Yangfan Xu

ORCID: 0000-0002-4479-6157
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Research Areas
  • Advanced Photocatalysis Techniques
  • Perovskite Materials and Applications
  • Quantum Dots Synthesis And Properties
  • TiO2 Photocatalysis and Solar Cells
  • Copper-based nanomaterials and applications
  • Catalytic Processes in Materials Science
  • ZnO doping and properties
  • CO2 Reduction Techniques and Catalysts
  • Catalysis and Oxidation Reactions
  • Electrocatalysts for Energy Conversion
  • Gas Sensing Nanomaterials and Sensors
  • Covalent Organic Framework Applications
  • Advanced battery technologies research
  • Iron oxide chemistry and applications
  • biodegradable polymer synthesis and properties
  • Catalysts for Methane Reforming
  • Ammonia Synthesis and Nitrogen Reduction
  • Nanocomposite Films for Food Packaging
  • Advanced Nanomaterials in Catalysis
  • Cancer-related molecular mechanisms research
  • Conducting polymers and applications
  • Electrospun Nanofibers in Biomedical Applications
  • Metabolomics and Mass Spectrometry Studies
  • Solid-state spectroscopy and crystallography
  • Sulfur Compounds in Biology

China Medical University
2025

Minzu University of China
2025

Jingdezhen Ceramic Institute
2023-2024

Sun Yat-sen University
2014-2024

Central South University
2024

Hubei University
2015-2024

Qingdao University of Science and Technology
2021-2024

University of Toronto
2020-2024

Guangxi University
2020-2024

CCCC Wuhan Harbour Engineering Design and Research (China)
2024

Halide perovskite quantum dots (QDs), primarily regarded as optoelectronic materials for LED and photovoltaic devices, have not been applied photochemical conversion (e.g., water splitting or CO2 reduction) applications because of their insufficient stability in the presence moisture polar solvents. Herein, we report use CsPbBr3 QDs novel photocatalysts to convert into solar fuels nonaqueous media. Under AM 1.5G simulated illumination, steadily generated injected electrons CO2, catalyzing...

10.1021/jacs.7b00489 article EN Journal of the American Chemical Society 2017-04-07

Abstract Lead halide perovskite nanocrystals (NCs) have demonstrated great potential as appealing candidates for advanced optoelectronic applications. However, the toxicity of lead and intrinsic instability toward moisture hinder their mass production commercialization. Herein, to solve such thorny problems, novel lead‐free Cs 2 AgBiBr 6 double NCs fabricated via a simple hot‐injection method are reported, which exhibit impressive stability in moisture, light, temperature. Such materials...

10.1002/smll.201703762 article EN Small 2018-01-30

The proper energy band structure and excellent visible-light responses enable halide perovskites as potential photocatalysts for CO2 reduction, but the conversion efficiency is still low due to serious radiative recombination, capturing ability, poor stability. Here we illustrate design synthesis of a perovskite@metal–organic framework (MOF) composite photocatalyst with enhanced reduction activity. A facile in situ synthetic procedure employed directly grow zinc/cobalt-based zeolitic...

10.1021/acsenergylett.8b01658 article EN ACS Energy Letters 2018-10-04

Owing to the 3D scaffolds, porous nanosheets, and strong synergistic effect of Mo W atoms, Mo–W–P hybrid behaves as an efficient electrocatalyst for hydrogen evolution reaction.

10.1039/c5ee03801d article EN Energy & Environmental Science 2016-01-01

Hierarchical anatase TiO2 nano-architecture arrays consisting of long nanowire trunk and numerous short nanorod branches on transparent conductive fluorine-doped tin oxide glass are successfully synthesized for the first time through a facile one-step hydrothermal route without any surfactant template. Dye-sensitized solar cells based hierarchical array photoelectrode 18 μm in length shows power conversion efficiency 7.34% because its higher specific surface area adsorbing more dye molecules...

10.1038/srep01352 article EN cc-by-nc-nd Scientific Reports 2013-02-27

Nanostructured forms of stoichiometric In2O3 are proving to be efficacious catalysts for the gas-phase hydrogenation CO2. These conversions can facilitated using either heat or light; however, until now, limited optical absorption intensity evidenced by pale-yellow color has prevented use both together. To take advantage and light content solar energy, it would advantageous make indium oxide black. Herein, we present a synthetic route tune pitch black controlling its degree...

10.1038/s41467-020-16336-z article EN cc-by Nature Communications 2020-05-15

An unprecedented attempt was conducted on suitably functionalized integration of three-dimensional hyperbranched titania architectures for efficient multistack photoanode, constructed via layer-by-layer assembly hierarchical tree-like nanowires (underlayer), branched rambutan-like hollow submicrometer-sized spheres (intermediate layer), and urchin-like micrometer-sized (top layer). Owing to favorable charge-collection, superior light harvesting efficiency extended electron lifetime, the...

10.1021/ja5015635 article EN Journal of the American Chemical Society 2014-04-11

Great attention to cost‐effective high‐efficiency solar power conversion of trihalide perovskite cells (PSCs) has been hovering at high levels in the recent 5 years. Among PSC devices, admittedly, TiO 2 is most widely used electron transport layer (ETL); however, its low mobility which even less than that CH 3 NH PbI makes it not an ideal material. In principle, SnO with higher can be regarded as a positive alternative. Herein, nanocolloid sol ≈3 nm size synthesized 60 °C was spin‐coated...

10.1002/adfm.201501264 article EN Advanced Functional Materials 2015-11-02

A NiMoP<sub>2</sub> nanowire on carbon cloth enables an impressively high electrocatalytic activity towards the HER and OER in alkaline electrolyte.

10.1039/c6ta11188b article EN Journal of Materials Chemistry A 2017-01-01

A convenient and operable fabrication technique has been demonstrated for self-assembled vertically aligned anatase TiO2 nanowires on FTO glass with tunable length in the range of 15–55 μm multi-layered configuration photoanode based DSSCs application. 47 μm-long nanowire arrays attain a power conversion efficiency 9.40%, which is highest value array to date.

10.1039/c3ee42167h article EN Energy & Environmental Science 2013-11-12

A PSC based on 2% Nb-doped TiO<sub>2</sub> achieved a PCE of up to 16.3%, which is consistent with stabilized maximum power output 15.8%.

10.1039/c6ta00989a article EN Journal of Materials Chemistry A 2016-01-01

The cesium lead halide perovskite nanocrystal (NC) has shown admirable potential in promising optoelectronic applications. However, the notorious toxicity of severely hinders its further commercialization. Herein, we report facile synthesis a lead-free Cs2PdBr6 NC without assistance long-chain organic ligand. Such NCs with an average particle diameter 2.8 nm and thickness 1–2 unit cells possess narrow bandgap 1.69 eV outstanding stability toward light, humidity, heat, which enables it to be...

10.1021/acsenergylett.8b01770 article EN ACS Energy Letters 2018-10-02

In this report, a novel zero-dimensional CsPbBr3 nanocrystal (CsPbBr3 NC)/two-dimensional Pd nanosheet (Pd NS) composite photocatalyst is prepared to afford efficient and stable photocatalytic gaseous CO2 reduction in the presence of H2O vapor under visible light illumination. NS herein acts as an electron reservoir quickly separate electron–hole pairs NC through Schottky contact, provides ideal site for reactions. A highest consumption rate 33.79 μmol g–1 h–1 achieved by NC/Pd composite,...

10.1021/acsaem.8b01133 article EN ACS Applied Energy Materials 2018-08-28

Abstract Artificially photocatalytic reduction of CO 2 into valuable chemicals, responding to the call carbon neutral economy, has aroused considerable interests so far. Among those photocatalysts screened, an emerging and promising alternative inorganic CsPbBr 3 perovskite recently been reported. Here, attain preferable performance, amorphous‐TiO ‐encapsulated nanocrystal (CsPbBr NC/a‐TiO ) hybrid is demonstrated through a solution processing strategy. After optimizing a‐TiO matrix amount...

10.1002/admi.201801015 article EN Advanced Materials Interfaces 2018-09-11

We measure the stability and folding rate of a mutant enzyme phosphoglycerate kinase (PGK) inside bone tissue cells as function temperature from 38 to 48 °C. To facilitate measurement in individual living cells, we developed rapid laser stepping method capable measuring complete thermal melts kinetic traces about two min. find that this yields improved compared heating sample chamber or microscope stage. By comparing results for six with vitro data, show protein is stabilized by 6 kJ/mole...

10.1073/pnas.1201797109 article EN Proceedings of the National Academy of Sciences 2012-06-04

Akin to single-site homogeneous catalysis, a long sought-after goal is achieve reaction site precision in heterogeneous catalysis for chemical control over patterns of activity, selectivity and stability. Herein, we report on metal phosphides as class material capable realizing these attributes unlock their potential solar-driven CO2 hydrogenation. Selected an archetype, Ni12P5 affords structure based upon highly dispersed nickel nanoclusters integrated into phosphorus lattice that harvest...

10.1038/s41467-020-18943-2 article EN cc-by Nature Communications 2020-10-13

The vertically oriented anatase single crystalline TiO2 nanostructure arrays (TNAs) consisting of truncated octahedrons with exposed {001} facets or hierarchical nanotubes (HNTs) numerous nanocrystals on Ti-foil substrate were synthesized via a two-step hydrothermal growth process. first step reaction Ti foil and NaOH leads to the formation H-titanate nanowire arrays, which is further performed second obtain nanostructures such as nanoarrays assembly octahedral in presence NH4F aqueous walls...

10.1038/srep01892 article EN cc-by-nc-nd Scientific Reports 2013-05-29

A hierarchical composite catalyst constructed by anchoring CsPbBr<sub>3</sub> nanocrystals on a ZnO nanowire-branched macroporous graphene scaffold is synthesized for the efficient and selective photoreduction of CO<sub>2</sub> to CH<sub>4</sub>.

10.1039/c9ta03478a article EN Journal of Materials Chemistry A 2019-01-01

Photocleavage of H 2 O into clean and storable fuel by photoelectrochemical (PEC) cell is a vital part the sustainable hydrogen economy. However, thus far one limitations confronted PEC to preferable performance insufficient behavior photoanode for water oxidation half‐reaction. One strategies elevate integrating with an oxygen evolution catalyst (OEC) remove bottleneck kinetics. Herein, ultrafine cobalt iron oxide (CIO) nanocrystalline reported as novel OEC splitting. The CIO evenly...

10.1002/adfm.201600232 article EN Advanced Functional Materials 2016-04-18

Light-harvesting and charge collection have attracted increasing attention in the domain of photovoltaic cells, can be facilitated dramatically by appropriate design a photonic nanostructure. However, applicability current light-harvesting photoanode materials with single component and/or morphology (such as, particles, spheres, wires, sheets) is still limited drawbacks such as insufficient electron-hole separation light-trapping. Herein, we introduce universal method to prepare hierarchical...

10.1002/anie.201402371 article EN Angewandte Chemie International Edition 2014-03-26

Abstract Halide perovskite single-crystals have recently been widely highlighted to possess high light harvesting capability and superior charge transport behaviour, which further enable their attractive performance in photovoltaics. However, application photoelectrochemical cells has not yet reported. Here, a methylammonium lead bromide MAPbBr 3 single-crystal thin film is reported as photoanode with potential organic synthesis, 2,5-dimethoxy-2,5-dihydrofuran. Depositing an ultrathin Al 2 O...

10.1038/s41467-021-21487-8 article EN cc-by Nature Communications 2021-02-22
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