A5072101705- Quantum Dots Synthesis And Properties
- Perovskite Materials and Applications
- TiO2 Photocatalysis and Solar Cells
- Advanced Photocatalysis Techniques
- Chalcogenide Semiconductor Thin Films
- Conducting polymers and applications
- Copper-based nanomaterials and applications
- Photonic Crystals and Applications
- Gas Sensing Nanomaterials and Sensors
- Organic Electronics and Photovoltaics
- Solid-state spectroscopy and crystallography
- Silicon and Solar Cell Technologies
- Polyoxometalates: Synthesis and Applications
- Ga2O3 and related materials
- ZnO doping and properties
- solar cell performance optimization
- Transition Metal Oxide Nanomaterials
- Electronic and Structural Properties of Oxides
- Organic Light-Emitting Diodes Research
- Thin-Film Transistor Technologies
- Photonic and Optical Devices
- Force Microscopy Techniques and Applications
- Semiconductor materials and interfaces
- 2D Materials and Applications
- Polymer crystallization and properties
Songshan Lake Materials Laboratory
2018-2025
University of Chinese Academy of Sciences
2002-2025
Institute of Physics
2015-2025
Chinese Academy of Sciences
2015-2025
Jiangxi Provincial Institute of Water Sciences
2025
National Laboratory for Superconductivity
2010-2024
Czech Academy of Sciences, Institute of Physics
2010-2021
Physical Sciences (United States)
2021
Institute for Renewable Energy (Poland)
2018
Beijing National Laboratory for Molecular Sciences
2018
Efficient hole-conductor-free organic lead iodide thin film solar cells have been fabricated with a sequential deposition method, and highest efficiency of 10.49% has achieved. Meanwhile, the ideal current-voltage model for single heterojunction cell is applied to clarify junction property cell. The confirms that TiO2/CH3NH3PbI3/Au typical intrinsic parameters are comparable high-efficiency thin-film cells.
Nickel sulfides have been, for the first time, electrodeposited on transparent conductive glass by a facile periodic potential reversal (PR) technique to supersede Pt counter electrodes (CEs) of dye-sensitized solar cells (DSCs). The composition and electrochemical catalytic activity nickel sulfide films prepared PR are different from those ones deposited commonly used potentiostatic (PS) technique. produces single-component NiS, while co-deposition Ni NiS is found in opaque PS method. shows...
Vertically aligned carbon nanotubes (VACNTs) are grown directly on a free-standing graphene paper (GP). The desirable carrier transport ability of the VACNTs, good conductivity and mechanical properties GP, strong bonding between VACNTs GP endow hybrid structure with superior performance when utilized as electrodes lithium-ion batteries dye-sensitized solar cells. Detailed facts importance to specialist readers published ”Supporting Information”. Such documents peer-reviewed, but not...
Novel large π‐conjugated carbon material, graphdiyne (GD), as a dopant to poly(3‐hexylthiophene) (P3HT) hole‐transporting material (HTM) layer, is introduced into perovskite solar cells for the first time. Raman spectroscopy and ultraviolet photoelectron measurements reveal that relatively strong π–π stacking interaction occurs between GD particles P3HT (so‐called P3HT/GD composite HTM), favorable hole transportation improvement of cell performance. On other hand, some aggregates exhibit...
At present, the photovoltaic performance of quantum dot-sensitized solar cells (QDSCs) is still much lower than conventional DSCs. Appropriate porous TiO(2) photoanodes for QDSCs need to be further investigated, and optimization nanoparticle-based highly desirable as well. In this article, influence structural properties various on CdS/CdSe-sensitized have been systematically studied. Quantitative analyses light-harvesting efficiency (LHE) electron-transfer yield (Φ(ET)) are investigated...
A flexible composite electrode, which is composed of conducting polyaniline (PANI) as electroactive material and graphite (FG) substrate, has been fabricated by in situ chemical polymerization to substitute for the expensive Pt counter electrode (CE) used dye-sensitized solar cells (DSCs). The photovoltaic parameters DSCs are strongly dependent on oxidation state thickness PANI film. Higher photocurrent density efficiency have obtained using emeraldine compared pernigraniline. fabrication...
Al-doped ZnO (AZO) modified nanorods have been applied in CH3NH3PbI3 perovskite solar cells, which can show a positive effect on open circuit voltage and power conversion efficiency. The average efficiency is improved from 8.5% to 10.07% the maximum reaches 10.7%.
Surface passivation is an effective approach to eliminate defects and thus achieve efficient perovskite solar cells, while the stability of effect a new concern for device engineering. Herein, tribenzylphosphine oxide (TBPO) introduced stably passivate surface. A high efficiency exceeding 22%, with steady-state 21.6%, achieved, which among highest performances TiO2 planar hysteresis significantly suppressed. Further density functional theory (DFT) calculation reveals that surface molecule...
Abstract Au nanorods (NRs) decorated carbon nitride nanotubes (Au NRs/CNNTs) photocatalysts have been designed and prepared by impregnation–annealing approach. Localized surface plasmon resonance (LSPR) peaks of NRs can be adjusted changing the aspect ratios, light absorption range NRs/CNNTs is extended to longer wavelength even near‐infrared light. Optimal composition Pt@Au NR 769 /CNNT 650 has achieved adjusting LSPR further depositing Pt nanoparticles (NPs), photocatalytic H 2 evolution...
Aiming at a large open-circuit voltage (VOC ) deficit in Cu2 ZnSn(S,Se)4 (CZTSSe) solar cells, new and effective strategy to simultaneously regulate the back interface restrain bulk defects of CZTSSe absorbers is developed by directly introducing thin GeO2 layer on Mo substrates. Power conversion efficiency (power-to-efficiency) as high 13.14% with VOC 547 mV achieved for champion device, which presents certified 12.8% (aperture area: 0.25667 cm2 ). Further investigation reveals that Ge...
Abstract Severe nonradiative recombination originating from interfacial defects together with the pervasive energy level mismatch at interface remarkably limits performance of CsPbI 3 perovskite solar cells (PSCs). These issues need to be addressed urgently for high‐performance and their applications. Herein, an gradient heterostructure based on low‐temperature post‐treatment quaternary bromide salts efficient PSCs impressive efficiency 21.31% extraordinary fill factor 0.854 is demonstrated....
To CsPbI3 perovskite solar cells, defects from buried interfaces and improper energy band alignment can cause severe carrier recombination hamper further enhancement in efficiency stability. In this work, we develop an situ strategy to reconstruct the interface for n-i-p typed cells. This is derived exchange reaction between 18C6/Cs+ Pb2+, leading formation of 18C6/Pb2+ crystallization process (18C6: 18-crown-6 ether). The as-prepared complex acts as a kind molecular barrier modify...
An all-carbon counter electrode has been fabricated for hole-conductor-free organo-metal perovskite heterojunction thin-film solar cells by a simple and low-temperature process. The consisted of two parts: mesoscopic carbon layer good contact with the layer, piece industrial flexible graphite sheet as conducting electrode. Several types materials were employed in electrodes tested. From an electrochemical impedance study, it is found that between significant influence on charge transport...
A simple aqueous solution route has been used to prepare mercaptoacetic acid attached CuInS2 quantum dots. Based on this material, core–shell CuInS2–Mn doped CdS dot sensitized solar cells are assembled and a power conversion efficiency of 5.38% is obtained under AM1.5 (100 mW cm−2) illumination.
Carbon electrode was first employed on CdS quantum dot-sensitized solar cells (QDSSCs). It can present up to 1.47% of the conversion efficiency, outperforming identical cell with Pt (0.17%) under AM 1.5 illumination 100 mW cm−2. Electrochemical impedance spectrum (EIS) is applied characterize charge transfer resistance (Rct) at electrolyte/counterelectrode interface QDSSCs. Our preliminary result revealed that carbon electrodes large surface area and ideal corrosion-inertness toward...
Hybrid organic–inorganic perovskites (e.g., CH3NH3PbI3) are promising light absorbers for the third-generation photovoltaics. Herein we demonstrate a modified two-step deposition method to fabricate uniform CH3NH3PbI3 capping layer with high-coverage and thickness of 300 nm on top mesoporous TiO2. The shows high light-harvesting efficiency long carrier lifetime over 50 ns. On basis as-prepared film, TiO2/CH3NH3PbI3 heterojunction solar cells achieve power conversion 10.47% open-circuit...
Two new triphenylamine-based hole-transporting materials (HTMs) containing butadiene derivatives are employed in CH3NH3PbI3 perovskite solar cells. Up to 11.63% of power conversion efficiency (PCE) has been achieved. Advantages such as easy synthesis, low cost and relatively good cell performance exhibit a possibility for commercial applications the future.
Higher charge transport, collection and final efficiency of planar perovskite solar cells are achieved with a Mg-doped TiO<sub>2</sub>compact layer.