A5038963306- Perovskite Materials and Applications
- Conducting polymers and applications
- Quantum Dots Synthesis And Properties
- Chalcogenide Semiconductor Thin Films
- Data Management and Algorithms
- Advanced Photocatalysis Techniques
- Advanced Database Systems and Queries
- Advanced Chemical Physics Studies
- TiO2 Photocatalysis and Solar Cells
- Organic Electronics and Photovoltaics
- Organic Light-Emitting Diodes Research
- Solid-state spectroscopy and crystallography
- Spectroscopy and Laser Applications
- Spectroscopy and Quantum Chemical Studies
- Methane Hydrates and Related Phenomena
- Algorithms and Data Compression
- Hydrocarbon exploration and reservoir analysis
- Quantum, superfluid, helium dynamics
- Molecular Junctions and Nanostructures
- Multiferroics and related materials
- Advanced battery technologies research
- Atmospheric Ozone and Climate
- Advanced Memory and Neural Computing
- Quantum and electron transport phenomena
- Time Series Analysis and Forecasting
Henan University
2018-2025
Henan Academy of Sciences
2024-2025
University of Science and Technology of China
2024
Shanghai International Studies University
2022
Kaifeng University
2018-2021
National Yang Ming Chiao Tung University
2017-2019
Nanjing University
2002-2018
Collaborative Innovation Center of Advanced Microstructures
2018
Beijing National Laboratory for Molecular Sciences
2014-2017
Chinese Academy of Sciences
2012-2017
Increasing environmental crises caused by exploring and using fossil fuels have compelled human being to develop innovative technologies utilize renewable sustainable energy sources. For this purpose, photovoltaic conversion of solar into electricity with cells is a promising attracting way in that clean inexhaustible. Nowadays, the bottleneck application on large scale generation still lies lacking an efficient, stable low-cost materials system for photon-to-electricity conversion....
Abstract Hole transport layer (HTL) is very important for the power conversion efficiency (PCE) and stability of perovskite solar cells (PSCs). As current state‐of‐the‐art HTL, Li‐TFSI doped spiro‐OMeTAD often suffers low conductivity hydrolysis additive Li‐TFSI, which significantly hinders further improvement PCE PSCs. Besides, conventional has no functional directly passivating crystal defects. Herein, multifunctional TiO 2 nanoparticles (NPs)‐modified CNT (CNT:TiO ) (spiro‐OMeTAD+CNT:TiO...
Charge carrier events across organic electronics are ubiquitous, and the derived optimization plays a crucial effect on improving performance of electronics. Herein, two-dimensional material (Ti3C2Tx) is incorporated into titanium dioxide (TiO2) to impart Ti3C2Tx/TiO2 hybrid film enriched hydroxy group distribution, defect-negligible surface, upshifted work function, enhanced conductivity yet electron mobility versus pristine TiO2 film. Therefore, intensified photon-harvesting ability,...
Abstract In recent years, halide perovskite solar cells (HPSCs) have attracted a great attention due to their superior photoelectric performance and the low‐cost of processing quality films. order commercialize HPSCs, researchers are focusing on developing high‐performance HPSCs. Many strategies been reported increase power conversion efficiency long‐term stability HPSCs over past decade. Herein, we review latest efforts chemical‐physical principles for preparing high‐efficiency in...
Metallic zinc electrode with a high theoretical capacity of 820 mAh g-1 is highly considered as promising candidate for next-generation rechargeable batteries. However, the unavoidable hydrogen evolution, uncontrolled dendrite growth, and severe passivation reaction badly hinder its practical implementations. Herein, robust polymer-alloy artificial protective layer designed to realize dendrite-free Zn metal anode by integration zincophilic SnSb nanoparticles Nafion. In comparison bare...
Abstract A 3D nanostructured scaffold as the host for zinc enables effective inhibition of anodic dendrite growth. However, increased electrode/electrolyte interface area provided by using matrices exacerbates passivation and localized corrosion Zn anode, ultimately bringing about degradation electrochemical performance. Herein, a nanoscale coating inorganic–organic hybrid (α‐In 2 Se 3 ‐Nafion) onto flexible carbon nanotubes (CNTs) framework (ISNF@CNTs) is designed plating/stripping to...
Abstract The triboelectric nanogenerator (TENG) offers a novel approach to harness mechanical energy continuously and sustainably. It has emerged as leading technology for converting into electricity. demand self‐powered wearable microelectronics generation in extreme conditions underscores the need efficient high‐temperature operatable TENGs (HTO‐TENGs). However, operating environment temperature not only affects storage dissipation of electrons during triboelectrification, decreased output...
Abstract The electron transport layer (ETL) has an important influence on the power conversion efficiency (PCE) and stability of n‐i‐p planar perovskite solar cells (PSCs). This paper presents N‐type semiconductor material, (CH 3 ) 2 Sn(COOH) (abbreviated as CSCO) that is synthesized prepared for first time ETL PSCs, which leads to a high PCE 22.21% after KCl treatment, one highest PCEs PSCs date. Further analysis reveals attributed excellent conductivity CSCO because its more delocalized...
This communication describes a new method to achieve reversible light-induced chemical composition and phase structural transitions from polyvinylpyrrolidone-capped orthorhombic CsPbBr3 tetragonal CsPb2Br5 nanosheets or vice versa. work will deepen our understanding of the controlled synthesis, post-processing, decomposition pathway cesium lead halide perovskite nanocrystals.
Fused-ring electron donors boost the efficiency of organic solar cells (OSCs), but they suffer from high cost and low yield for their large synthetic complexity (SC > 30%). Herein, authors develop a series simple non-fused-ring donors, PF1 PF2, which alternately consist furan-3-carboxylate 2,2'-bithiophene. Note that PF2 present very small SC 9.7% inexpensive raw materials, facile synthesis, yield. Compared to all-thiophene-backbone counterpart PT-E, two new polymers feature larger...
Hole transport layers (HTLs) in perovskite photovoltaics do not just play a key role device performance; they also determine the overall flexibility, cost, and opportune tandem solar cell applications. Currently used HTLs have limited functionality are costly. Here, we develop an efficient bifunctional cost-effective HTL based on electrochemically deposited polyaniline (PAN) decorated with dodecyl benzene sulfonic acid. We then resurface PAN chlorine to improve conductivity provide...
Abstract The power conversion efficiency (PCE) of 2D/3D perovskite solar cells (PSCs) is still significantly low compared with 3D PSCs due to the poor charge transport ability 2D thin films and a large number defects in films. Herein, address these two issues, multifunctional TiO 2 nanoparticles (NPs)‐modified carbon nanotubes (CNT:TiO ) additives are incorporated into layer for first time, demonstrate three positive effects CNT:TiO material application: firstly, it passivates defect state...
Abstract Charge recombination due to interfacial defects is an important source of loss in perovskite solar cells. Here, a two‐sided passivation strategy implemented by incorporating bilinker molecule, thiophene‐based carboxylic acid (TCA), which passivates on both the side and TiO 2 electron‐extracting heterojunction Density functional theory ultrafast charge dynamics reveal 50% reduction at this interface. Perovskite cells made using TCA‐passivated heterojunctions achieve power conversion...
The development of a hole transport layer (HTL) with persistent high conductivity, good moisture/oxygen barrier ability, and suitable passivation ability perovskite defects is very important for achieving power conversion efficiency (PCE) long‐term stability solar cells (PSCs). However, the state‐of‐the art HTL, lithium bis(trifluoromethanesulfonyl)‐imide (Li‐TFSI)‐doped 2,2′,7,7′‐tetrakis‐( N,N ‐di‐ p ‐methoxyphenylamine)‐9,9′‐spirobifluorene (spiro‐OMeTAD), does not have these abilities....
Abstract Encouraged by recent advances in revealing significant effects of van der Waals wells on reaction dynamics, many people assume that are inevitable chemical reactions. Here we find the weak long-range forces cause saddles prototypical C( 1 D )+D 2 complex-forming have very different dynamical from at low collision energies. Accurate quantum dynamics calculations our highly accurate ab initio potential energy surfaces with yield cross-sections close agreement crossed-beam experiments,...
A facile solution-processing method featuring the applications of a stable molecular precursor solution and repetition spin-coating annealing for film growth is reported in situ CuInS2 nanoparticle films on TiO2/CdS to provide TiO2/CdS/CuInS2 ternary superstrate heterojunction efficient solar cells. The novel planar cells are fabricated using Spiro-OMeTAD as hole transporting material (HTM) achieved peak power conversion efficiency 6.31% under AM 1.5 illumination at optimized thickness 200...
2,2',7,7'-Tetrakis(N,N-di-p-methoxyphenyl-amine)-9,9'-spirobifluorene (spiro-OMeTAD), the most widely used hole transport material in high-efficiency perovskite solar cells (PSCs), still has serious defects, such as moisture absorption and poor long-term conductivity, which seriously restrict further improvement of power conversion efficiency (PCE) stability cell. Herein, to overcome these problems, inorganic salt PbSO4(PbO)4 quantum dots (QDs) are incorporated into spiro-OMeTAD layer (HTL)...
Simultaneous ambient long-term conductivity promotion, interfacial modification, ion migration inhibition and anti-deliquescence by MWCNT:NiO in spiro-OMeTAD for perovskite solar cells.