A5047794010- Perovskite Materials and Applications
- Conducting polymers and applications
- Quantum Dots Synthesis And Properties
- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- Organic Light-Emitting Diodes Research
- Chalcogenide Semiconductor Thin Films
- Organic Electronics and Photovoltaics
- Metal-Organic Frameworks: Synthesis and Applications
- Solid-state spectroscopy and crystallography
- Magnetism in coordination complexes
- Metal complexes synthesis and properties
- Advanced battery technologies research
- Luminescence Properties of Advanced Materials
- Advanced Photocatalysis Techniques
- Polyoxometalates: Synthesis and Applications
- 2D Materials and Applications
- Electrocatalysts for Energy Conversion
- Advancements in Battery Materials
- Crystal Structures and Properties
- Copper-based nanomaterials and applications
- ZnO doping and properties
- TiO2 Photocatalysis and Solar Cells
- Chemical Synthesis and Characterization
- Organic and Molecular Conductors Research
Huaqiao University
2016-2025
Xinxiang Medical University
2025
First Affiliated Hospital of Xinxiang Medical University
2025
Tan Kah Kee Innovation Laboratory
2022-2023
Materials Science & Engineering
2019-2021
Xiamen University of Technology
2018-2021
University of Hong Kong
2014-2016
Kowloon Hospital
2014-2016
Hong Kong University of Science and Technology
2014-2016
Nanyang Technological University
2016
Nitrogen-doped graphene (NG) is a promising conductive matrix material for fabricating high-performance Li/S batteries. Here we report simple, low-cost, and scalable method to prepare an additive-free nanocomposite cathode in which sulfur nanoparticles are wrapped inside the NG sheets (S@NG). We show that Li/S@NG can deliver high specific discharge capacities at rates, is, ∼1167 mAh g–1 0.2 C, ∼1058 0.5 ∼971 1 ∼802 2 ∼606 5 C. The cells also demonstrate ultralong cycle life exceeding 2000...
The precursor of solution-processed perovskite thin films is one the most central components for high-efficiency solar cells. We first present crucial colloidal chemistry visualization solution based on analytical spectra and reveal that solutions cells are generally dispersions in a mother solution, with size up to mesoscale, rather than real solutions. colloid made soft coordination complex form lead polyhalide framework between organic inorganic can be structurally tuned by degree,...
Abstract Hybrid organic/inorganic perovskite solar cells have been rapidly evolving with spectacular successes in both nanostructured and thin‐film versions. Herein, we report the use of a simple sol–gel‐processed NiO nanocrystal (NC) layer as hole‐transport an inverted cell. The thin NC film faceted corrugated surface enabled formation continuous compact well‐crystallized CH 3 NH PbI two‐step solution process. hole‐extraction ‐transport capabilities this interfaced were higher than those...
A planar perovskite solar cell that incorporates a nanocarbon hole-extraction layer is demonstrated for the first time by an inkjet printing technique with precisely controlled pattern and interface. By designing carbon plus CH3NH3I ink to transform PbI2 in situ CH3NH3PbI3, interpenetrating seamless interface between CH3NH3PbI3 active electrode was instantly constructed, markedly reduced charge recombination compared alone. As result, considerably higher power conversion efficiency up 11.60%...
Carbon‐based hole transport material (HTM)‐free perovskite solar cells (PSCs) have shown much promise for practical applications because of their high stability and low cost. However, the efficiencies this kind PSCs are still relatively low, especially simplest paintable carbon‐based PSCs, in comparison with organic HTM‐based PSCs. This can be imputed to deposition methods that not very suitable devices. A solvent engineering strategy based on two‐step sequential method is exploited prepare...
Photoelectrochemical (PEC) solar water splitting represents a clean and sustainable approach for hydrogen (H2) production substantial research are being performed to improve the conversion efficiency. Hematite (α-Fe2O3) is considered as promising candidate PEC due its chemical stability, appropriate band structure, abundance. However, performance based on hematite hindered by short hole diffusion length that put constraint active layer thickness light absorption capability. In this work, we...
11.02% efficient perovskite solar cells are made by simply clamping electrodes and using candle soot for hole extraction.
Multilayered graphene and single-layered are assembled onto perovskite films in the form of Schottky junctions ohmic contacts, respectively, for production a graphene-based hole transporting material-free solar cell. extracts charge selectively efficiently, delivering higher efficiency 11.5% than (6.7%). As service to our authors readers, this journal provides supporting information supplied by authors. Such materials peer reviewed may be re-organized online delivery, but not copy-edited or...
Multi-walled carbon nanotubes enable fast charge transfer in perovskite solar cells and work up a high fill factor.
All-polymer solar cells based on a pair of crystalline low-bandgap polymers (NT and N2200) are demonstrated to achieve high short-circuit current density 11.5 mA cm-2 power conversion efficiency up 5.0% under the standard AM1.5G spectrum with one sun intensity. The performance these NT:N2200-based can be attributed low optical bandgaps reasonably balanced electron hole mobilities NT:N2200 blends due nature two polymers.
As one kind of promising next-generation photovoltaic devices, perovskite solar cells (PVSCs) have experienced unprecedented rapid growth in device performance over the past few years. However, practical applications PVSCs require much improved long-term stability and performance, internal defects external humidity sensitivity are two key limitation need to be overcome. Here, gadolinium fluoride (GdF3 ) is added into precursor as a redox shuttle growth-assist; meanwhile, aminobutanol vapor...
Compared to the conventional perovskite solar cells (PSCs) containing hole-transport materials (HTM), carbon based HTM-free PSCs (C-PSCs) have often suffered from inferior power conversion efficiencies (PCEs) arising at least partially inefficient hole extraction perovskite–carbon interface. Here, we show that boron (B) doping of multiwalled nanotubes (B-MWNTs) electrodes are superior in enabling enhanced and transport by increasing work function, carrier concentration, conductivity MWNTs....
Abstract Hybrid organic/inorganic perovskite solar cells have been rapidly evolving with spectacular successes in both nanostructured and thin‐film versions. Herein, we report the use of a simple sol–gel‐processed NiO nanocrystal (NC) layer as hole‐transport an inverted cell. The thin NC film faceted corrugated surface enabled formation continuous compact well‐crystallized CH 3 NH PbI two‐step solution process. hole‐extraction ‐transport capabilities this interfaced were higher than those...
Understanding the function of moisture on perovskite is challenging since random environmental strongly disturbs structure. Here, we develop various N2-protected characterization techniques to comprehensively study effect efficient cesium, methylammonium, and formamidinium triple-cation (Cs0.05FA0.75MA0.20)Pb(I0.96Br0.04)3. In contrast secondary measurements, established air-exposure-free allow us directly monitor influence during crystallization. We find a controllable treatment for...
Recently, surface passivation has been proved to be an essential approach for obtaining efficient and stable perovskite light-emitting diodes (Pero-LEDs). Phosphine oxides performed well as passivators in many reports. However, the most commonly used phosphine are insulators, which may inhibit carrier transport between emitter charge-transporter layers, limiting corresponding device performance. Here, 2,7-bis(diphenylphosphoryl)-9,9'-spirobifluorene (SPPO13), a conductive molecule with two...
Perovskite solar cells (PSCs) have demonstrated over 25% power conversion efficiency (PCE) via efficient surface passivation. Unfortunately, state-of-the-art perovskite post-treatment strategies can solely heal the top interface defects. Herein, an ion-diffusion management strategy is proposed to concurrently modulate interfaces, buried and bulk interfaces (i.e., grain boundaries) of film, enabling all-interface defect Specifically, this method enabled by applying double interactive salts...
Abstract To date, organic–inorganic hybrid perovskite solar cells (PSCs) have reached a certified efficiency of 25.7%, showing great potential in upscale industrial commercialization. However, huge obstacle facing the industrialization PSCs is decreased and long‐term stability when upscaling device area. overcome these issues, blade‐coating methods been developed to fabricate large‐area due their capability deposit uniform films. Ink engineering plays an important role blade‐coating,...
Constructing 2D/3D perovskite heterojunctions is effective for the surface passivation of solar cells (PSCs). However, previous reports that studying post-treatment only physically deposits 2D on 3D perovskite, and bulk remains defective. Herein, we propose Cl2-dissolved chloroform as a multifunctional solvent concurrently constructing heterojunction inducing secondary growth grains. The mechanism how Cl2 affects performance PSCs clarified. Specifically, dissolved reacts with leading to Cl/I...
This review provides fundamental knowledge of inorganic CsPbI 2 Br perovskites and up-to-date/cutting-edge in solar cell applications.
Abstract All-small-molecule organic solar cells with good batch-to-batch reproducibility combined non-halogen solvent processing show great potential for commercialization. However, of all-small-molecule are rarely reported and its power conversion efficiencies very difficult to improve. Herein, we designed synthesized a small molecule donor BM-ClEH that can take advantage strong aggregation property induced by intramolecular chlorine-sulfur non-covalent interaction improve molecular...