Organic - Science topic

The fifth edition of SCOM will bring together established world experts and emerging research leaders from fields such as Organic Chemistry, Condensed-Matter Physics, Nanophotonics, Quantum Optics, Materials Science, and Engineering. The conference topics cover all aspects of strong light—matter coupling. 16 June: Summer School & 17-19 June: Confer...

Organic certification identifies food produced with more sustainable product methods. However, several studies have pointed out that it is also likely to generate a halo effect on the caloric estimation of food. As a result, unhealthy foods are perceived as containing fewer calories and may lead to increased consumption intentions. The aim of this...

The integration of teaching content in the new media era refers to the use of information technology in the process of teaching, the use of information technology to reasonably analyze the teaching content and then effectively adjusted, is a better means of teaching and learning to improve the effectiveness of the classroom. This study, guided by c...

Energy loss (Eloss) between optical energy gap (Eg) and open‐circuit voltage (eVoc) sets efficiency upper limits for organic solar cells (OSCs). Nevertheless, further breaking the limit of Eloss in OSCs is challenging, especially via structurally simple materials in binary OSCs. Herein, a structurally simple nonhalogenated polymer donor, namely PBD...

The transition-metal-catalyzed asymmetric allylic substitution represents a pivotal methodology in organic synthesis, providing remarkable versatility for complex molecule construction. Particularly, the generation and utilization of chiral secondary alkylcopper species have received considerable attention due to their unique properties in stereose...

The first example for photo‐induced oxidative C−H esterification of quinoxalinones with arylaldehydes under benign conditions has been reported. This method is distinguished by its capacity to accommodate a diverse array of quinoxalinones and arylaldehydes, culminating in the synthesis of the corresponding esters with moderate to good yields. The p...

Sulfonamide is one of the most important structures in organic chemistry due to its presence in natural products and pharmaceuticals. Herein, we disclose a simple, highly efficient, and direct one‐step synthesis of N‐nitroso sulfonamides in excellent yields within 30 minutes employing sulfonamides and tert‐butyl nitrite at room temperature in open...

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Dielectric materials with high relative permittivity, i.e., high‐k dielectrics, are in great demand for application as gate dielectric for the development of field‐effect transistors operating at low voltages. However, a high‐k gate dielectric does not always produce favorable outcomes, particularly in field‐effect transistors based on organic semi...

Organic electrochemical transistors (OECTs) have shown significant potential in applications ranging from bio-sensing to neuromorphic devices and cell impedance monitors. Transient response plays a pivotal role in varied applications. However, it is still challenging to accurately analyze the complex equilibrium process of transient response. The f...

Fluorine‐containing compounds have garnered significant attention in organic synthesis, pharmaceuticals, and agrochemicals. The development of efficient methods for constructing fluorinated structures has become a critical topic in organic synthesis. Additionally, N‐heterocyclic carbene (NHC)‐organocatalyzed multicomponent fluorination and fluoroal...

We model charge-carrier hopping transport and electron–hole recombination in realistic amorphous structures of different densities and use the obtained results to assess the quality of the lattice models with Gaussian energy disorder, which have been the main theoretical tool in the studies of amorphous organic semiconductors. We find that the hopp...

Organic phototransistors (OPTs) have garnered significant attention due to their potential in wearable and flexible electronics. However, achieving high carrier mobility and broadband response in organic semiconductors for OPTs remains a challenge. In this work, a new fused diketopyrrolopyrrole (FDPP) derivative is reported, 2,9‐bis(4‐hexylphenyl)‐...

Sulfonyl fluorides are valuable structures in organic chemistry and drug discovery. In this study, a novel metal‐ and catalyst‐free method for synthesizing sulfonyl fluorides from aryltriazenes was developed. This reaction employed a one‐pot, multi‐component approach using aryltriazenes, DABSO, and NFSI in the presence of TFA. Using this method, a...

A vast majority of the current research in the field of machine learning is done using algorithms with strong arguments pointing to their biological implausibility such as backpropagation, deviating the field’s focus from understanding its original organic inspiration to a compulsive search for optimal performance. Yet there have been a few propose...

Studying Fe(III)-catalyzed reactions by NMR poses challenges due to the paramagnetic nature of Fe(III) species. Consequently, spin-independent methods for studying iron(III)-catalyzed processes are of significant interest to the iron catalysis community. This work introduces, for the first time, mechanistic insights into two Fe(III)-catalyzed organ...

Over the past 20 years, there is a shift of research and development in electromagnetic wave (EMW) absorption materials toward exploiting the unique structure and composition of gel‐based based materials to manipulate EMWs. In this article, it will review the research and development by focusing on applications of various gels for EMW absorption, i...

While individual perovskite and organic solar cells have demonstrated remarkable performance, achieving similar success in high-efficiency perovskite/organic tandem solar cells (TSCs) has been challenging, primarily due to large voltage deficits and severe non-radiative recombination. By exploring the fundamental mechanisms of carrier losses, we id...

The high use of synthetic fertilizer and pesticides in paddy field practice was not sustainable and resulted in decreased production. Therefore, organic farming is one of the solutions. A conventional paddy field is required to undergo a transition period where synthetic fertilizer is substituted by organic fertilizer before becoming an organic pad...

The potential of high power/capacity density and Li⁺ solid diffusion mechanisms of niobium‐based binary metal oxide (CoNb2O6) anode material are investigated by combining high‐rate Nb2O5 with the redox‐active 3d transition metal Co. CoNb2O6 exhibited exceptional rate capability and cycling stability, which is attributed to anisotropic expansion dur...

The abuse of toxic organic solvents has caused great harm to human health and the environment. Therefore, developing an environmentally friendly nano-based pesticide formulation without using harmful solvents is urgent...

Volatile organic compounds (VOCs) are released from many sources indoors, with ingress of outdoor air being an additional source of these species indoors. We report indoor VOC concentrations for 124...

The evolution of spatial forms in traditional villages encapsulates a wealth of cultural information pertaining to regional, ethnic, and ecological contexts. Highlighting local characteristics and perpetuating rural cultural heritage are pivotal for the revitalization of rural culture in China. This study, focusing on the Lübuyi Ancient Village in...

The organic combination of telemedicine and technology classification provides new ideas for the development of intelligent diagnosis of ophthalmic diseases. In this paper, Gray Wolf optimization algorithm is used for ophthalmic image feature selection, and a M ² LC-Net model is proposed to solve the multimodal and multidisease long-tailed data cla...

A simple, efficient and environmentally friendly methodology for the halodecarboxylation of anisole analogues using Fe(NO3)3·9H2O/KBr or NaI at room temperature was developed. In this method, most substrates with an electron-donating group afforded corresponding products in good to excellent yields, whereas those with an electron-withdrawing group...

Long-persistent luminescence (LPL) materials have applications from safety signage to bioimaging; however, existing organic LPL (OLPL) systems do not align with human scotopic vision, which is sensitive to blue light. We present a strategy to blueshift the emissions in binary OLPL systems by upconverting the charge-transfer (CT) to a locally excite...

Correction for ‘Recent developments in hydrogels containing copper and palladium for the catalytic reduction/degradation of organic pollutants’ by Jaber Dadashi et al., RSC Adv., 2022, 12, 23481–23502, https://doi.org/10.1039/d2ra03418b.

This paper investigates visitors’ preferences to the Outeniqua Farmers’ Market (OFM) in George in the Western Cape Province of South Africa. The OFM is a typical farmers’ market that takes place every Saturday morning on the outskirts of the town, where stall owners and visitors congregate. Whilst it presents an opportunity for stall holders to sel...

A novel family of symmetric squaramide-based LMWGs has been synthesised, both functionalized with dansyl moieties and alkyl chain spacers of different length (n= 3, n = 4 named L1 and...

The performance of the donor–acceptor polymer PDPP-TEG-2Tz in organic electrochemical transistors was investigated using various anions.

The open‐shell organic and carbon‐based systems, with either a doublet, triplet or higher spin‐states, play a key role in contemporary research, opening potential applicability for several crucial fields. Among those derivatives, specific attention has been given to p‐phenylene‐based systems derived from the original Thiele hydrocarbon. These syste...

This review explores the intrinsic connection between the structural features of different organic electrode materials and their charge storage performance, aiming to unveil key design principles for organic molecules used in various multivalent metal battery applications.

Although research on the activation of C─H bonds in alkanes has been ongoing for decades, there are still few strategies that are both highly selective and suitable for industrial production. Herein, we report a highly selective method for the chlorination of terminal C─H bonds in alkanes by combining electrochemistry and organocatalysis. The speci...

The synthesis of a rigid hexakis(salicylaldehyde) precursor for porous organic metal salphens based on triptycene is presented. Synthetic approaches, their failures and how to learn from these to circumvent those and finally reach the synthetic goal is discussed. First tests to convert this new rigid building block into organic molecules of intrins...

Sulfinate esters (sulfinic acid esters) play a crucial role in various research fields including synthetic organic chemistry and pharmaceutical sciences. In this feature article, I review recent advances in the...

Covalent organic frameworks (COFs) have been regarded as promising cathode materials for lithium batteries. However, they generally show low practical capacity. Here, the design, preparation, and battery application of a highly crystalline 2D truxenone‐based COF (TRO‐BT‐COF) with rich redox active sites, realizing a high practical capacity is repor...

Stability is crucial for the practical applications of organic photodetectors (OPDs). In this work, it is reported that near‐infrared (NIR) OPDs without device encapsulation can exhibit excellent stability at ambient conditions. The unencapsulated OPDs exhibit a T90 lifetime, which is defined as the time required for responsivity to decay to 90% of...

Teaching resources in higher education are an important part of the talent cultivation system of higher education institutions. Dynamic management and optimal allocation of teaching resources are the focus of the construction of each school, which reflects the teaching, research, and management level of the school to a certain extent. In this paper...

Film formation from solvent evaporation in polymer ternary solutions is relevant for several technological applications, such as the fabrication of organic solar cells. The performance of the final device will strongly depend on the internal morphology of the obtained film, which, in turn, is affected by the processing conditions. We are interested...

The fabrication process of triple-cation-halide organic inorganic perovskites in different annealing atmospheres change the amount of PbI 2 on the surface, which impacts the optoelectronic properties of the absorbers and of the solar cell devices.

Стратегічні переваги для виробників органічної продукції включають ринкові, екологічні, економічні та інноваційні аспекти, що підвищують їх конкурентоспроможність на внутрішньому і зовнішніх ринках. З початком широкомасштабного вторгнення аграрії зіштовхнулися з відсутністю можливості вести сільськогосподарську діяльність через окупацію, мінування...

Natural squander may be a word that alludes to any biodegradable substance that comes from plants, creatures, or people. Green squander, nourishment squander, food-soiled rubbish, perilous and non-hazardous squander, arranging, and trimming squander are all illustrations of natural squander. Clean natural squander may be utilized as animal bolster...

The Appreciative Paradigm, like any paradigm in the social sciences, has an explicit or implicit vision of what the Natural and Cosmic World is, which we call the Appreciative Ontology of the Natural and Cosmic World. But what is this vision that the Appreciative Ontology of the Appreciative Paradigm has of the Natural and Cosmic World? Is there an...

Manipulating domain structure in ferroelectrics by external stimuli presents a fascinating avenue for new‐generation electronic devices. However, multichannel controlling of ferroelectric domains is still a challenge, due to the lack of knowledge on their bistability to diverse physical stimuli. Herein, we have customized a series of perovskite fer...

The Appreciative Paradigm, like every paradigm in the social sciences, has an explicit or implicit vision of what the Social World (Social Systems/Organizations) is, which we call the Appreciative Ontology of the Social World (Social Systems/Organizations). But what is that vision that the Appreciative Ontology of the Appreciative Paradigm has of t...

The Appreciative Paradigm, like any paradigm in the social sciences, has an explicit or implicit view of what we call the Appreciative Ontology of the Human Being. But what is this vision that the Appreciative Ontology of the Appreciative Paradigm has of the human being? Is there any publication where we can find the answer to this question? Based...

The electrical characteristics of organic transistors are generally suffered from the effects of interfacial resistance (Ri) between source/drain electrodes and organic semiconducting layer, which leads to a nonlinear increase of current at low drain voltage region. In this paper, the Ri value is first estimated by transfer line method from the dev...

Titan has a climate system with similarities to Earth, including the presence of a thick atmosphere made up of several atmospheric layers. As on Earth, Titan's climate is influenced by several factors: the gaseous species making up the atmosphere, the energy deposited on the satellite, and solid organic aerosols. Indeed, numerous observations have...

To elucidate how ecological principles arise as natural consequences of complex systems evolution, rather than appearing as random or unexpected occurrences [4]. These postulates could provide a theoretical basis for understanding how ecological principles like sustainability, ecosystem equilibrium, and biodiversity emerge from more fundamental phy...

Spiders play a crucial role in agroecosystems. Therefore, between 2020 and 2022, we studied spider communities in organic and conventional crop systems. A total of 303 individuals from 29 species and six taxa identified at the genus level were recorded in the studied crops. In organic farming, we observed 209 individuals and 30 taxa, while in conve...

Donor–acceptor (D–A) molecules are key motifs in electron transfer processes. Recently, significant progress has been made in the development of organic synthetic reactions that utilize D–A molecules as photoredox catalysts. In these electron-transfer reactions, preventing undesired back-electron transfer and achieving efficient conversion is essen...

Ag/ZnO heterojunction shows excellent performance in catalytic degradation, holding significant promise for applications in treating organic pollutants and water treatment. The complicated synthesis process has caused technical challenges, necessitating the development of a reliable, efficient, safe, and eco-friendly method. This study addresses th...

Wood is, and always has been, one of the most common and versatile materials for creating structures and art. It is therefore also a ubiquitous element of the archaeological record. This discussion of the study of archaeological wood introduces a number of approaches to the analysis of these organic remains, including a brief overview of wood scien...

Gel electrolyte-gated organic electrochemical transistors (OECTs) are promising bioelectronic devices known for their high transconductance, low operating voltage, and integration with biological systems. Despite extensive research on the performance of OECTs, a precise model defining the dependence of OECT performance on gel electrolytes is still...

In this paper, purple cabbage was used as raw material for ultrasonic-assisted extraction of anthocyanin with deep eutectic solvent. The effects of extraction solvent type, solid–liquid ratio, moisture, extraction temperature, and time on the yield of anthocyanin from purple cabbage were investigated by single factor test, and the feasibility of th...

Advancements in organic synthesis are revolutionizing the synthesis of complex natural products, which are essential in biomedical research and drug discovery due to their intricate structures. Natural products such as...

Superradiance, first proposed by Dicke in 1954, is a highly efficient quantum light source that differs from conventional spontaneous emission. Unlike typical spontaneous emission, where intensity scales linearly with the number of electric dipoles, superradiance exhibits an intensity that scales quadratically with the number of electric dipoles. S...

This protocol presents a prefractionation method for cyanobacterial organic extracts by solid-phase extraction, using a isopropanol-water step gradient and HP20SS as stationary phase. Extract prefractionation allows for improved results in bioassays and metabolomic analyses.

We theoretically demonstrate that strong non Fermi-liquid magnetic oscillations of electron–electron scattering time can exist in quasi-one-dimensional conductors under condition of the magnetic breakdown between two open electron orbits. They are shown to be due to electron–electron interactions in a metallic phase under condition of the magnetic...

Photocatalysis provides a sustainable and environment-friendly strategy to produce H2O2, yet the catalytic efficiency of H2O2 overall photosynthesis (O2 + 2H2O → 2H2O2) needs to be further improved, especially in the absence of additional cocatalysts, photosensitizers and sacrificial agents. Here we find that hydrogen-bonded organic frameworks can...

Electrochemically driven carbon–carbon formation is receiving considerable interest in organic synthesis. In this study, we present an electrochemically driven method for the formation of C(sp³)–C(sp³) bonds using readily available allylic carbonates, as well as primary, secondary, and tertiary alkyl bromides as electrophiles. This approach offers...

The ability to generate 3D multiphase microstructures on-demand with targeted attributes can greatly accelerate the design of advanced materials. Here, we present a conditional latent diffusion model (LDM) framework that rapidly synthesizes high-fidelity 3D multiphase microstructures tailored to user specifications. Using this approach, we generate...

This study investigated how teaching search engine optimization (SEO) influences students' algorithmic awareness, but also help them distinguish between organic and paid (SEA) results. Pre-course and post-course surveys were conducted with 150 students, and focus group discussions were conducted with five students from three disciplines: business,...

Host plant use in Lepidoptera has been a primary focus in studies of ecological specialization, and multiple factors are likely to be involved in shaping the evolution of diet breadth. Here, we first describe the Salient Aroma Hypothesis, suggesting that the availability of chemical information, particularly host-associated aromas, plays a critical...

Cyclic boronates are versatile synthons for organic synthesis and for introducing ring systems into bioactive molecules. Existing synthetic methods have narrow substrate scope and the synthesis of α-substituted cyclic boronates is still elusive. Furthermore, no general method for synthesizing cyclic boronates with different ring sizes and hetero at...

In article number 2414080 by Ziyi Ge, Daobin Yang, and co-workers report that the O-shaped dimeric acceptor, 5-IDT, as a guest component can boost the efficiency of organic solar cells to nearly 20%. Moreover, the root reason for the significantly improved thermal stability of the device is clearly revealed.

Celebrating the 100th Anniversary of Sun Yat-Sen University (SYSU), this themed collection features 29 recent cutting-edge articles and reviews in organic synthesis, coordination complexes, energy catalysis, functional materials, and biochemistry by SYSU scholars, alumni, and collaborators.

Ln³⁺‐induced ligand up‐conversion luminescence (UCL) in coordination polymers (CPs) effectively overcomes the inherent limitations of conventional organic UCL mechanisms. However, current research on UCL in Ln‐CPs has predominantly focused on the UCL of Ln³⁺ ions themselves, while investigations into Ln³⁺‐induced ligand UCL is overlooked in Ln‐CPs....

3‐Methylene‐substituted oxindoles play crucial roles as pharmaceutically important reagents as well as valuable synthons in medicinal and organic synthesis. In this study, a uniform nucleophilic vinylic substitution (SNV) reaction for the construction of phosphonyl and sulfonyl substituted 3‐methylene‐oxindole was developed with the application of...

The doublet emission from organic open-shell monoradicals is spin-allowed, enabling 100% internal quantum efficiency when electroexcitation occurs in organic light-emitting diodes. Research works on luminescent organic radicals have shown significant potential for high-efficiency electroluminescence, achieving device efficiencies comparable to thos...

The organic crystal 4-dimethylamino-N-methyl-4-stilbazolium tosylate (DAST) is an excellent material for terahertz (THz) photonics owing to its high second-order nonlinearity and favorable phase-matching properties. The inherent absorption centers substantially limit the generation at some frequencies, leaving several tuning gaps, especially in the...

Organic electrochemical transistors (OECTs) hold potential for in‐sensor computing and wearable healthcare systems. Nevertheless, their inherent limitations in stretchability and conformability hinder their scalability and practical deployment. In a recent study, Liu et al. introduce a wearable in‐sensor computing platform that leverages stretchabl...

Electrochemical ion‐solvent cointercalation reactions are an avenue to reach improved kinetics compared to the corresponding intercalation of desolvated ions. Here, we demonstrate the impact of different structural pillar molecules on the electrochemical Li⁺ intercalation mechanism in expanded hydrogen titanate (HTO) electrode materials. We show th...

This article presents a reproducible and affordable methodology for fabricating organic nanowires (ONWs) and nanotrees (ONTs) light-enhanced conductometric O2 sensors. The protocol is based on a solventless procedure for the...