A5060588356- Perovskite Materials and Applications
- Conducting polymers and applications
- Organic Electronics and Photovoltaics
- Catalytic Processes in Materials Science
- Advanced Photocatalysis Techniques
- Catalysis and Oxidation Reactions
- Covalent Organic Framework Applications
- Electrocatalysts for Energy Conversion
- Catalysis and Hydrodesulfurization Studies
- Organic Light-Emitting Diodes Research
- Quantum Dots Synthesis And Properties
- Nanomaterials for catalytic reactions
- Ammonia Synthesis and Nitrogen Reduction
- Mercury impact and mitigation studies
- Catalysts for Methane Reforming
- Mesoporous Materials and Catalysis
- Advanced Polymer Synthesis and Characterization
- Copper-based nanomaterials and applications
- Zeolite Catalysis and Synthesis
- Molecular Junctions and Nanostructures
- Stock Market Forecasting Methods
- Catalysis for Biomass Conversion
- Asymmetric Hydrogenation and Catalysis
- Porphyrin and Phthalocyanine Chemistry
- Heavy Metal Exposure and Toxicity
Huazhong Agricultural University
2023-2025
South China University of Technology
2013-2024
Huaihua University
2024
Anhui University
2023-2024
Affiliated Hospital of Nantong University
2022
Nantong University
2022
Portland State University
2022
Sun Yat-sen University
2022
The First Affiliated Hospital, Sun Yat-sen University
2022
University of Portland
2022
Abstract A synergic interface design is demonstrated for photostable inorganic mixed‐halide perovskite solar cells (PVSCs) by applying an amino‐functionalized polymer (PN4N) as cathode interlayer and a dopant‐free hole‐transporting poly[5,5′‐bis(2‐butyloctyl)‐(2,2′‐bithiophene)‐4,4′‐dicarboxylate‐ alt ‐5,5′‐2,2′‐bithiophene] (PDCBT) anode interlayer. First, the interfacial dipole formed at reduces workfunction of SnO 2 , while PDCBT with deeper‐lying highest occupied molecular orbital (HOMO)...
An amino‐functionalized copolymer with a conjugated backbone composed of fluorene, naphthalene diimide, and thiophene spacers (PFN‐2TNDI) is introduced as an alternative electron transport layer (ETL) to replace the commonly used [6,6]‐Phenyl‐C61‐butyric acid methyl ester (PCBM) in p–i–n planar‐heterojunction organometal trihalide perovskite solar cells. A combination characterizations including photoluminescence (PL), time‐resolved PL decay, Kelvin probe measurement, impedance spectroscopy...
All-polymer solar cells (all-PSCs) composed of conjugated polymers as both donor and acceptor components in bulk heterojunction photoactive layers have attracted increasing attention. However, it is a big challenge to achieve optimal morphology polymer:polymer blends. In response, we report herein new strategy adjust the nanoscale organization for all-PSCs. Specifically, side chain engineering well-known naphthalene diimide (NDI)-based polymer N2200 modulated by introducing fraction linear...
Abstract The commercially available PM6 as donor materials are used widely in highly efficient nonfullerene polymer solar cells (PSCs). In this work, different concentrations of iridium (Ir) complexes (0, 0.5, 1, 2.5, and 5 mol%) incorporated carefully into the conjugated backbone (PM6‐Ir0), a set π‐conjugated donors (named PM6‐Ir0.5, PM6‐Ir1, PM6‐Ir2.5, PM6‐Ir5) synthesized characterized. It is demonstrated that approach can rationally modify molecular aggregations donors, effectively...
To develop environmentally friendly solvent processed high performance polymer solar cells (PSCs), an alcohol soluble narrow-band-gap conjugated PCDTBT-N and C70 fullerene derivative PC71BM-N, which were functionalized with pendant tertiary amino groups, developed used as active layers in PSCs buffer metal–semiconductor interfaces. Though containing groups showed no photovoltaic properties regardless of the processing conditions, both PC71BM-N performed well to improve electron collection...
Water/alcohol soluble conjugated polymers (WSCPs), which can be processed from water/alcohol and other polar solvents, are suitable for the solution processing of multi-layer organic electronic devices. By using a thin layer WSCP as cathode interfacial material, resulting polymer light-emitting diodes (PLEDs) solar cells (PSCs) exhibited significant enhancements in their device performances. In this Feature Article, authors aim to introduce brief review recent developments applications WSCPs...
Conjugated polymers are emerging as promising organic photocatalysts for hydrogen evolution from water. However, it is still very challenging conjugated to realize highly efficient photocatalytic evolution. Herein, we demonstrate an strategy of hydrophilic side chain functionalization boost the rates polymers. By functionalizing with oligo (ethylene glycol) monomethyl ether (OEG) chains, a 90-fold improvement in rate has been achieved than that alkyl-functionalized polymer. It found OEG...
Abstract Highly efficient planar heterojunction perovskite solar cells (PVSCs) with dopamine (DA) semiquinone radical modified poly(3,4‐ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) (DA‐PEDOT:PSS) as a hole transporting layer (HTL) were fabricated. A combination of characterization techniques employed to investigate the effects DA doping on electron donating capability DA‐PEDOT:PSS, film quality and charge recombination kinetics in cells. Our study shows that endows...
Organic halide salts are successfully incorporated in perovskite-based planar-heterojunction solar cells as both the processing additive and interfacial modifier to improve morphology of perovskite light-absorbing layer charge collecting property cathode. As a result, exhibit significant improvement power conversion efficiency (PCE) from 10% reference device 13% modified devices.
Abstract Photocatalytic hydrogen evolution is an attractive method for the acquisition of clean and sustainable energy with use solar power. Most reported studies have been carried out in scarce pure water. Therefore, development artificial photosynthesis system that works perfectly earth's abundant seawater would be attractive. Herein, a supramolecular strategy photocatalytic production from simulated under sunlight irradiation (AM 1.5G, 100 mW cm −2 ) presented using water‐soluble,...
The neurotoxin methylmercury (MeHg) is produced mainly from the transformation of inorganic Hg by microorganisms carrying hgcAB gene pair. Paddy soils are known to harbor diverse microbial communities exhibiting varying abilities in methylating Hg, but their distribution and environmental drivers remain unknown at a large spatial scale. Using hgcA amplicon sequencing, this study examined Hg-methylating major rice-producing paddy across transect ∼3600 km an altitude ∼1300 m China. Results...
A polymer with tailored chemical functionality was used to control the film formation property of CH<sub>3</sub>NH<sub>3</sub>PbI<sub>3</sub>perovskite semiconductor, leading enhanced photovoltaic performance in a perovskite/fullerene based planar heterojunction solar cells.
A polymer/PCBM hybrid electron transport layer is reported that enables high-performance perovskite solar cells with a high power conversion efficiency of 16.2% and negligible hysteresis. Unlike previous approaches reducing hysteresis by thermal annealing or fullerene passivation, the success our approach can be mainly attributed to doping PCBM using an insulating polymer (polystyrene) amine-containing polymeric semiconductor named PFNOX. This open access article under terms Creative Commons...
We introduced hydrophilic side chains into conjugated porous polymers and realised enhanced photocatalytic hydrogen evolution rates.
Abstract A photocatalytic system containing a perylene bisimide (PBI) dye as photosensitizer anchored to titanium dioxide (TiO 2 ) nanoparticles through carboxyl groups was constructed. Under solar‐light irradiation in the presence of sacrificial triethanolamine (TEOA) neutral and basic conditions (pH 8.5), reaction cascade is initiated which PBI molecule first absorbs green light, giving formation stable radical anion (PBI .− ), second step near‐infrared forming dianion 2− ). Finally, red...
N-type water/alcohol soluble-conjugated polymers (n-WSCPs) have shown promise as electron transport materials (ETMs) in applications such high-performance polymer solar cells (PSCs) and other opto-electronic devices. However, the inherent relationship between doping behaviors specific structures of these conjugated has not yet been established. In this work, we develop a series tailor-made n-WSCPs that comprise different backbones pendant polar groups, systematically study relevance...
Herein, all‐polymer solar cells (all‐PSCs) are studied based on PTzBI:N2200 system processed from two different solvents, chlorobenzene (CB) and 2‐methyltetrahydrofuran (Me‐THF). It is found that the preaggregation of donor acceptor polymers in Me‐THF key factor enables a drastic enhancement cell efficiency ≈1% (processed by CB) to ≈11% Me‐THF). When using CB as solvent, both well dissolved mostly disaggregated. In contrast, exhibit strong aggregation Me‐THF. As result, blend films pure...
We report here novel bifunctionalized electron transport materials (ETMs) that can improve the efficiency and stability of perovskite solar cells (PVSCs) simultaneously. By functionalizing n-type conjugated polymers with fluoro amino side chains, PN, PN-F25%, PN-F50% varied contents chains are prepared. It is found in ETMs efficiently interface contact collection PVSCs, improved power conversion from 14.0% for PC61BM-based devices to more than 17% PN- PN-F25%-based devices. Moreover, endow...