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author:

Xu, Guilan (Xu, Guilan.) [1] | Shen, Jianchen (Shen, Jianchen.) [2] | Chen, Shumei (Chen, Shumei.) [3] (Scholars:陈淑妹) | Gao, Yujie (Gao, Yujie.) [4] | Zhang, Huabin (Zhang, Huabin.) [5] | Zhang, Jian (Zhang, Jian.) [6]

Indexed by:

Scopus SCIE

Abstract:

Graphitic carbon nitride (g-C3N4) is an actively investigated metal-free photocatalyst for solar energy conversion. However, primary g-C3N4 usually exhibits limited utilization of visible light and fast combination of photoexcited charge carriers, resulting in low photocatalytic H-2 evolution activity. Defect-modified g-C3N4 shows much enhanced photocatalytic H-2 evolution activity owing to extended light absorption as well as efficient charge separation and transfer. Here, the photocatalyst simultaneously containing nitrogen vacancies and O-doping is successfully developed by using a two-step post-synthetic strategy for photocatalytic H-2 evolution, resulting in a greatly-boosted H-2 evolution activity (1.69 x 10(3) mol g(-1) h(-1)) compared with that of pristine g-C3N4 (1.12 x 10(2) mol g(-1) h(-1)). It is believed that the newly developed double-defect strategy may open an avenue toward obtaining molecular level comprehension of the function of a catalyst in photocatalytic H-2 evolution and can be extended to the modification of other semiconductors.

Keyword:

Community:

  • [ 1 ] [Xu, Guilan]Fuzhou Univ, Coll Chem, Fuzhou 350108, Fujian, Peoples R China
  • [ 2 ] [Shen, Jianchen]Fuzhou Univ, Coll Chem, Fuzhou 350108, Fujian, Peoples R China
  • [ 3 ] [Chen, Shumei]Fuzhou Univ, Coll Chem, Fuzhou 350108, Fujian, Peoples R China
  • [ 4 ] [Gao, Yujie]Fuzhou Univ, Coll Chem, Fuzhou 350108, Fujian, Peoples R China
  • [ 5 ] [Xu, Guilan]Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Fujian, Peoples R China
  • [ 6 ] [Shen, Jianchen]Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Fujian, Peoples R China
  • [ 7 ] [Gao, Yujie]Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Fujian, Peoples R China
  • [ 8 ] [Zhang, Jian]Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Fujian, Peoples R China
  • [ 9 ] [Zhang, Huabin]Nanyang Technol Univ, Sch Chem & Biomed Engn, 62 Nanyang Dr, Singapore 637459, Singapore

Reprint 's Address:

  • [Zhang, Jian]Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Fujian, Peoples R China;;[Zhang, Huabin]Nanyang Technol Univ, Sch Chem & Biomed Engn, 62 Nanyang Dr, Singapore 637459, Singapore

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Source :

PHYSICAL CHEMISTRY CHEMICAL PHYSICS

ISSN: 1463-9076

Year: 2018

Issue: 25

Volume: 20

Page: 17471-17476

3 . 5 6 7

JCR@2018

2 . 9 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

ESI HC Threshold:209

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 28

SCOPUS Cited Count: 27

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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