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作者:

Lan, Meng (Lan, Meng.) | Guo, Rui-Mei (Guo, Rui-Mei.) | Dou, Yibo (Dou, Yibo.) | Zhou, Jian (Zhou, Jian.) (学者:周剑) | Zhou, Awu (Zhou, Awu.) | Li, Jian-Rong (Li, Jian-Rong.) (学者:李建荣)

收录:

EI Scopus SCIE

摘要:

Porous Pt-doping heterojunctions, Pt-ZnO-Co3O4, Pt-ZnS-CoS, and Pt-Zn3P2-CoP were fabricated by firstly the oxidation, sulfurization, and phosphorization of ZnCo-zeolitic-imidazolate-framework 9ZnCo-ZIF) and then the doping of Pt nanoparticles. They exhibit excellent photocatalytic activity towards hydrogen generation from water splitting. These bimetallic metal-organic-framework 9MOF) derivatives maintain the porous framework skeleton of ZnCo-ZIF precursor, there by significantly enhancing the light utilization and simultaneously affording abundant exposed catalytic active sites. Most importantly, suitable band matching and strong electron coupling in these heterojunctions are achieved by using the bimetallic MOF template, which facilitate the efficient electron-hole separation and transportation. In addition, Pt nanoparticles distributed on the porous heterojunctions as electron traps can offer rich redox active sites for the hydrogen generation. Correspondingly, the hydrogen generation rate of Pt-ZnO-Co3O4, Pt-ZnS-CoS, and Pt-Zn3P2-CoP was up to similar to 7.80, similar to 8.21, and similar to 9.15 mmol h(-1) g(-1) , respectively, higher than those of respective ZIF-8 or ZIF-67-based derivatives. This work thus provides a new approach that using bimetallic MOF as template directs the fabrication of noble-metal doping heterojunctions to simultaneously enhance light absorption utilization, electro-hole separation, and transport, therefore promoting surface water oxidation reaction for efficient water splitting.

关键词:

Bimetallic metal-organic-framework template Photocatalysis Pt-doping heterojunction Hydrogen generation Water splitting

作者机构:

  • [ 1 ] [Lan, Meng]Beijing Univ Technol, Coll Environm & Energy Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China
  • [ 2 ] [Guo, Rui-Mei]Beijing Univ Technol, Coll Environm & Energy Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China
  • [ 3 ] [Dou, Yibo]Beijing Univ Technol, Coll Environm & Energy Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China
  • [ 4 ] [Zhou, Jian]Beijing Univ Technol, Coll Environm & Energy Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China
  • [ 5 ] [Zhou, Awu]Beijing Univ Technol, Coll Environm & Energy Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China
  • [ 6 ] [Li, Jian-Rong]Beijing Univ Technol, Coll Environm & Energy Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China
  • [ 7 ] [Lan, Meng]Beijing Univ Technol, Dept Chem & Chem Engn, Beijing 100124, Peoples R China
  • [ 8 ] [Guo, Rui-Mei]Beijing Univ Technol, Dept Chem & Chem Engn, Beijing 100124, Peoples R China
  • [ 9 ] [Dou, Yibo]Beijing Univ Technol, Dept Chem & Chem Engn, Beijing 100124, Peoples R China
  • [ 10 ] [Zhou, Jian]Beijing Univ Technol, Dept Chem & Chem Engn, Beijing 100124, Peoples R China
  • [ 11 ] [Zhou, Awu]Beijing Univ Technol, Dept Chem & Chem Engn, Beijing 100124, Peoples R China
  • [ 12 ] [Li, Jian-Rong]Beijing Univ Technol, Dept Chem & Chem Engn, Beijing 100124, Peoples R China

通讯作者信息:

  • 李建荣

    [Dou, Yibo]Beijing Univ Technol, Coll Environm & Energy Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China;;[Li, Jian-Rong]Beijing Univ Technol, Coll Environm & Energy Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China;;[Dou, Yibo]Beijing Univ Technol, Dept Chem & Chem Engn, Beijing 100124, Peoples R China;;[Li, Jian-Rong]Beijing Univ Technol, Dept Chem & Chem Engn, Beijing 100124, Peoples R China

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来源 :

NANO ENERGY

ISSN: 2211-2855

年份: 2017

卷: 33

页码: 238-246

1 7 . 6 0 0

JCR@2022

ESI学科: MATERIALS SCIENCE;

ESI高被引阀值:287

中科院分区:1

被引次数:

WoS核心集被引频次: 201

SCOPUS被引频次: 206

ESI高被引论文在榜: 0 展开所有

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中文被引频次:

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