- Advanced Photocatalysis Techniques
- Electrocatalysts for Energy Conversion
- Ammonia Synthesis and Nitrogen Reduction
- Catalytic Processes in Materials Science
- Nanomaterials for catalytic reactions
- MXene and MAX Phase Materials
- 2D Materials and Applications
- Metal-Organic Frameworks: Synthesis and Applications
- Perovskite Materials and Applications
- Copper-based nanomaterials and applications
- Advanced battery technologies research
- TiO2 Photocatalysis and Solar Cells
- Quantum Dots Synthesis And Properties
- Conducting polymers and applications
- Spectroscopy Techniques in Biomedical and Chemical Research
- Advanced Nanomaterials in Catalysis
- Electrochemical Analysis and Applications
- Hydrogen Storage and Materials
- Caching and Content Delivery
- Covalent Organic Framework Applications
- Advanced biosensing and bioanalysis techniques
- Thermal properties of materials
- Molecular Junctions and Nanostructures
- CO2 Reduction Techniques and Catalysts
- Nanocluster Synthesis and Applications
University of Science and Technology Beijing
2019-2025
Tianjin University
2023
Nanyang Technological University
2015-2020
Singapore Polytechnic
2018
Beijing Jiaotong University
2011-2017
Chinese Academy of Sciences
2005-2017
Changchun Institute of Optics, Fine Mechanics and Physics
2005-2015
University of California, Riverside
2013-2015
Beijing Institute of Optoelectronic Technology
2014
State Key Laboratory of Applied Optics
2011
Hydrogen (H 2 ) is one of the most important clean and renewable energy sources for future sustainability. Nowadays, photocatalytic electrocatalytic hydrogen evolution reactions (HERs) from water splitting are considered as two efficient methods to convert sustainable carrier, H . Catalysts based on transition metal dichalcogenides (TMDs) recognized greatly promising substitutes noble‐metal‐based catalysts HER. The activities TMD nanosheets HER can be further improved after hybridization...
A facile surfactant-assisted bottom-up synthetic method to prepare a series of freestanding ultrathin 2D M-TCPP (M = Zn, Cu, Cd or Co, TCPP tetrakis(4-carboxyphenyl)porphyrin) nanosheets with thickness sub-10 nm is developed. As proof-of-concept application, some them are successfully used as new platforms for DNA detection. The Cu-TCPP nanosheet-based sensor shows excellent fluorescent sensing performance and the simultaneous detection multiple targets. service our authors readers, this...
Two-dimensional (2D) metal–organic framework (MOF) nanosheets are attracting increasing research interest. Here, for the first time, we report facile synthesis of 2D porphyrin paddlewheel framework-3 (PPF-3) MOF with thickness ca. 12–43 nm. Through simultaneous sulfidation and carbonization PPF-3 nanosheets, have prepared nanocomposite CoS1.097 nanoparticles (NPs) nitrogen-doped carbon, referred to as CoSNC, in which NPs size 10 nm embedded carbon matrix. As a proof-of-concept application,...
With the bioinspired design of organic ligands and metallic nodes, novel ultrathin 2D bimetallic metal–organic-framework nanosheets are successfully synthesized, which can serve as advanced biomimetic nanomaterials to mimic heme proteins. As a service our authors readers, this journal provides supporting information supplied by authors. Such materials peer reviewed may be re-organized for online delivery, but not copy-edited or typeset. Technical support issues arising from (other than...
Inspired by the multiple functions of natural multienzyme systems, a new kind hybrid nanosheet is designed and synthesized, i.e., ultrasmall Au nanoparticles (NPs) grown on 2D metalloporphyrinic metal‐organic framework (MOF) nanosheets. Since MOF nanosheets can act as peroxidase mimics NPs serve artificial glucose oxidase, are used to mimic enzymes catalyze cascade reactions. Furthermore, synthesized detect biomolecules, such glucose. This study paves avenue design nanomaterial‐based...
Two-dimensional (2D) metal–organic framework (MOF) nanosheets are attracting increasing research interest due to their unique properties originating from ultrathin thickness and large surface area with highly accessible active sites. Here, the aim is provide recent advances in synthesis of 2D MOF by using top-down bottom-up methods, including sonication exfoliation, interfacial synthesis, three-layer surfactant-assisted methods. In addition, progress 2D-MOF-nanosheet-based nanocomposites...
A non-noble metal based 3D porous electrocatalyst is prepared by self-assembly of the liquid-exfoliated single-layer CoAl-layered double hydroxide nanosheets (CoAl-NSs) onto graphene network, which exhibits higher catalytic activity and better stability for electrochemical oxygen evolution reaction compared to commercial IrO2 nanoparticle-based electrocatalyst.
Five-fold-twinned PtCu nanoframes (NFs) with nanothorns protruding from their edges are synthesized by a facile one-pot method. Compared to commercial Pt/C catalyst, the obtained highly anisotropic five-fold-twinned NFs show enhanced electrocatalytic performance toward oxygen reduction reaction and methanol oxidation under alkaline conditions.
Abstract Similar to heterostructures composed of different materials, possessing unique properties due the synergistic effect between components, crystal‐phase heterostructures, one variety hetero‐phase structures, crystal phases in monometallic nanomaterials are herein developed, order explore crystal‐phase‐based applications. As novel amorphous/crystalline highly desired, since they often exhibit properties, and hold promise various applications, but these structures have rarely been...
Abstract 2D layered nanomaterials as photocatalysts have attracted much attention in the field of solar hydrogen production due to their unique electronic structure and abundant active sites. Nevertheless, rational design interfacial regulation Z‐scheme heterojunction are still challenging. Herein, an ultrathin ZnIn 2 S 4 /g‐C 3 N is precisely constructed via in‐situ growth on g‐C . By carefully regulating interface heterojunction, evolution performance can be greatly improved. The optimized...
Understanding the reaction mechanism for catalytic process is essential to rational design and synthesis of highly efficient catalysts. MoS2 has been reported be an catalyst toward electrochemical hydrogen evolution (HER), but it still lacks direct experimental evidence reveal MoS2-catalyzed HER at atomic level. In this work, we develop a wet-chemical synthetic method prepare single-layer MoS2-coated polyhedral Ag core–shell heterostructure (Ag@MoS2) with tunable sizes as catalysts HER. The...
Abstract Two‐dimensional (2D) organic–inorganic hybrid perovskite nanosheets (NSs) are attracting increasing research interest due to their unique properties and promising applications. Here, for the first time, we report facile synthesis of single‐ few‐layer free‐standing phenylethylammonium lead halide NSs, that is, (PEA) 2 PbX 4 (PEA=C 8 H 9 NH 3 , X=Cl, Br, I). Importantly, lateral size can be tuned by changing solvents. Moreover, these ultrathin 2D NSs exhibit highly efficient tunable...
High-yield preparation of ultrathin two-dimensional (2D) nanosheets is great importance for the further exploration their unique properties and promising applications. Herein, first time, high-yield scalable production 2D ternary chalcogenide nanosheets, including Ta2NiS5 Ta2NiSe5, in solution achieved by exfoliating layered microflakes. The size resulting ranges from tens nanometers to few micrometers. Importantly, yield single-layer very high, ca. 86%. As a proof-of-concept application,...
Hydrogels that electronically respond to mechanical changes can be used as strain sensors. However, these systems usually require external power convert in into electrical signals. Here, a self-powered sensor is developed based on gelatin-based hydrogel and galvanic cell. In the matrix, hydrophobic interactions hydrogen bonding between tannic acid gelatin give prepared great potential for elongation (1600%). The also has rapid self-healing ability (within 0.65 s) high efficiency (95%)....
Biosensors are powerful tools used to monitor biological and biochemical processes, ranging from clinical diagnosis disease therapy. The huge demands for bioassays greatly promote the development of new nanomaterials as sensing platforms. Two-dimensional (2D) with superior properties, such large surface areas excellent conductivities, candidates biosensor applications. Among them, single- or few-layered transition metal dichalcogenide (TMD) represent an emerging class 2D unique physical,...
Ligand-free rutile and anatase TiO<sub>2</sub>nanocrystals were synthesized<italic>via</italic>a hydrolytic sol–gel method. The improved power conversion efficiency was achieved by using as electron extraction layer in the organic solar cells.
Recently, crystal-phase engineering has been emerging as a promising strategy to tune the physicochemical properties of noble metal catalysts and further improve their catalytic performance. However, synthesis with an unconventional crystal phase well desired composition morphology still remains great challenge. Herein, series PdM (M = Zn, Cd, ZnCd) nanosheets (NSs) thickness less than 5 nm have synthesized via facile one-pot wet-chemical method. In particular, different from conventional...
Electrocatalytic nitrate reduction reaction (NO3RR) affords a bifunctional character in the carbon-free ammonia synthesis and remission of pollution water. Here, we fabricated Co3O4 nanosheet array with cobalt vacancies on carbon cloth (vCo-Co3O4/CC) by situ etching aluminum-doped Co3O4/CC, which exhibits an excellent Faradaic efficiency 97.2% large NH3 yield as high 517.5 μmol h-1 cm-2, better than pristine Co3O4/CC. Theoretical calculative results imply that can tune local electronic...
Electrocatalytic nitrate (NO3-) reduction to ammonia (NRA) has emerged as an alternative strategy for effluent treatment and production. Despite significant advancements that have been achieved in this field, the efficient conversion of low-concentration at low overpotential remains a formidable challenge. This challenge stems from sluggish reaction kinetics caused by limited distribution negatively charged NO3- vicinity working electrode competing side reactions. Here, pulsed potential...