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Author:

Zong, Xupeng (Zong, Xupeng.) | Niu, Lijuan (Niu, Lijuan.) | Jiang, Wenshuai (Jiang, Wenshuai.) | Yu, Yanmin (Yu, Yanmin.) | An, Li (An, Li.) | Qu, Dan (Qu, Dan.) | Wang, Xiayan (Wang, Xiayan.) | Sun, Zaicheng (Sun, Zaicheng.) (Scholars:孙再成)

Indexed by:

EI Scopus SCIE

Abstract:

Building a donor-acceptor (D-A) type polymeric carbon nitride is a promising way for synthesizing high-performance photocatalysts. Compared with introducing an acceptor unit, incorporating donor blocks can effectively extend the absorption range without altering H-2 production sites. Herein, we report a facile method to construct a D-A structure by introducing the creatinine-derived moiety (CDM) into melem networks via copolymerization of creatinine and urea. CDM units arouse a new absorption band at 500 nm and result in the LUMO and HOMO distribute at melem and CDM unit, which promotes the charge spatial separation. The optimal photocatalytic activity of 9454 mu molg(-1) h(-1) can be achieved. That does not only improve the apparent quantum yield (AQE) at 420 nm from 3.80 % to 8.41 % but also raises the AQE at 500 nm from 0.71 % to 4.57 %. This strategy provides the potential to extend the further visible light response with a decent performance.

Keyword:

g-C3N4 Photocatalysis H-2 production Donor-acceptor Creatinine

Author Community:

  • [ 1 ] [Zong, Xupeng]Beijing Univ Technol, Ctr Excellence Environm Safety & Biol Effects, Dept Chem & Biol, Beijing Key Lab Green Catalysis & Separat, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 2 ] [Niu, Lijuan]Beijing Univ Technol, Ctr Excellence Environm Safety & Biol Effects, Dept Chem & Biol, Beijing Key Lab Green Catalysis & Separat, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 3 ] [Jiang, Wenshuai]Beijing Univ Technol, Ctr Excellence Environm Safety & Biol Effects, Dept Chem & Biol, Beijing Key Lab Green Catalysis & Separat, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 4 ] [Yu, Yanmin]Beijing Univ Technol, Ctr Excellence Environm Safety & Biol Effects, Dept Chem & Biol, Beijing Key Lab Green Catalysis & Separat, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 5 ] [An, Li]Beijing Univ Technol, Ctr Excellence Environm Safety & Biol Effects, Dept Chem & Biol, Beijing Key Lab Green Catalysis & Separat, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 6 ] [Qu, Dan]Beijing Univ Technol, Ctr Excellence Environm Safety & Biol Effects, Dept Chem & Biol, Beijing Key Lab Green Catalysis & Separat, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 7 ] [Wang, Xiayan]Beijing Univ Technol, Ctr Excellence Environm Safety & Biol Effects, Dept Chem & Biol, Beijing Key Lab Green Catalysis & Separat, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 8 ] [Sun, Zaicheng]Beijing Univ Technol, Ctr Excellence Environm Safety & Biol Effects, Dept Chem & Biol, Beijing Key Lab Green Catalysis & Separat, 100 Pingleyuan, Beijing 100124, Peoples R China

Reprint Author's Address:

  • 孙再成

    [Qu, Dan]Beijing Univ Technol, Ctr Excellence Environm Safety & Biol Effects, Dept Chem & Biol, Beijing Key Lab Green Catalysis & Separat, 100 Pingleyuan, Beijing 100124, Peoples R China;;[Sun, Zaicheng]Beijing Univ Technol, Ctr Excellence Environm Safety & Biol Effects, Dept Chem & Biol, Beijing Key Lab Green Catalysis & Separat, 100 Pingleyuan, Beijing 100124, Peoples R China

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Source :

APPLIED CATALYSIS B-ENVIRONMENTAL

ISSN: 0926-3373

Year: 2021

Volume: 291

2 2 . 1 0 0

JCR@2022

ESI Discipline: CHEMISTRY;

ESI HC Threshold:96

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count: 52

SCOPUS Cited Count: 59

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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