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author:

Hayat, Asif (Hayat, Asif.) [1] | Raziq, Fazal (Raziq, Fazal.) [2] | Khan, Muhammad (Khan, Muhammad.) [3] | Ullah, Ikram (Ullah, Ikram.) [4] | Rahman, Mati Ur (Rahman, Mati Ur.) [5] | Khan, Wasim Ullah (Khan, Wasim Ullah.) [6] | Khan, Javid (Khan, Javid.) [7] | Ahmad, Akhlaq (Ahmad, Akhlaq.) [8]

Indexed by:

Scopus SCIE

Abstract:

In this work, we report the fabrication of polypyrrole/g-C3N4 (PPy/g-C3N4) nanocomposites via simple wet-chemical method. The photocatalytic activities of the composites are evaluated for water splitting to evolve H-2, Rhodamine B dye (RhB) and 2,4-dichlorophenol (2,4-DCP) degradation under visible-light. The results reveal that the photocatalytic performance of g-C3N4 for H-2 evolution, RhB dye and 2, 4-DCP degradation are significantly improved after coupling polypyrrole (PPy). Worth noting, the amount optimized (1 wt%PPy/g-C3N4) photocatalyst showed highest photoactivity compared to the other photocatalysts. Further, it is confirmed by means of radical trapping experiments that superoxide radical (O-2(center dot-)) is the dominant specie involved in the degradation of pollutants over PPy/g-C3N4 nano-composites. Moreover, clear photocatalytic reactions for H-2 evolution and pollutants degradation are proposed. This work would help us to deeply understand the reaction mechanism and will provide feasible routes to fabricate g-C3N4 based highly efficient photocatalysts for energy and environmental applications.

Keyword:

HER Photocatalysis Pollutants degradation polypyrrole/g-C3N4 Visible-light

Community:

  • [ 1 ] [Hayat, Asif]Fuzhou Univ, Coll Chem, Fuzhou 350100, Fujian, Peoples R China
  • [ 2 ] [Rahman, Mati Ur]Fuzhou Univ, Coll Chem, Fuzhou 350100, Fujian, Peoples R China
  • [ 3 ] [Raziq, Fazal]Univ Elect Sci & Technol China, Sch Phys, Chengdu 610054, Sichuan, Peoples R China
  • [ 4 ] [Khan, Muhammad]Northwestern Polytech Univ, Sch Mat Sci & Engn, Xian, Shaanxi, Peoples R China
  • [ 5 ] [Ullah, Ikram]Fuzhou Univ, Coll Chem Engn, Ctr Chem Fertilizer Catalyst, Natl Engn Res, Fuzhou 350002, Fujian, Peoples R China
  • [ 6 ] [Khan, Wasim Ullah]Sun Yat Sen Univ, Sch Chem, Guangzhou 510275, Guangdong, Peoples R China
  • [ 7 ] [Khan, Javid]Sun Yat Sen Univ, Sch Chem, Guangzhou 510275, Guangdong, Peoples R China
  • [ 8 ] [Ahmad, Akhlaq]Fuzhou Univ, Coll Chem, Fuzhou 350002, Fujian, Peoples R China

Reprint 's Address:

  • ASIF HAYAT

    [Hayat, Asif]Fuzhou Univ, Coll Chem, Fuzhou 350100, Fujian, Peoples R China;;[Khan, Javid]Sun Yat Sen Univ, Sch Chem, Guangzhou 510275, Guangdong, Peoples R China

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Source :

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY

ISSN: 1010-6030

Year: 2019

Volume: 379

Page: 88-98

3 . 3 0 6

JCR@2019

4 . 1 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

ESI HC Threshold:184

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 106

SCOPUS Cited Count: 112

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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