Guangjin Zhang

ORCID: 0000-0002-1234-4252
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About
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Research Areas
  • Polyoxometalates: Synthesis and Applications
  • Advanced Photocatalysis Techniques
  • Electrocatalysts for Energy Conversion
  • Advanced Nanomaterials in Catalysis
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Advanced battery technologies research
  • Ammonia Synthesis and Nitrogen Reduction
  • Fuel Cells and Related Materials
  • Metal-Organic Frameworks: Synthesis and Applications
  • Nanocluster Synthesis and Applications
  • Electrochemical sensors and biosensors
  • Photochromic and Fluorescence Chemistry
  • CO2 Reduction Techniques and Catalysts
  • Covalent Organic Framework Applications
  • Electrochemical Analysis and Applications
  • Conducting polymers and applications
  • Vanadium and Halogenation Chemistry
  • Crystallography and molecular interactions
  • Catalytic Processes in Materials Science
  • Nanomaterials for catalytic reactions
  • Quantum Dots Synthesis And Properties
  • Gas Sensing Nanomaterials and Sensors
  • Copper-based nanomaterials and applications
  • Hydrogen Storage and Materials

University of Chinese Academy of Sciences
2019-2024

Institute of Process Engineering
2015-2024

Henan Polytechnic University
2024

China University of Geosciences
2009-2024

Chinese Academy of Sciences
2012-2023

Shandong Academy of Agricultural Machinery Sciences
2022

Ji Hua Laboratory
2021-2022

State Key Laboratory of Multiphase Complex Systems
2016-2021

Beijing Meteorological Bureau
2020

Constructor University
2016

One-dimensional (1-D) nanostructures are of great importance due to their superior charge transport properties. Anchoring 1-D semiconductor nanomaterials on graphene offers potential advantages in photoelectrochemical and sensing applications. This paper presents a systematic investigation the incorporation WO3 nanorods for high-efficiency visible-light-driven photocatalysis NO2 gas sensing. novel composite shows remarkably enhanced performance compared pure these The high photocatalytic...

10.1039/c2jm16709c article EN Journal of Materials Chemistry 2012-01-01

Abstract Electrocatalytic C−N bond coupling to convert CO 2 and N molecules into urea under ambient conditions is a promising alternative harsh industrial processes. However, the adsorption activation of inert gas then driving C–N reaction energetically challenging. Herein, novel Mott–Schottky Bi‐BiVO 4 heterostructures are described that realize remarkable yield rate 5.91 mmol h −1 g Faradaic efficiency 12.55 % at −0.4 V vs. RHE. Comprehensive analysis confirms emerging space–charge region...

10.1002/anie.202101275 article EN Angewandte Chemie International Edition 2021-02-26

Fuel cells and metal–air batteries will only become widely available in everyday life when the expensive platinum-based electrocatalysts used for oxygen reduction reactions are replaced by other efficient, low-cost stable catalysts. We report here use of nitrogen-doped graphdiyne as a metal-free electrode with comparable electrocatalytic activity to commercial Pt/C catalysts reaction alkaline fuel cells. Nitrogen-doped has better stability increased tolerance cross-over effect than conventional

10.1039/c4nr03185g article EN Nanoscale 2014-08-06

Abstract A green, facile, one‐pot synthesis of well‐defined Au NPs@POM–GNSs tricomponent nanohybrids is reported (POM stands for polyoxometalate and GNSs graphene nanosheets). The convenient, rapid environmentally friendly. POMs serve as both reducing, encapsulating molecules, bridging molecules; this avoids the introduction other organic toxic molecules. Characterization using transmission electron microscopy, X‐ray diffraction, photoelectron spectroscopy, Raman spectroscopy analysis...

10.1002/smll.201102298 article EN Small 2012-02-21

Electrocatalytic C-N coupling reaction by co-activation of both N2 and CO2 molecules under ambient conditions to synthesize valuable urea opens a new avenue for sustainable development, while the actual catalytic activity is limited poor adsorption capability gas on catalyst surface. Herein, theoretical calculation predicts that well-developed built-in electric field in perovskite hetero-structured BiFeO3/BiVO4 hybrids can accelerate local charge redistribution thus promote targeted...

10.1039/d1sc01467f article EN cc-by Chemical Science 2021-01-01

Precisely fabricated frustrated Lewis pairs in the Ni 3 (BO ) 2 nanocrystal achieve integration of active sites and effective electrocatalytic C–N bond coupling to synthesize urea.

10.1039/d1ee02485j article EN Energy & Environmental Science 2021-01-01

Radioresistance is one of the undesirable impediments in hypoxic tumors, which sharply diminishes therapeutic effectiveness radiotherapy and eventually results failure their treatments. An attractive strategy for attenuating radioresistance developing an ideal radiosensitization system with appreciable capacity to attenuate tumor hypoxia reinforce response tumors. Therefore, we describe development Gd-containing polyoxometalates-conjugated chitosan (GdW10@CS nanosphere) as a simultaneous...

10.1021/acsnano.7b03037 article EN ACS Nano 2017-06-22

A precisely fabricated conductive MOF incorporating unique host–guest interactions can be used to achieve active-site integration and effective electrocatalytic C–N bond coupling for the synthesis of urea.

10.1039/d1ee03918k article EN Energy & Environmental Science 2022-01-01

A bottom-up method is used to construct novel metal-free catalysts for deeper study of oxygen reduction reaction (ORR) catalysis. Through controlling the structural evolution a 2D covalent triazine-based framework, conductivity, nitrogen configurations, and multidoping structures as-prepared can be easily tuned, which makes great platform both studying mechanisms ORR optimizing performances catalysts. As service our authors readers, this journal provides supporting information supplied by...

10.1002/adma.201500863 article EN Advanced Materials 2015-04-11

A 3D configuration of high-quality graphene sheets and a polyoxometalate [H<sub>7</sub>P<sub>8</sub>W<sub>48</sub>O<sub>184</sub>]<sup>33−</sup> showing excellent hydrogen evolution activity at extremely low overpotential.

10.1039/c5ee03503a article EN Energy & Environmental Science 2015-12-18

N, F co-doped graphdiyne was synthesized, which showed comparable electrocatalytic activity to Pt/C for ORR.

10.1039/c5ta10579j article EN cc-by Journal of Materials Chemistry A 2016-01-01

Homogeneous coating of carbon nanotubes with metallic nanoparticles was achieved using supramolecular auto-organization amphiphilic molecules as template. The resulting Pd nanoparticles/carbon nanotube nanohybrids were then evaluated in electrocatalysis experiments, showing superior activity ethanol oxidation compared to analogous systems.

10.1021/ja8026373 article EN Journal of the American Chemical Society 2008-06-05

The heterostructured CoSe/MoSe<sub>2</sub> hybrids was fabricated by a non-metal induced growth method for efficient oxygen evolution reaction (OER).

10.1039/c8ta11976g article EN Journal of Materials Chemistry A 2019-01-01

CdS nanorods/reduced graphene oxide (RGO) composites were fabricated through a facile one-pot hydrothermal synthesis. The sample CdS/RGO-1% possesses excellent photocatalytic properties under visible light for the degradation of methyl orange with rate constant 1.76 × 10−2 min−1, which is about three times higher than that pure nanorods. novel composite material can also be used as an enzyme-free biosensor H2O2 based on its electrocatalytic behaviour. low-cost sensor shows rapid response and...

10.1039/c3ta00029j article EN Journal of Materials Chemistry A 2013-01-01

Novel Co atoms immobilized carbon nanotubes (CoSAs@CNTs) are synthesized by structural engineering of the zeolitic imidazolate framework (ZIF-67) upon treatment with dicyandiamide (DCD). A unique morphology and promising electrochemical performance shown CNTs. The electrocatalyst remarkably exhibits a highly positive onset potential 0.99 V half-wave 0.86 V, both even more than commercial Pt/C catalyst, current density is also greater that catalyst in alkaline media. decent observed acidic...

10.1021/acsaem.8b00490 article EN ACS Applied Energy Materials 2018-06-28

A facile strategy is adopted to synthesize bismuth nanostructure for efficient CO<sub>2</sub> electroreduction formate.

10.1039/c9nr01094g article EN Nanoscale 2019-01-01

Electrochemical sensors for detecting micromolecule organics are desirable improving the perception of environmental quality and human health. However, currently, electrochemical formaldehyde substantially limited on market due to long-term unsolved problems low electrooxidation efficiency CO poisoning issue commercial Pd catalysts. Here, a 2D Cr-doped metallene (Cr-Pdene) with few atomic layers is shown as an advanced catalyst ultrasensitive selective sensing via highly efficient...

10.1002/adma.202105276 article EN Advanced Materials 2021-11-05

Abstract Electrocatalytic C−N bond coupling to convert CO 2 and N molecules into urea under ambient conditions is a promising alternative harsh industrial processes. However, the adsorption activation of inert gas then driving C–N reaction energetically challenging. Herein, novel Mott–Schottky Bi‐BiVO 4 heterostructures are described that realize remarkable yield rate 5.91 mmol h −1 g Faradaic efficiency 12.55 % at −0.4 V vs. RHE. Comprehensive analysis confirms emerging space–charge region...

10.1002/ange.202101275 article EN Angewandte Chemie 2021-02-26

Polyoxometalate (POM) based binary and ternary hybrids, including the combination of POMs, semiconductors, nanostructured carbon (carbon nanotube (CNT), graphene, dots et al.) metal nanoparticles (MNPs), are key materials in photoelectrocatalysis. POM play a role constructing nanohybrids contributing to their photoelectrochemical catalytic properties. These composites combine properties from two or three functional nanoscale materials, resulting wider range applications, catalysis, energy...

10.26599/pom.2023.9140037 article EN cc-by Polyoxometalates 2023-09-26

WO3 and TiO2 colloids were synthesized by the forced hydrolysis technique, different amounts of added to under sonication get stable combined (WO3/TiO2). The experimental results indicate that UV-light coloration can be improved greatly after combination. When molar ratio is about 1:40, ΔOD at 900 nm for WO3/TiO2 12.7 times colloids. improvement effect increases with increased concentration in composite colloids, maximum enhancement increase more than 50-fold. It shown combination,...

10.1021/jp026031t article EN The Journal of Physical Chemistry B 2002-11-16

The molecular recognition of polyoxometalates by human serum albumin is studied using two different (POMs) at pH 7.5. results are compared with those obtained 3.5 and 9.0. At 7.5, both POMs strongly interact the protein binding behaviors. Keggin shaped POM, [H2W12O40]6- (H2W12), specifically binds protein, forming a complex 1:1 stoichiometry Ka = 2.9 × 106 M-1. constant decreased dramatically increase ionic strength, thus indicating mostly electrostatic process. Isothermal titration...

10.1021/jp072947u article EN The Journal of Physical Chemistry B 2007-09-01

Binding human serum albumin (HSA) of three polyoxometalates (POMs) with the Wells−Dawson structure, α2-[P2W17O61]10− (abbreviated as α2-P2W17) and two its metal-substituted derivatives, α2-[NiP2W17O61]8− α2-[CuP2W17O61]8− (α2-P2W17Ni α2-P2W17Cu, respectively) was studied in an aqueous medium at pH 7.5. Fluorescence quenching, circular dichroism (CD), thermal denaturation, isothermal titration calorimetry (ITC) were used for this purpose. The results compared those obtained previously Keggin...

10.1021/bm701120j article EN Biomacromolecules 2008-02-12
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