A5091481631- Perovskite Materials and Applications
- Conducting polymers and applications
- Quantum Dots Synthesis And Properties
- Chalcogenide Semiconductor Thin Films
- TiO2 Photocatalysis and Solar Cells
- Advanced Photocatalysis Techniques
- Organic Electronics and Photovoltaics
- ZnO doping and properties
- Solid-state spectroscopy and crystallography
- Advanced Nanomaterials in Catalysis
- Advanced battery technologies research
- Nanowire Synthesis and Applications
- Advanced Sensor and Energy Harvesting Materials
- Advancements in Battery Materials
- Organic Light-Emitting Diodes Research
- Supercapacitor Materials and Fabrication
- Electrospun Nanofibers in Biomedical Applications
- Electrochemical sensors and biosensors
- Cancer Cells and Metastasis
- Extraction and Separation Processes
- 3D Printing in Biomedical Research
- Analytical Chemistry and Sensors
- Thermal Expansion and Ionic Conductivity
- Carbon Nanotubes in Composites
- Electrowetting and Microfluidic Technologies
Wuhan University
2011-2025
Wuhan University of Technology
2022
Hong Kong Polytechnic University
2010-2021
Kowloon Hospital
2019
Jianghan University
2014-2017
National Taiwan University
2010
Abstract Poor stability of organic–inorganic halide perovskite materials in humid condition has hindered the success solar cells real applications since controlled atmosphere is required for device fabrication and operation, there a lack effective solutions to this problem until now. Here we report use lead (II) thiocyanate (Pb(SCN) 2 ) precursor preparing ambient air. High-quality CH 3 NH PbI 3− x (SCN) films can be readily prepared even when relative humidity exceeds 70%. Under optimized...
Semitransparent perovskite solar cells are prepared by laminating graphene transparent electrodes on the top for first time. The device performance is optimized improving conductivity of and contact between active layers during lamination process. devices show high power conversion efficiencies when they illuminated from both sides.
Recent progress of inorganic perovskite solar cells is reviewed along with different compositions.
Tin-based perovskites with excellent optoelectronic properties and suitable band gaps are promising candidates for the preparation of efficient lead-free perovskite solar cells (PSCs). However, it is challenging to prepare highly stable tin-based PSCs because Sn2+ in can be easily oxidized Sn4+ upon air exposure. Here we report fabrication air-stable FASnI3 by introducing hydroxybenzene sulfonic acid or its salt as an antioxidant additive into precursor solution along excess SnCl2 . The...
Highly uniform and transparent polyaniline (PANI) electrodes that can be used as counter in dye-sensitized solar cells (DSSCs) were prepared by a facile situ polymerization method. They to fabricate novel bifacially active DSSC, which showed conversion efficiencies of 6.54 4.26% corresponding front- rear-side illumination, respectively. Meanwhile, the efficiency same photoanode employing Pt electrode was 6.69%. Compared conventional Pt-based DSSCs, design bifacial DSSC fabricated this work...
A nanostructured platform that combines electrospun TiO2 nanofibers (TiNFs)-deposited substrate and cell-capture agent realizes significant capture of circulating tumor cells (CTCs). The enhanced local topographic interactions between the horizontally packed TiNFs deposited substrates extracellular matrix scaffolds, in addition to anti-EpCAM/EpCAM biological recognition, contributes significantly efficiency compared flat surfaces. Detailed facts importance specialist readers are published as...
The quality of perovskite films is critical to the performance solar cells. However, it challenging control crystallinity and orientation solution-processed films. Here, solution-phase van der Waals epitaxy growth MAPbI3 on MoS2 flakes reported. Under transmission electron microscopy, in-plane coupling between crystal lattices observed, leading with larger grain size, lower trap density, preferential along (110) normal surface. In cells, when active layers are grown coated hole-transport...
Abstract Organic–inorganic hybrid perovskites have emerged as promising functional materials for high‐performance photodetectors. However, the toxicity of Pb and lack internal gain mechanism in typical significantly hinder their practical applications. Herein, a low‐voltage photodetector based on single layer lead‐free Sn‐based perovskite film is reported. The device shows broadband response from ultraviolet to near‐infrared light with responsivity up 10 5 A W −1 high at low operating...
Maintaining the stability of tin halide perovskites is a major challenge in developing lead-free perovskite solar cells (PSCs). Adding extra SnX2 (X = F, Cl, or Br) precursor solution to inhibit Sn2+ oxidation an essential strategy improve device efficiency and stability. However, on surface grains tends prohibit charge transfer across films. Here, we report coadditive engineering approach by introducing antioxidant gallic acid (GA) together with SnCl2 performance tin-based PSCs. The...
Abstract Organic–inorganic hybrid perovskite solar cells (PSCs) are regarded as a promising next‐generation photovoltaic technology. However, poor device stability limits their commercialization. Carbon‐based inorganic PSCs (C‐IPSCs) can meet challenge owing to the absence of organic components. Meanwhile, hydrophobic carbon materials hole transport layers and back electrodes simplify fabrication process, decrease costs, protect devices from moisture erosion. Since first attempt for C‐IPSCs...
Abstract Perovskite (PVK) solar cells (PSCs) have garnered considerable research interest owing to their cost-effectiveness and high efficiency. A systematic annual review of the on PSCs is essential for gaining a comprehensive understanding current trends. Herein, analysis papers reporting key findings in 2023 was conducted. Based results, were categorized into six classifications, including regular n–i–p PSCs, inverted p–i–n PVK-based tandem cells, PVK modules, device stability, lead...
Flexible perovskite solar cells (F-PSCs) are appealing for their flexibility and high power-to-weight ratios. However, the fragile grain boundaries (GBs) in films can lead to stress strain cracks under bending conditions, limiting performance stability of F-PSCs. Herein, we show that film facilely achieve situ bifacial capping via introducing 4-(methoxy)benzylamine hydrobromide (MeOBABr) as precursor additive. The spontaneously formed MeOBABr layers flatten boundary grooves (GBGs), enable...
Optofluidics may hold the key to greater success of photocatalytic water treatment. This is evidenced by our findings in this paper that planar microfluidic reactor can overcome limitations mass transfer and photon previous reactors improve photoreaction efficiency more than 100 times. The microreactor has a chamber (5 cm×1.8 cm×100 μm) enclosed two TiO(2)-coated glass slides as top cover bottom substrate microstructured UV-cured NOA81 layer sealant flow input∕output. In experiment, achieves...
Bi-functional ammonium hypophosphite (AHP) is introduced to improve the performance and long term stability of FASnI<sub>3</sub> solar cells.
The crystallinity of organic–inorganic hybrid lead halide perovskite active layers is critical to the performance solar cells (PSCs). However, it a challenge control crystallization process films by solution process. Here, fabrication high‐efficiency PSCs employing acetate (PbAc 2 ) as an additive in precursor demonstrated for first time. By adding few percent PbAc (molar ratio with respect PbI into precursors, significantly retarded, leading pinhole‐free large grains and low defect...
Abstract Grain boundaries in organic–inorganic halide perovskite solar cells (PSCs) have been found to be detrimental the photovoltaic performance of devices. Here, we develop a unique approach overcome this problem by modifying edges grain with flakes high-mobility two-dimensional (2D) materials via convenient solution process. A synergistic effect between 2D and is observed for first time, which can significantly enhance PSCs. We find that conduct holes from hole transport layers PSCs,...
Abstract Carbon‐based inorganic perovskite solar cells (C‐PSCs) have attracted intensive attention owing to their low cost and superior thermal stability. However, the bulk defects in perovskites interfacial energy level mismatch seriously undermine performance. To overcome these issues, a multifunctional dual‐interface engineering is proposed with focus on low‐temperature CsPbI 2 Br C‐PSCs, where potassium trifluoroacetate (KTFA) 4‐trifluorophenyl methylammonium bromide (CF 3 PMABr) are...
Abstract Solution‐processed nickel oxide nanocrystals (NiO x NCs) ink can be facilely applied to deposit NiO thin films as the hole transport layer (HTL) for perovskite solar cells (PSCs). Both efficiency and stability of corresponding PSCs depend significantly on size energy levels as‐synthesized NCs; however, previous studies have shown that these two aspects hardly controlled synchronously maximize device performance. Herein, a novel synthesis highly dispersed NCs is demonstrated by...
Low band gap tin-lead perovskite solar cells (Sn-Pb PSCs) are expected to achieve higher efficiencies than Pb-PSCs and regarded as key components of tandem PSCs. However, the realization high efficiency is challenged by instability Sn2+ imperfections at charge transfer interfaces. Here, we demonstrate an efficient ideal formamidinium (FA)-based Sn-Pb (FAPb0.5 Sn0.5 I3 ) PSC, manipulating buried NiOx /perovskite interface with 4-hydroxyphenethyl ammonium halide (OH-PEAX, X=Cl- , Br- or I-...
A highly efficient and stable ideal-bandgap perovskite solar cell based on a defect-less formamidinium (FA) Sn–Pb light-absorbing layer is grown fluorinated substrate via top-down crystallization.
Abstract The inverted perovskite solar cells (PSCs) based on inorganic metal oxide hole transport layers (HTLs) bear the merits of high device stability and low material cost. However, existence metal‐vacancy defects surface layer is a key constraint achieving efficiency stability, like case well‐known nickel (NiO x ) HTL. Here, cobalt (CoO HTL with defect‐less prepared by solution process using Co(OH) 2 as source water an eco‐friendly solvent for first time. PSCs CoO show superior thermal...