Lin Xu

Northeast Normal University · Department of Chemistry

In quantum dot sensitized solar cells (QDSSCs), the photoanode creates a stable support and connection for quantum dots to give full play to their sensitization and promote the generation of...

Photocatalytic ammonia synthesis technology is one of the important methods to achieve green ammonia synthesis. Herein, two samples of Cu ion‐doped W18O49 with different morphologies, ultra‐thin nanowires (Cu‐W18O49‐x UTNW) and sea urchin‐like microspheres (Cu‐W18O49‐x SUMS), are synthesized by a simple solvothermal method. Subsequently, Cu2O‐W18O4...

The photocatalytic nitrogen fixation process is a crucial step toward carbon neutrality and sustainable development. The combination of polyoxometalates and metal-organic frameworks is a viable method to achieve high-efficiency photocatalytic nitrogen fixation. In this work, we employed bimetallic ZIF (BMZIF) composed of Co2+ and Zn2+ encapsulated...

Photocatalytic nitrogen fixation has attracted much attention due to the fact that it is a way of using solar energy to achieve clean and sustainable conversion of nitrogen to ammonia under mild conditions. In this paper, different proportions of Zn-doped Co3O4 nanopolyhedrons were synthesized using bimetallic ZIFs containing Co2+ and Zn2+ as precu...

To find a novel counter electrode (CE) material for quantum dot-sensitized solar cells (QDSSCs), pompon-like NiCo2O4 nanospheres are synthesized by a facile solvothermal and post-calcination method and we attempt to apply it as a CE material for QDSSC. The catalytic performance of NiCo2O4 counter electrode is investigated in detail through electroc...

Counter electrode (CE) plays a crucial role in collecting external circuit electrons and catalyzing electrolyte reduction in quantum dot sensitized solar cells (QDSSCs). Hence, inquiry into alternative CE materials with low cost and high catalytic activity will have a profound impact on realizing the commercialization of QDSSCs. Herein, we reported...

Researchers pursuing the development of third-generation solar cells, which typically include quantum dot-sensitized solar cells (QDSSCs), dye-sensitized solar cells (DSSCs), perovskite solar cells (PSCs), and organic solar cells (OSCs), continue to prioritize low cost, simple preparation, high efficiency, and stability. Polyoxometalates (POMs) are...

A new organic-inorganic hybrid, formulated as the H2[Cu(en)2]2[(PIIIO3)2Mo5O15]·4H2O (denoted as CuenP2Mo5) (en=ethylenediamine), was isolated via in situ self-assembly reaction of H3PO3, (NH4)6Mo7O24.4H2O, en, and CuCl2·2H2O in the aqueous solution. Structural analysis reveals that CuenP2Mo5 display a three-dimensional (3D) porous framework assemb...

The challenge of boosting the efficiency of QDSSCs lies in the rational development and design of economical, stable and efficient counter electrode (CE) catalysts for fast and efficient electron transport at the CE/electrolyte interface. Here, we creatively construct Co9S8/Cu7S4 heterostructure composite CEs using CuCo-Prussian blue analogs (PBA)...

Ammonia gas has important application value in many fields. However, a large amount of energy is consumed to prepare ammonia by the Haber-Bosch process. A cleaner catalytic way to prepare ammonia has become a common goal of human beings. In this paper, Z-scheme heterojunction MoO3-x/Fe-W18O49 was prepared by two-step solvothermal method. The prepar...

Both polyoxometalates (POMs) and metalloporphyrins exhibit high Arial. 9 efficiency. In this work, we designed two new composite catalysts with [5,10,15,20-tetra-(4-carboxylphenyl)-porphyrinato]-ferric chloride (FeTCPP) and H3PW12O40 (PW12)/H3PMo12O40 (PMo12), forming FeTCPP-PW12 and FeTCPP-PMo12 composite catalysts. The diameter of the catalyst pa...

In this work, we successfully prepared composites of carbon-modified in-phase MoC-Mo2C (MoC-Mo2C@C, MMC) nanosheets with Cd0.5Zn0.5S (ZCS) nanorods. The loading of MMC nanosheets significantly improved the hydrogen production rate of ZCS nanorods. The results showed that the photocatalytic hydrogen production rate of ZCS is the highest when MMC nan...

Despite organic–inorganic metal halide perovskite (OMHP) materials have received continuous attention owing to their excellent photoelectric properties, the instability towards water seriously impedes the development of these materials in aqueous reaction. We here constructed a fully printed OMHP photocathode, choose commercial carbon paste and met...

Inorganic solid material Ce2S3 of narrow band gap semiconductor enables an ideal visible light photocatalyst, but its disadvantages of both the photocorrosion and the faster electron-hole recombination substantially restrict its photocatalytic performance. In this work, we prepared a ternary nanocomposite Ce2S3/PMo3W9/PPy (PPy = polypyrrole), in wh...

In recent years, low-cost spinel sulfides as counter electrode materials for quantum dot sensitized solar cells (QDSSCs) have gradually become a research hotspot in this field. In this study, CuCo2S4/reduced graphene oxide (RGO) composite is successfully prepared via a simple and low-cost solvothermal method, which was used as counter electrode (CE...

With the emergence of issues such as global warming and glaciers melting, reducing carbon emissions cannot be ignored. Ammonia can participate in the N element cycle in nature and has a huge market demand. In modern industry, the preparation of ammonia mainly relies on the Haber-Bosch process with huge energy consumption. Using clean photocatalytic...

Owing to it being low-cost and eco-friendly and having multiple oxidation states, the ternary transition metal oxide CuCo2O4 has been used as an electrode material with superior electrocatalytic activity in numerous fields. However, its application in quantum dot-sensitized solar cells (QDSSCs) has not been investigated. Herein, we synthesized poro...

Photocatalytic hydrogen production is one of the strategies to meet energy demand. Catalysts and cocatalysts used to produce H2 are usually made of precious metals, which limits its further development....

Polyoxometalate-based organic-inorganic hybrids have attracted considerable attention due to their fascinating structures and wide application prospects. In this work, using the same building blocks, ligands and metal ions (ZnW12O406-(ZnW12), 2,2'-bipyridine (2,2'-bipy), and Cu2+), we synthesized three new POM-based hybrids by controlling the pH va...

Interfacial layer materials play an important role in performance enhancement of organic solar cells (OSCs). However, the lack of anode interlayer material has significantly impeded the advancement in practical use of OSCs. Herein, we explore the utilization of mixed-metal-Dawson-type Polyoxometalates, namely P2Mo3W15O62 (POM-1) and P2Mo9W9O62 (POM...

A POM-based one-dimensional (1D) chain compound, {BW12O40[Cu(2,2'-bipy)2]2[Cu(2,2'-bipy)(H2O)]}{BW12O40[Cu(2,2'-bipy)2][Cu(2,2'-bipy)(H2O)2]}·7H2O, has been synthesized and structurally characterized, which represents an unprecedented 1D double chain structure with opposite charges. In contrast to common POMs, this compound exhibits a relatively hi...

A low cost H3PW12O40 (PW12)/CoS2 complex is prepared and used as a counter electrode (CE) to combine with sandwich quantum dot sensitized solar cells (QDSSCs) composed of a TiO2/CdS/CdSe/ZnS photoanode and polysulfide electrolyte to study their photovoltaic properties via a simple hydrothermal method. Under standard simulated sunlight, the photoele...

Two new organic–inorganic hybrids, (TeaH)2[Cu(Tea)(H2O)2]2[Cu(Tea)]2[HN(CH2CH2O)3VMo6O22]2·12H2O (1), (NH4)5[Na(H2O)2][Cu(Tea)]2[HN(CH2CH2O)3VMo6O22]2·13H2O (2) [Tea = triethanolamine], has been synthesized and structurally characterized. A hybrid subunit [HN(CH2CH2O)3VMo6O22]⁵⁻ was synthesized in aqueous solution, in which Tea ligand is linked cov...

Global warming has caused us to seek a sensible strategy to replace the energy consumption of the Haber-Bosch approach in manufacturing ammonia. NH3 is utilized in agriculture to produce fertilizer to gratify the rapid increase of human food demand. Herein, we report the construction of a heterojunction that adopted g-C3N5 and Fe3+-doped W18O49 (Fe...

Polyoxometalates containing titanium (Ti-POMs) related to semiconductor TiO2 have potential applications in photocatalysis, photovoltaics and semiconducting materials. In this paper, we synthesized a Ti-POM, Na2H10[Co4(H2O)2(TiW9O34)2]·48H2O (1), by one-pot self-assembly reaction. In its crystal architecture, sodium ions connect multiple monomer un...

Quantum dot-sensitized solar cells (QDSSCs), which are cost-effective, facilely prepared and environmentally friendly, are regarded as a promising third-generation photovoltaic technology, although the conversion efficiency of QDSSCs is still far lower than the theoretical efficiency (44%). Furthermore, the traditional Cu2S/brass counter electrode...

Ammonia is a momentous chemical raw in modern life, but the application of green and environment-friendly way to manufacture ammonia is remained an enormous dilemma that requests to be conquer at this stage. In this article, we employed H3PW12O40 (PW12) encapsulated ZIF-67 as the precursor and calcinated at high temperature in N2 atmosphere to synt...

Black N doped TiO2-x nanoparticles loaded on the carbon framework (N–TiO2-x/C, NTC) were successfully fabricated by sol-gel method. In this work, the synthesized NTC material was combined with Cd0.5Zn0.5S (ZCS) short nanorods, forming a direct Z-scheme NTC/ZCS photocatalyst without using of electron mediator. The free radicals trapping experiment w...

Efficient solar-powered water oxidation over the BiVO4-based anodes requires coupling photoactive semiconductors to improve the inferior activity and stability. Herein, we examine how functionalization with coated tungsten trioxide WO3 affects the photoelectrocatalytic performance of doctor-blading TaON-BiVO4 photoanodes. The effects of the forming...

Promoting electron-hole separation and migration is one of the important factors affecting the rate of photocatalytic hydrogen production. Herein, we firstly prepared the NixCo1-xP modified ZnIn2S4 (ZIS) nanoflowers by low-temperature...

The problem of energy crisis promotes the development and utilization of materials related to the application of solar energy. The employ solar energy for clean photocatalytic nitrogen fixation is an...

A serial of CdS/POM (POM denotes polyoxometalate: P2MoxW18-x, x = 3, 9, 15) nanospheres were fabricated through electrostatic self-assembly method. For the first time, the semiconductor properties of the three polyoxometalates were investigated to direct the rational design of the type-II heterojunction photocatalysts. The morphology and semiconduc...

Polyoxometalates (POMs) as molecule-based metal oxides have exhibited significant application in catalysis and materials science, but the synthesis of pristine POM nanomaterials still remains a challenge. In this work, we find a novel strategy of concentration-induced self-assembly for gaining pristine POM nanorods AgxH3−xPMo12O40 (denoted as AgHPM...

Two new molybdovanadate compounds, Na[NH4]2[Na(C4H9NO)]2[VMo7O26] (1), [C4H9NO]5[VMo7O26]·2H2O (2) have been successfully isolated by conventional self-assembly reactions. Compound 1 adopts a three-dimensional (3D) structure, in which the [VMo7O26]⁵⁻ clusters are bridged by Na⁺ ions and {Na(C4H9NO)} units. In compound 2, the [VMo7O26]⁵⁻ anions, pro...

Recently, TaON has become a promising photoelectrode material in the photocatalytic field owing to its suitable band gap and superior charge carrier transfer ability. In this work, we prepared a TaON/CdS photocatalytic film using a CdS nanoparticle-modified TaON film by the successive ionic layer adsorption and reaction (SILAR) method. For the firs...

Anderson-type hexamolybdochromates [CoШ(bpy)3][CrMo6(OH)5 (OCH3)O18]·12H2O (1) and [CoШ(bpy)3][CrMo6(OH)6O18]·15H2O (2) were synthesized and characterized by elemental analysis, IR spectroscopy, thermal gravimetric analysis, and single-crystal X-ray diffraction. Compound 1 shows the first example that the B-type Anderson polyanion is functionalized...

A new metalloporphyrin framework of molybdenum Mo2O4(C48H28N4O8)·(CH3)2NH·5H2O·2DMF (Mo2TCPP) was synthesized from tetrakis(4-carboxyphenyl)porphyrin (H4TCPP) and sodium molybdate dihydrate by hydrothermal method. Mo2TCPP is a 3D network with two sub-units, in which both TCPP ligands and each Mo2 dimer act as four connection nodes. The crystal stru...

Organic metal halide perovskite (OMHP) material exhibits promising applications in photoelectrocatalytic area, but its efficiencies are unsatisfied due to the bulk and surface carrier recombination. In this work, we used dual polyoxometalates (C4H9N)3PW12O40 and [Ag10[{Co(H2O)3}2{CoBi2W19O66(OH)4}] to modify the OMHP photoanode; the former acted to...

A new molybdovanadate [NH4]6[Na(H2O)][V3Mo8O36H2]·16H2O (1) was isolated by a one-pot self-assembly synthesis strategy, which presented a three-dimensional (3D) porous framework based on the novel molybdovanadate [V3Mo8O36H2]⁷⁻ building blocks bridged by Na⁺ cations. The modified electrode is prepared by utilizing compound 1 as electrode active mat...

In this work, a novel direct Z-scheme g-C3N5/Zn0.5Cd0.5S (CN/ZCS) heterojunction was successfully synthesized. Furthermore, its photocatalytic activity for hydrogen production was also investigated, whose photoluminescence spectrum revealed the charge transfer procedure of g-C3N5 and ZCS. Moreover, the optimized hydrogen production rate of ZCS with...

This paper reports the first preparation of Co3O4 nanorods by simple hydrothermal and annealing methods, which are doped with polyoxometalates that act as an electronic transmission intermediary to accelerate electron transport.The designed H3PW12O40(PW12)/Co3O4-Cu2S composite film was prepared by screen printing method to boost the efficiency as t...

A new organic-inorganic hybrid, H2[H2N(CH3)2]2[Cu(pic)2][SiMo12O40]·4H2O (1) [Hpic = 2-picolinic acid] was synthesized and structurally characterized, in which the Keggin-type [SiMo12O40]⁴⁻ clusters arrange alternately with {Cu(pic)2} units to constitute a two-dimensional (2D) framework. The Copper(II) center located in {Cu(pic)2} groups are four-c...

Full utilization of the incident light is an effective strategy to enhance photovoltaic performance of perovskite solar cells (PSCs). Here, we used lanthanide-containing polyoxometalate Na9[EuW10O36] (EuW10) as a luminescent down-conversion material incorporated in mesoporous TiO2 layer for boosting the power conversion efficiency (PCE) of the prin...

Modification of semiconductor materials by polyoxometalates (POMs) is a promising strategy for increasing their photoelectrocatalytic (PEC) activity. In this work, we synthesized POM-modified CdS composite nanocrystals based on three kinds of Keggin-type mixed-addendum Mo/W POMs (Ag3PMo3W9O40, Ag3PMo6W6O40, and Ag3PMo9W3O40). This is the first repo...

The previous studies exhibit that the auxiliary catalyst has a significant role in improving the activity and reliability of semiconductor photocatalysis for photocatalytic H2 production. But designing an efficient and low-cost auxiliary catalyst to replace expensive noble metals is a great challenge as before. In our study, we synthesized non-nobl...

In this work, a series of samples of Cd0.5Zn0.5S (ZCS) nanoparticles decorated with porous TaON were successfully prepared as a direct Z-scheme system. The photocatalytic evolution of H2 with a high efficiency was explored using NiS decorated with TaON sensitized ZCS nanocomposites (NiS-TaON/ZCS) and Na2SO3/Na2S as sacrificial reagents. The results...

For boosting the power conversion efficiency (PCE) of quantum dot sensitized solar cells (QDSSCs), metal oxide (CoO) has been prepared via a facile mean and applied for CE materials in CdS/CdSe/ZnS QDSSCs. The electrochemical properties of the CoO counter electrode (CE) and photovoltaic performances of QDSSCs are investigated in detail. Under analo...

The well-organized TiO2 nanorod arrays (TNRs) have increasingly attracted our attention in recent years due to their excellent photocatalytic properties. However, it is of great importance to prepare more efficient photocatalysts using a facile method for the more applications. In this work, K6SiW11O39Co(II)(H2O) (SiW11Co) and Ag nanoparticles are...

Recent researches demonstrated that heteropoly blues (reduced polyoxometalates) could act as a special kind of solid materials with potential function in antiviral activity, photocatalytic, photothermal and semiconducting properties. In this work, we develop a "directed precursor self-assembly" strategy for facile synthesis of heteropoly blues (HPB...

A new 1D coordination polymer [NH4]4[Hmorph]6[Cu(H2O)2][Mo36O114(H2O)14]·28H2O (1) has been isolated by utilizing a one-pot self-assembly method and structurally characterized. Compound 1 exhibits the first example of 1D chain framework constructed from the [Mo36O114(H2O)14]¹²⁻ fragments linked alternately with [Cu(H2O)2]²⁺ units. Electrochemical e...

Two new molybdovanadate-based heterometallic complexes, (NH4)15[Na(H2O)3]2[Co(H2O)4]2[Cu8(OH)2(H2O)2(V9Mo30O130)]·30H2O (1), (NH4)15[Na(H2O)3]2[Mn(H2O)4]2[Cu8(OH)2(H2O)2(V9Mo30O130)]·36H2O (2) have been synthesized from the reaction of the {V10Mo30Cu8} precursor and transition-metal ions (Mn²⁺ and Co²⁺) in aqueous solution. Compounds 1 and 2 are is...

A new organic-inorganic hybrid complex, [Gd(DMF)3(H2O)]2[V2Mo6O26]·4DMF (1) (DMF = N, N-dimethylformamide), has been synthesized and structurally characterized by single-crystal X-ray diffraction, infrared spectroscopy, elemental analyses and thermogravimetric analyses. Compound 1 exhibits the sandwich-type framework based on the [V2Mo6O26]⁶⁻ anion...

A new Mo/V-arsenite-based heteropolyoxometalate, (NH 4 ) 6 [As 4 Mo 6 V 3 O 36 H 3 ]·5H 2 O (1)has been synthesized and structurally characterized. The novel {As 4 Mo 6 V 3 O 36 H 3 } building block consists of one Anderson-type {AsMo 6 O 27 } unit and one ring-like {As 3 V 3 O 15 } unit linked together via μ 3 -O 2– moieties, which is first observ...

Bismuth vanadate (BiVO 4 ) as an outstanding semiconductor material has been extensively used in visible-light-driven photocatalytic oxidation. However, the fast electron-hole recombination on the surface of BiVO 4 photoanode impairs its photoelectrochemical oxidation performance. In this work, we demonstrate, for the first time, that a cobalt-poly...

A new 3D organic-inorganic hybrid complex, H 2 K 2 [HN(CH 2 CH 2 OH) 3 ] 2 [Cu 2 (C 2 H 6 O 2 ) 4 Cl][Mo 8 O 26 ]·17H 2 O (1) has been synthesized and structurally characterized. In compound 1, the [β-Mo 8 O 26 ] ⁴⁻ units and 1D {Cu 2 (C 2 H 6 O 2 ) 4 Cl} n chains are joined together via K ⁺ ions, leading to the 3D porous framework. The magnetic me...

The function of Cu 2 S-H 4 SiW 12 O 40 /MoS 2 (Cu 2 S-SiW 12 /MoS 2 ) used as counter electrodes to reduce the polysulphide electrolyte in CdS quantum dot–sensitized solar cells (QDSSCs) was studied. The electrochemical impedance spectroscopy (EIS) and Tafel-polarization evaluate that Cu 2 S-SiW 12 /MoS 2 counter electrodes have good electrocatalyt...

Organic metal halide perovskite material has attracted intense interest in photovoltaic field due to its excellent optoelectronic properties, but the extreme susceptibility of organolead halide perovskite to water seriously impedes its application for photoelectrochemical (PEC) conversions in aqueous solution. In this work, we develop an organolead...

Exploiting high performance and noble-metal-free catalysts is of great interest in photocatalytic water splitting. In this study, Co3N nanoparticles were successfully decorated on Cd0.5Zn0.5S as highly efficient co-catalysts via a facile method. The Co3N(2 wt%)/Cd0.5Zn0.5S composite sample showed the highest photocatalytic H2 evolution activity. A...

A novel PW12/Bi2WO6 composite photocatalyst has been successfully prepared by a facile and effective approach, where PW12 denotes the Keggin-type polyoxometalate H3PW12O40, and the as-prepared photocatalyst were characterized by infrared spectra (IR), X-ray diffraction patterns (XRD), scanning electron microscopy (SEM), and photoelectrochemical mea...

A layered titanium(IV)-peroxo-pyridine dicarboxylic cluster K9[Ti3O4(O2)3(C7H3O4N)3(OH2)2]Cl·4H2O 1 has been synthesized by the H2O2-assisted reaction between TiCl4 and dipicolinic acid ligands. The semiconducting propertie of this solid state compound was revealed...

In this study, H3PW12O40 (PW12) and binuclear phthalocyanine(bi-CoPC) modified nanofilms PW12-BiVO4-bi-CoPC were prepared by a modified metal-organic decomposition method. The photocatalytic performance of BiVO4 and PW12-BiVO4-bi-CoPC have been investigated by photocatalytic degradation of nitrogen dioxide under visible light irradiation. The addit...

The Cover Feature depicts a dual modification of a BiVO4 photoanode, with polyoxometalate (PW12) acting as the electron shuttle (electron capture and transfer) and nickel (II) phthalocyanine (NiTsPc) acting as the hole extractor (accelerating hole transport) for improving photoelectrochemical water oxidation.More information can be found in the Art...

Cu2ZnSnS4 (CZTS) has been a hopeful semiconductor material for thin film solar cells due to its earth-abundant and non-toxic elements. However, the photovoltaic performance of CZTS thin film is still inferior by reason of the high recombination rate of photogenerated carriers. Polyoxometalates (POMs), as an electron acceptor, can efficiently captur...

An electron transport layer (ETL) is essential for charge separation and electron extraction in perovskite solar cells (PSCs). In this work, we develop an efficient electron transport layer material SnO2-PMo12 composite for the fully printable hole transport material (HTM)-free PSCs, in which PMo12 denotes the Keggin-type polyoxometalate H3PMo12O40...

Two new single ion sandwich-type polyoxometalate compounds built on Strandberg-type anions and divalent transition metal cations, (NH4)10[Cu(H2O)4(P2Mo5O23)2]·6H2O (1) and (NH4)10[Mn(H2O)4(P2Mo5O23)2]·6H2O (2) were synthesized and structurally characterized by single crystal X-ray crystallography. To the best of our knowledge, these compounds repre...

Owing to the superior properties of non-toxic, low-cost, high stability and excellent photoelectrochemical performance, BiVO4 has become a popular n-type semiconducting material. In this work, we prepared the photoanode of BiVO4 nanocomposite loaded with polyoxometalates (POM) as well as fabricated the relevant photoelectrochemical gas sensing devi...

Herein, a sandwich-type tungstoantimonate [Na(H2O)2]3[C3H5N2]2[SbW9O33]2[FeII(C3H4N2)]3·4H2O (1) has been synthesized using iron powder as a starting material under conventional reaction conditions. The structure of 1 was determined by single-crystal X-ray diffraction and further characterized by IR spectrum, UV-vis spectra, and diffuse reflectance...

TiO2 nanoparticles are commonly used as versatile precursors to make functional nanocomposite materials. However, the surface defects at grain boundaries of TiO2 nanoparticles significantly affect the photoelectric properties of TiO2 nanomaterials. In this work, we firstly prepared nanocomposites of TiO2 and polyoxometalates (POMs) in which differe...

A new inorganic-organic hybrid based on both the new molybdovanadate species and the isoniazid dimer, H4K2Na2(H2O)4(C12H12N4O2)(VMo7O26)2·10H2O (1), was synthesized and structurally characterized by single crystal X-ray crystallography, spectroscopic and thermogravimetric analyses. To our knowledge, compound 1 is the first example of inorganic-orga...

New series of mononuclear lanthanide single molecule magnets based on sandwich-type germanomolybdates [Ln(GeMo11O39)2]13-(Ln = ErIII (1), GdIII (2), DyIII (3) or TbIII (4)) have been successfully synthesized. Compounds 1–4 are the first examples of the coordination assembly of monolacunary germanomolybdates and heavy rare earth element, which were...

Although the electron-transport materials (ETMs) used in the solar cells are generally metal oxides such as TiO2, ZnO and SnO2, polyoxometalates (POMs) with similar energy band to metal oxides, rich structures, high thermal stability and low-cost, may become promising candidates for new-type ETMs. In this work, we investigate the electron-transport...

At present the photoelectrochemical (PEC) water splitting achieves a very high efficiency, but the development of the efficient and inexpensive photoanode materials is still desired for practical application. Herein, we fabricate a composite photoanode consisting of TiO2 nanotube arrays modified with polyoxometalate (POM) and Co9S8, in which POM ai...

In this work, we prepared for the first time the TiO2 nanotube arrays (TNAs) photoanode with polyoxometalate(POMs)-modified TiO2 electron-transport layer for improving the performance of zinc phthalocyanine(ZnPc)-sensitized solar cells. The as-prepared POMs/TNAs/ZnPc composite photoanode exhibited higher photovoltaic performances than the TNAs/ZnPc...

MoS2-graphene (M-G) hybrid was prepared by a hydrothermal method and used as counter electrode materials in CdS quantum dot-densitized solar cells (QDSSCs). Under simulated solar light irradiation, the cell with M-G counter electrode has higher efficiency than that of Pt and bare MoS2 counter electrode owing to the synergistic effects between MoS2...

A large-grained perovskite film, with a crystal grain size of ca. 30-50 μm, was achieved by polyoxometalate-induced Ostwald ripening. Aiming at commercially-oriented fully printable hole-conductor-free perovskite solar cells, the power conversion efficiency of the device was significantly improved from 9.17% to 11.35% (average) via polyoxometalate...