arrays remains challenging. Herein, a novel solid‐state crystal growth strategy to integrate high‐quality perovskites with the pixelated electrode substrate for X‐ray imaging is described, and the soft methylammoniu...
An electronic configuration-modulation strategy was employed to synthesize ANiO 3 perovskites for catalytic steam reforming of polyethylene terephthalate (PET).
Lead‐free double perovskites (LFDP) have attracted considerable attention due to their remarkable optoelectronic characteristics, which include tunable bandgaps spanning the entire visible spectrum, high photoluminescence quantum yields (PLQY), and wide emission bandwidths. The incorporation of transition metal ions into lead‐free double perovskite...
Precise control over nanocrystal synthesis is crucial for tailoring their optical properties, yet traditional optimization remains labor-intensive and empirical. Here, we develop a data-efficient approach that combines experimental insights with machine learning to optimize the synthesis of quantum-confined nanocrystals. Using \ce{CsPbBr3} as a mod...
With the advancement of photodetector technology, applying perovskite photodetectors in imaging sensors has become a pursued goal in the field of optoelectronics. The main challenges to integrating perovskite photodetectors for imaging are energy consumption and the optoelectrical crosstalk between pixels. Herein, a self-driven 10 × 10 perovskite p...
This study employs density functional theory (DFT) to investigate the impact of Palladium (Pd) doping on the structural, electronic, and optical properties of rutile tin oxide (SnO2). In the analysis, Pd dopant atoms replaced Sn atoms, effectively shifting the rutile SnO2 absorption edge closer to the visible light spectrum. The calculated band gap...
It has been proposed that, rather than the lithosphere, cratonic lamproites may be derived from convecting mantle sources like those of kimberlites, but with extensive subsequent melt modification via melt-rock reaction with metasomatized, phlogopite-rich sub-continental lithospheric mantle (SCLM). Here we explore this model using samples from kimb...
Inorganic CsPbI3 perovskite quantum dots (PQDs) demonstrate high potential for new‐generation photovoltaics, but the imbalanced surface stress of PQDs induced by ligand deficiency and incompatibility significantly deteriorates their optoelectronic properties and phase stability, restricting their photovoltaic performance. Herein, a surface lattice...
Perovskites are the most versatile class of materials. Among these, double perovskites attracted high attention in recent times for green energy applications. Current work focuses K2InGaX6 (X = Cl, Br or I) compounds for the structural, optoelectronic, Mechanical, Thermoelectric and Transport properties using density functional theory. It is unequi...
Materials with a high electrocaloric effect (ECE)1,2 tend to favour a disordered yet easily tunable polar structure. Perovskite ferroelectrics³ stand out as ideal candidates owing to their high dielectric responses and reasonable thermal conductivity. The introduction of multielement atomic distortions induces a high-polar-entropy state⁴ that notab...
Magnetic interactions are thought to play a key role in the properties of many unconventional superconductors, including cuprates, iron pnictides, and square-planar nickelates. Superconductivity was also recently observed in the bilayer and trilayer Ruddlesden-Popper nickelates, whose electronic structure is expected to differ from that of cuprates...
All‐inorganic CsPbI3 perovskites film prepared via the low‐temperature solution method often suffers from numerous defects during the crystallization process. Passivators used for surface passivation typically contain monofunctional groups, including sulfur, nitrogen, and oxygen. These monodentate groups bind to uncoordinated Pb²⁺ by sharing electr...
Despite the rapid development of perovskite solar cells (PSCs) in the past decade, the open‐circuit voltage (VOC) of PSCs still lags behind the theoretical Shockley–Queisser limit. Energy‐level mismatch and unwanted nonradiative recombination at key interfaces are the main factors detrimental to VOC. Herein, a perovskite crystallization‐driven temp...
Electron-correlated two-dimensional (2D) cuprates have been extensively studied since the discovery of high-Tc superconductivity, in contrast, the three-dimensional (3D) counterpart perovskite cuprates remain largely unexplored due to their chemical instability and synthesis challenges. Herein, we develop an efficient two-step approach that combine...
An intermediate mirror has been proposed to enhance multijunction solar cell efficiency by selectively reflecting the light beyond higher energy bandgap of top cell, while simultaneously transmitting the rest of lower-energy light. Therefore, it reduces the higher-energy absorption spectral tail of the bottom cell (thermalization loss) and increase...
Tin (Sn) halide perovskites present considerable potential for the advancement of high‐performance p‐channel field‐effect transistors (FETs), attributable to their low hole effective mass and reduced carrier scattering. However, their intrinsic instability has impeded their ability to achieve the anticipated performance benchmarks. In this study, m...
Perovskite light‐emitting diodes (PeLEDs) are emerging as strong candidates for next‐generation displays due to their outstanding optoelectronic properties, solution processability, and cost‐effectiveness. However, the development of highly efficient blue PeLEDs remains a significant challenge. Here, a bottom‐up strategy is introduced for precise c...
