A5054094065- Perovskite Materials and Applications
- Advanced Photocatalysis Techniques
- Quantum Dots Synthesis And Properties
- Conducting polymers and applications
- Copper-based nanomaterials and applications
- Solid-state spectroscopy and crystallography
- Chalcogenide Semiconductor Thin Films
- Organic Electronics and Photovoltaics
- Strong Light-Matter Interactions
- Thermal Expansion and Ionic Conductivity
- Nanowire Synthesis and Applications
- Nanocluster Synthesis and Applications
- CO2 Reduction Techniques and Catalysts
- Organic Light-Emitting Diodes Research
- Catalytic Processes in Materials Science
- 2D Materials and Applications
- Advancements in Solid Oxide Fuel Cells
- Gas Sensing Nanomaterials and Sensors
- Electronic and Structural Properties of Oxides
- ZnO doping and properties
- Gold and Silver Nanoparticles Synthesis and Applications
- GaN-based semiconductor devices and materials
- Electrocatalysts for Energy Conversion
- Plasmonic and Surface Plasmon Research
- Solar-Powered Water Purification Methods
Shaoxing University
2021-2024
Shanghai Institute of Microsystem and Information Technology
2023-2024
State Key Laboratory of Transducer Technology
2023-2024
Chinese Academy of Sciences
2016-2024
Institute of Semiconductors
2016-2021
University of Chinese Academy of Sciences
2017-2021
China Jiliang University
2020
A systematic strategy for effectively engineering the charge extraction in inverted structured perovskite solar cells based on CH<sub>3</sub>NH<sub>3</sub>PbI<sub>3−x</sub>Cl<sub>x</sub>is provided. An optimized power conversion efficiency of 20.5% is realized.
The unique properties and structures of metal halide perovskite materials desired for a variety photocatalytic applications in water splitting, CO 2 reduction, pollutant degradation, organic synthesis.
Plasmonic nanolasers have ushered in a paradigm of deep sub-wavelength coherent optical sources with ultrafast dynamics that exploit the strong confinement capabilities metals. Although these devices are usually associated higher thresholds due to absorption metals, high gain inorganic II-VI and III-V semiconductor materials allowed realization plasmonic operating under ambient conditions. In this work, we introduce single-crystalline lead halide perovskite (CH3NH3PbI3) nanowires as an...
A humidity sensor made of uniform perovskite nanosheet arrays displayed good performance, and hence represents a new application for materials.
Incorporation of appropriate amounts Cs and Cl into the perovskite precursor could improve stability corresponding devices. A high power conversion efficiency 20.31% without hysteresis is realized.
Abstract Electrically pumped nanolasers have achieved many exciting achievements and display a wide range of potential application prospects in the fields optoelectronic chips, information storage, biosensing. However, there is lacking an in‐depth extensive review recent development electrically nanolasers. Herein, detailed comprehensive overview first given according to device configurations, including single nanolaser, nanoarray lasers, nanobeam plasmonic with different cavity structures....
Though various efforts on modification of electrodes are still undertaken to improve the efficiency perovskite solar cells, attributing large scope these methods, it is significance unveil working principle systematically. Herein, inverted cells based indium tin oxide (ITO)/poly(3,4‐ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS)/CH 3 NH PbI /phenyl‐C61‐butyric acid methyl ester (PC 61 BM)/buffer metal/Al constructed. Through choice different buffer metals tune work function...
Abstract Manipulating stimulated‐emission processes and overcoming the ohmic loss of metals in plasmonic lasers are significance for according applications biological sensors, data storage, photolithography, optical communications. Herein, through utilizing an electrochemical‐assisted growth method high‐quality perovskite nanowires, based on structure metal/dielectric layer/perovskite nanowires constructed. The demonstrate a threshold 62 µJ cm −2 , high quality factor Q ≈ 655, fast lasing...
High power conversion efficiency can be realized by using a ternary bulk heterojunction with complementary absorption spectra in organic solar cells. However, as the development of nonfullerene acceptors broad spectrum makes photovoltaic devices close to optimal, such strategy needs modifying. In particular, charge transfer between two is necessary considered. Herein, we purposely design system based on PTB7-Th:COi8DFIC:ITIC-4F. Though presence ITIC-4F PTB7-Th:COi8DFIC could not broaden...
The Ag–Bi–I system has recently attracted much attention as a potential material for use in Pb-free solar cells due to its low toxicity and good stability. However, the main issue of rudorffite is that power conversion efficiency (PCE) still quite low. In this study, series CsxAg1–xBiI4 absorbers were synthesized by introducing different amounts Cs via simple method. It was found incorporation promising achieving dense pinhole-free films. addition, valence band edge 5% Cs-cooperated film...
The low separation efficiency of photogenerated charges and severe photocorrosion seriously impeded the application CdS in photocatalytic water splitting. Here we report new routes to improve performance nanowires (NWs) by decorating with Ag2S nanoparticles, so Ag2S/CdS heterojunction is constructed. exhibited optimal H2 evolution rate 777.3 μmol h-1 g-1, which 12.1 times higher than that pure CdS. intrinsic characteristics nanocomposites, such as structure, optical properties, surface...
Abstract Lead halide perovskites have gained tremendous attentions in many fields, especially nanolasers, owing to the excellent optoelectronic properties. However, underlying lasing mechanism is not clear both plasmonic and photonic nanolasers at room temperature. Here, lasers counterparts based on organic–inorganic hybrid lead tri‐bromine perovskite nanowires are achieved temperature compared terms of evolution, wavelengths, dynamics. The same spectra evolution emission wavelength indicate...
All-inorganic CsPbI1.5Br1.5 perovskite solar cells are considered as top cell candidates for tandem a result of their excellent thermal stability and photoelectric performance. However, power conversion efficiencies (PCEs) still low far below the theoretical limit mainly severe non-radiative recombination optical loss. Herein, we introduce an versatile method to construct surface multi-cationic heterojunction achieve efficient stable cell. By precisely controlling content FA+ MA+ on...
The development of highly crystalline perovskite films with large crystal grains and few surface defects is attractive to obtain high-performance solar cells (PSCs) good device stability. Herein, we simultaneously improve the power conversion efficiency (PCE) humid stability CH3NH3PbI3 (CH3NH3 = MA) by incorporating small organic molecule IT-4F into film using a buffer layer PFN-Br. presence in can successfully crystallinity enhance grain size, leading reduced trap states longer lifetime...