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author:

Sun, Ming -Hui (Sun, Ming -Hui.) [1] | Qi, Ming -Yu (Qi, Ming -Yu.) [2] | Tang, Zi-Rong (Tang, Zi-Rong.) [3] (Scholars:唐紫蓉) | Xu, Yi-Jun (Xu, Yi-Jun.) [4] (Scholars:徐艺军)

Indexed by:

EI Scopus SCIE

Abstract:

Simultaneously utilizing photoinduced electrons and holes to direct splitting of thiols into value-added disulfides and clean hydrogen (H2) fuels conforms the development standards of green chemistry. Herein, a cobalt phos-phate (Co-Pi) and reduced graphene oxide (GR) modified CdS photocatalyst is synthesized and utilized for photocatalytic selective conversion of 4-methoxythiophenol (4-MTP) to bis(4-methoxyphenyl) disulfide (4-MPD) coupled with H2 evolution. In this dual-cocatalyst system, Co-Pi effectively captures and releases the holes from CdS through the chemical state change of Co to accelerate the surface thiols oxidation reaction, while GR is used as an electron collector and an active site for the proton reduction to H2. Consequently, the bifunctional GR-CdS-(Co-Pi) photocatalyst demonstrates significantly higher photoactivity than blank CdS. This work affords a new paradigm of incorporating dual-cocatalysts with semiconductor photocatalysts to efficiently take advantage of the photoinduced electrons and holes for photoredox-catalyzed cooperative coupling of organic transformation and H2 evolution.

Keyword:

CdS Cobalt phosphate Coupling photoredox reaction Disulfide Hydrogen Reduced graphene oxide

Community:

  • [ 1 ] [Sun, Ming -Hui]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350116, Peoples R China
  • [ 2 ] [Qi, Ming -Yu]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350116, Peoples R China
  • [ 3 ] [Tang, Zi-Rong]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350116, Peoples R China
  • [ 4 ] [Xu, Yi-Jun]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350116, Peoples R China

Reprint 's Address:

  • [Tang, Zi-Rong]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350116, Peoples R China;;[Xu, Yi-Jun]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350116, Peoples R China;;

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Source :

APPLIED CATALYSIS B-ENVIRONMENTAL

ISSN: 0926-3373

Year: 2023

Volume: 321

2 0 . 3

JCR@2023

2 0 . 3 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

ESI HC Threshold:39

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 42

SCOPUS Cited Count: 44

ESI Highly Cited Papers on the List: 1 Unfold All

  • 2023-5

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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