A5100374470- Perovskite Materials and Applications
- Quantum Dots Synthesis And Properties
- Chalcogenide Semiconductor Thin Films
- Conducting polymers and applications
- Advancements in Battery Materials
- Supercapacitor Materials and Fabrication
- Advanced Battery Materials and Technologies
- Organic Light-Emitting Diodes Research
- Solid-state spectroscopy and crystallography
- Organic Electronics and Photovoltaics
- 2D Materials and Applications
- Polymer Foaming and Composites
- Advanced battery technologies research
- Semiconductor materials and devices
- ZnO doping and properties
- Thin-Film Transistor Technologies
- Transition Metal Oxide Nanomaterials
- Advanced Photocatalysis Techniques
- Advancements in Semiconductor Devices and Circuit Design
- Carbon dioxide utilization in catalysis
- TiO2 Photocatalysis and Solar Cells
- biodegradable polymer synthesis and properties
- Semiconductor materials and interfaces
- Plasma Diagnostics and Applications
- Magnetic and transport properties of perovskites and related materials
City University of Hong Kong
2022-2025
Xi'an University of Architecture and Technology
2023-2025
Chinese Academy of Sciences
2020-2024
Institute of Microelectronics
2020-2024
Shandong University
2014-2023
State Key Laboratory of Crystal Materials
2015-2023
East China Normal University
2019-2023
North China Institute of Science and Technology
2023
Jilin Jianzhu University
2022-2023
Chengdu University
2023
Owing to inevitable thermal/moisture instability for organic-inorganic hybrid perovskites, pure inorganic perovskite cesium lead halides with both inherent stability and prominent photovoltaic performance have become research hotspots as a promising candidate commercial solar cells. However, it is still serious challenge synthesize desired cubic iodides (CsPbI3) superior its thermodynamically metastable characteristics. Herein, polymer poly-vinylpyrrolidone (PVP)-induced surface passivation...
Passivation strategies, including film formation, post-treatment and interlayer engineering, are summarized based on an overview of the variety defects in PSCs.
The synthesis and growth of perovskite films with controlled crystallinity microstructure for highly efficient stable solar cells is a critical issue. In this work, thiourea introduced into the CH 3 NH PbI precursor two‐step sequential ethyl acetate (EA) interfacial processing. This shown first time to grow compact microsized monolithically grained films. X‐ray diffraction patterns infrared spectroscopy are used prove that significantly impacts morphology by forming intermediate phase...
Tin (Sn)-based and mixed tin–lead (Sn–Pb) perovskites have attracted increased attention as promising candidates for new generation lead-free perovskite all-perovskite tandem solar cells. However, an inevitably critical issue, Sn(II) induced serious defects oxidation caused poor photovoltaic performance unsatisfactory stability Sn-based Sn–Pb perovskites. Herein, a comprehensive understanding on defect classification, formation, effect performance, passivation strategies is reviewed the...
Abstract Despite remarkable progress in hybrid perovskite solar cells (PSCs), the concern of toxic lead ions remains a major hurdle path towards PSC's commercialization; tin (Sn)‐based PSCs outperform reported Pb‐free perovskites terms photovoltaic performance. However, it is particularly great challenge to develop effective passivation strategies suppress Sn(II) induced defect densities and oxidation for attaining high‐performance all‐inorganic CsSnI 3 PSCs. Herein, facile yet thioamides...
Abstract Na-ion batteries have been considered promising candidates for stationary energy storage. However, their wide application is hindered by issues such as high cost and insufficient electrochemical performance, particularly cathode materials. Here, we report a solvent-free mechanochemical protocol the in-situ fabrication of sodium vanadium fluorophosphates. Benefiting from nano-crystallization features extra Na-storage sites achieved in synthesis process, as-prepared carbon-coated Na 3...
Among the emerging photovoltaic technologies, rigid perovskite solar cells (PSCs) have made tremendous development owing to their exceptional power conversion efficiency (PCE) of up 25.7%. However, record PCE flexible PSCs (≈22.4%) still lags far behind counterparts and mechanical stabilities are also not satisfactory. Herein, through modifying interface between hole transport layer via pentylammonium acetate (PenAAc) molecule a highly efficient stable inverted PSC is reported. Through...
An effective way has been developed to realize high-performance perovskite solar cells. The relationship between deep-level defects, carrier mobility, charge extraction efficiency and fill factor (FF) was investigated, the FF loss analyzed.
The interface and crystallinity of perovskite films play a decisive role in determining the device performance, which is significantly influenced by bottom hole-transporting material (HTM) inverted solar cells (PVSCs). Herein, simple design strategy polymer HTMs reported, can modulate wettability promote anchoring introducing pyridine units into polyarylamine backbone, so as to realize efficient stable PVSCs. HTM properties be effectively modified varying linkage sites units, 3,5-linked...
Abstract Inverted (p‐i‐n) perovskite solar cells have drawn great attention due to their outstanding stability and low‐temperature processibility. However, power conversion efficiency (PCE) still lags behind conventional (n‐i‐p) devices mainly the lack of strategies stabilize α ‐FAPbI 3 without changing bandgap. In this work, a facile effective strategy is reported regulate residual strain via pseudo halide‐based ionic liquids incorporation in inverted (PVSCs). The employment methylamine...
Abstract The commercialization of perovskite solar cells (PVSCs) urgently requires the development green‐solvent processable dopant‐free hole transporting materials (HTMs). However, strong intermolecular interactions that ensure high mobility always compromise solubility and film‐forming ability in green solvents. Herein, we show a simple but effective design strategy to solve this trade‐off, is, constructing star‐shaped D‐A‐D structure. resulting HTMs (BTP1‐2) can be processed by solvent...
Inverted p-i-n perovskite solar cells (PSCs) are easy to process but need improved interface characteristics with reduced energy loss prevent efficiency drops when increasing the active photovoltaic area. Here, we report a series of poly ferrocenyl molecules that can modulate surface enabling construction small- and large-area PSCs. We found perovskite–ferrocenyl interaction forms hybrid complex enhanced coordination strength activated electronic states, leading lower interfacial...
Crystallization orientation plays a crucial role in determining the performance and stability of perovskite solar cells (PVSCs), whereas effective strategies for realizing oriented crystallization is still lacking. Herein, facile efficient top-down strategy reported to manipulate via treating wet film with propylamine chloride (PACl) before annealing. The PA
Abstract Low-dimensional/three-dimensional perovskite heterojunctions have shown great potential for improving the performance of photovoltaics, but large organic cations in low-dimensional perovskites hinder charge transport and cause carrier mobility anisotropy at heterojunction interface. Here, we report a low-dimensional/three-dimensional that introduces strong aromatic conjugated p-i-n devices to reduce electron resistance crossing perovskite/electron extraction The π-conjugated network...
Abstract NiO x is one of the promising inorganic hole transporting materials in inverted perovskite solar cells (PSCs), however, its device efficiency and stability are still limited by energy level mismatch, low intrinsic conductivity, high interface defect density, complex active species. Herein, use an imide‐based donor–acceptor type semiconductor (BTF14) as interlayer between proposed, which facilitates extraction transfer, reduces density at film bulk, further concentration Ni >3+...
A compact monolithic CH<sub>3</sub>NH<sub>3</sub>PbI<sub>3</sub> (MAPbI<sub>3</sub>) film with micrometer-scale grains was prepared by CH<sub>3</sub>NH<sub>3</sub>Cl (MACl) coordination and a heat assisted process (HAP) towards high-efficiency solar cells.
Inorganic electron-selective layers (ESLs) are fabricated at extremely low temperatures of 70 °C or even 25 by a simple solution route. This is great significance because the attained PCEs confirm feasibility room-temperature coating inorganic amorphous ESLs through method for first time. As service to our authors and readers, this journal provides supporting information supplied authors. Such materials peer reviewed may be re-organized online delivery, but not copy-edited typeset. Technical...
Fe2O3/Co3O4 double-shelled hierarchical microcubes were synthesized based on annealing of Fe4[Fe(CN)6]3/Co(OH)2 microcubes, using Co(AC)2 as a Co2+ source to react with OH– generated from the reaction ammonium hydroxide and water. The robust Fe2O3 hollow microcube at inner layer not only displays good electronic conductivity but also acts stable supports for Co3O4 outside shell consisting nanosized particles. structured nanocomposites display obvious advantages anode materials LIBs....
Colloidal engineering by controlling the size of colloidal clusters in perovskite precursor was developed to induce monolayer CH<sub>3</sub>NH<sub>3</sub>PbI<sub>3</sub> films.
2-aminoethanethiol in perovskite films improves the intrinsic water-resistance, and can retain MAPbI<sub>3</sub>perovskite crystal structure when immersed water for a long time (>10 minutes).
Despite great progress in the photovoltaic conversion efficiency (PCE) of inorganic-organic hybrid perovskite solar cells (PSCs), large-scale application PSCs still faces serious challenges due to poor-stability and high-cost spiro-OMeTAD hole transport layer (HTL). It is fundamental importance rationally address issues extraction transfer arising from HTL-free PSCs. Herein, a brand-new PSC architecture designed by introducing multigraded-heterojunction (GHJ) inorganic CsPbBrx I3-x layers as...
A hard carbon material with free-standing porous structure and high contents of heteroatom functional groups is considered to be a potential anode for potassium-ion batteries (PIBs). Herein, phosphorus/nitrogen cofunctionalized monolith (denoted as PN-PCM) PIBs successfully fabricated via supercritical CO2 foaming technology, followed by amidoximation, phosphorylation, thermal treatment. Thanks the synergistic effect three-dimensional macroporous open P/N 6.19/5.74 at%, PN-PCM delivers an...