A5090376262- Organic Electronics and Photovoltaics
- Conducting polymers and applications
- Perovskite Materials and Applications
- Thin-Film Transistor Technologies
- Semiconductor materials and interfaces
- Nanowire Synthesis and Applications
- Organic Light-Emitting Diodes Research
- Integrated Circuits and Semiconductor Failure Analysis
- ZnO doping and properties
- Photochemistry and Electron Transfer Studies
- Quantum Dots Synthesis And Properties
- Photoacoustic and Ultrasonic Imaging
- Nanoplatforms for cancer theranostics
- X-ray Diffraction in Crystallography
- Advanced Battery Technologies Research
- Crystallization and Solubility Studies
- Advanced Battery Materials and Technologies
- Molecular Junctions and Nanostructures
- Advancements in Battery Materials
- Chalcogenide Semiconductor Thin Films
- Synthesis and properties of polymers
- Fullerene Chemistry and Applications
- Ga2O3 and related materials
- Photochromic and Fluorescence Chemistry
- 2D Materials and Applications
South China Normal University
2019-2025
Jianghan University
2023-2024
Guangzhou Institute of Energy Conversion
2022
Shenzhen University
2016-2018
Materials Science & Engineering
2018
South China University of Technology
2013-2016
The vertical composition distribution and crystallinity of photoactive layers are considered to have critical roles in photovoltaic performance. In this concise contribution, the layer-by-layer (LBL) solution process is used fabricate efficient polymer solar cells. results show that can be finely regulated via employing solvent additive 1,8-diiodooctane (DIO). favorable component tandem with improved induced by DIO contributes exciton dissociation, charge transportation extraction, limited...
Halogenated thiophene (FBrT) dissolves donor and acceptor readily, providing meaningful roles in mediating morphology. Thus, FBrT possesses general applicability reaching efficient organic solar cells with improved fill factors efficiencies.
The widespread application of quick response (QR) codes has brought data security issues to the forefront, largely due ease accessibility. In this study, we designed a two-dimensional perovskite material, (FPA)2PbBr4 (FPA = (R)-1-(4-fluorophenyl)ethylamine), enhance by increasing retrieval threshold QR codes. This material exhibits little absorption in visible light spectrum, with an abrupt edge at 402 nm. Notably, introducing F– anion into spacer and inducing protonation, dipole moment from...
Abstract The mechanical properties of bulk-heterojunction (BHJ) films play critical roles in the operational stability flexible polymer solar cells (PSCs). In this study, multi-scale BHJ containing three representative electron acceptors are systematically evaluated. Interestingly, tensile moduli based on PC 71 BM, Y6, and PRi-C39 decrease sequentially, their fracture strain toughness show an increasing trend. Moreover, nanoindentation these vary accordance with results characterizations....
Efficient Si/organic hybrid solar cells were fabricated with dimethyl sulfoxide (DMSO) and surfactant-doped poly(3,4-ethylenedioxythiophene): polystyrene (PEDOT:PSS). A post-treatment on PEDOT:PSS films polar solvent was performed to increase the device performance. We found that performance of polarity solvent. high conductivity 1105 S cm− 1 achieved by adopting methanol treatment, best efficiency corresponding reaches 12.22%. X-ray photoelectron spectroscopy (XPS) RAMAN utilized conform...
The vertical composition distribution of a bulk heterojunction (BHJ) photoactive layer is known to have dramatic effects on photovoltaic performance in polymer solar cells. However, the evolution rules BHJ films are still elusive. In this contribution, three film systems, composed donor PBDB-T, and different classes acceptor (fullerene PCBM, small-molecule ITIC, N2200) systematically investigated using neutron reflectometry examine how donor–acceptor interaction solvent additive impact...
All-polymer solar cells (all-PSCs) are proven to possess outstanding thermal and mechanical stabilities. However, concurrently achieving appropriate phase-separated pattern, efficient charge transportation, adequate transfer between donor acceptor components is still a challenge, thus, only few polymer–polymer bulk heterojunction (BHJ) blends have yielded BHJ device power conversion efficiency (PCE) values of >8%. Generally, polymer backbone substitutions may direct influence on the...
Solution-processed nonfullerene bulk-heterojunction (BHJ) polymer solar cells (PSCs), which are composed of donors and organic acceptors, proven to manifest promising performance long-term stability. In this concise contribution, bithieno[3,4-c]pyrrole-4,6-dione (BiTPD), is a TPD derivative but presents large planar structure strong electron-withdrawing ability, was used construct large-bandgap donor PBiTPD. Results show that the PBiTPD realized power conversion efficiency (PCE) as high...
Considering the strong intermolecular interaction in all-polymer solar cells, 1-chloronaphthalene assisted layer-by-layer deposition was used to fabricate cells with a P–i–N heterojunction and favorable crystallinity.
Abstract During the layer‐by‐layer (LBL) processing of polymer solar cells (PSCs), swelling and molecule interdiffusion are essential for achieving precise, controllable vertical morphology, thus efficient PSCs. However, influencing mechanism material properties on morphology correlated device performance has not been paid much attention. Herein, a series fluorinated/non‐fluorinated donors (PBDB‐T PBDB‐TF) non‐fullerene acceptors (ITIC, IT‐2F, IT‐4F) employed to investigate LBL devices. The...
The vertical component distribution of bulk heterojunction (BHJ) active film shows a significant impact on determining the device performance in polymer solar cells (PSCs). Processing solvent additives are well known for regulating BHJ layer morphology; however, there few reports regarding quantitative evaluation effect. Herein, study determination segregation combination molecular ordering PBDB-T/ITIC blend films with various 1,8-diiodooctane (DIO) contents is provided. A 0.5% (volume...
Two indacenodithiophene (IDT) core-based small molecules with different side chains of bulky 4-hexylphenyl and flexible n-dodecyl the same number carbon atom, namely SM1 SM2, respectively, were designed synthesized as donor materials in organic solar cells (OSCs). The impacts combined IDT core on optical absorption, electrochemical property, hole mobility, film morphology, cell performance studied thoroughly. two compounds possess a broad absorption covering wavelength range 450–700 nm...
Lithium-sulfur batteries are regarded as a promising energy storage system. However, they plagued by rapid capacity decay, low coulombic efficiency, severe shuttle effect and sulfur loading in cathodes. To address these problems, effective carriers highly demanded to encapsulate order extend the cycle life. Herein, we introduced doped-PEDOT:PSS-coated MIL-101/S multi-core-shell structured composite. The unique structure of MIL-101, large specific area conductive shell ensure high dispersion...
State-of-the-art non-fullerene bulk-heterojunction (BHJ) polymer solar cells outperform the more extensively studied polymer-fullerene BHJ in terms of efficiency, thermal-, and photostability. Considering strong light absorption near-infrared region (600-1000 nm) for most efficient acceptors, exploration high-performing large band gap (LBG) donors with complementary optical ranging from 400 to 700 nm remains critical. In this work, strategy concurrently incorporating fluorine (-F)...
Abstract Luminescent solar concentrators (LSCs) provide a simple and cost‐effective strategy for harvesting sunlight. However, few existing LSC–solar cell systems possess power conversion efficiency (PCE) remarkable color rendering capability simultaneously, which limits their application in building‐integrated photovoltaics (BIPV). Herein, the first time, novel fabricated by integrating LSCs with organic cells (OSCs), accompanied efficient energy harvest excellent rendering, are reported....
Enhanced efficiency and stability are observed from PSCs with VO<sub>x</sub>prepared using a novel synthetic method as the HEL.
Conjugated polymers have been proven to be full of promising application in photoacoustic (PA) imaging. Generally, the absorption spectra PA contrast agents lying near-infrared (NIR) II window are requisite eliminate light and scattering tissue, skin, blood. In this concise study, strong acceptor acrylate-substituted thiadiazoloquinoxaline (ATQ) was developed used copolymerize with different donors, yielding three NIR polymers. Results show that (i) ATQ-based can reach an ultralow optical...