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author:

Liang, Shijing (Liang, Shijing.) [1] (Scholars:梁诗景) | Zhou, Zhouming (Zhou, Zhouming.) [2] | Wu, Xiuqin (Wu, Xiuqin.) [3] | Zhu, Shuying (Zhu, Shuying.) [4] (Scholars:祝淑颖) | Bi, Jinhong (Bi, Jinhong.) [5] (Scholars:毕进红) | Zhou, Limin (Zhou, Limin.) [6] | Liu, Minghua (Liu, Minghua.) [7] | Wu, Ling (Wu, Ling.) [8] (Scholars:吴棱)

Indexed by:

Scopus SCIE

Abstract:

MoS2 quantum dots (QDs)/CdS core/shell nanospheres with a hierarchical heterostructure have been prepared by a simple microwave hydrothermal method. The as-prepared samples are characterized by XRD, TEM, SEM, UV-VIS diffuse reflectance spectra (DRS) and N-2-sorption in detail. The photocatalytic activities of the samples are evaluated by water splitting into hydrogen. Results show that the as-prepared MoS2 QDs/CdS core/shell nanospheres with a diameter of about 300 nm are composed of the shell of CdS nanorods and the core of MoS2 QDs. For the photocatalytic reaction, the samples exhibit a high stability of the photocatalytic activity and a much higher hydrogen evolution rate than the pure CdS, the composite prepared by a physical mixture, and the Pt-loaded CdS sample. In addition, the stability of CdS has also been greatly enhanced. The effect of the reaction time on the formations of nanospheres, the photoelectric properties and the photocatalytic activities of the samples has been investigated. Finally, a possible photocatalytic reaction process has also been proposed.

Keyword:

CdS-based composite core-shell structure MoS2 QDs photocatalysis water splitting

Community:

  • [ 1 ] [Liang, Shijing]Fuzhou Univ, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350002, Peoples R China
  • [ 2 ] [Zhu, Shuying]Fuzhou Univ, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350002, Peoples R China
  • [ 3 ] [Bi, Jinhong]Fuzhou Univ, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350002, Peoples R China
  • [ 4 ] [Liu, Minghua]Fuzhou Univ, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350002, Peoples R China
  • [ 5 ] [Wu, Ling]Fuzhou Univ, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350002, Peoples R China
  • [ 6 ] [Liang, Shijing]Fuzhou Univ, Coll Environm & Resource, Dept Environm Sci & Engn, Minhou 350108, Fujian, Peoples R China
  • [ 7 ] [Zhou, Zhouming]Fuzhou Univ, Coll Environm & Resource, Dept Environm Sci & Engn, Minhou 350108, Fujian, Peoples R China
  • [ 8 ] [Wu, Xiuqin]Fuzhou Univ, Coll Environm & Resource, Dept Environm Sci & Engn, Minhou 350108, Fujian, Peoples R China
  • [ 9 ] [Bi, Jinhong]Fuzhou Univ, Coll Environm & Resource, Dept Environm Sci & Engn, Minhou 350108, Fujian, Peoples R China
  • [ 10 ] [Liu, Minghua]Fuzhou Univ, Coll Environm & Resource, Dept Environm Sci & Engn, Minhou 350108, Fujian, Peoples R China
  • [ 11 ] [Liang, Shijing]Hong Kong Polytech Univ, Dept Mech Engn, Kowloon, Hong Kong, Peoples R China
  • [ 12 ] [Zhou, Limin]Hong Kong Polytech Univ, Dept Mech Engn, Kowloon, Hong Kong, Peoples R China

Reprint 's Address:

  • 梁诗景

    [Liang, Shijing]Fuzhou Univ, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350002, Peoples R China;;[Liang, Shijing]Fuzhou Univ, Coll Environm & Resource, Dept Environm Sci & Engn, Minhou 350108, Fujian, Peoples R China;;[Liang, Shijing]Hong Kong Polytech Univ, Dept Mech Engn, Kowloon, Hong Kong, Peoples R China

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Source :

MOLECULES

ISSN: 1420-3049

Year: 2016

Issue: 2

Volume: 21

2 . 8 6 1

JCR@2016

4 . 2 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

ESI HC Threshold:235

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 34

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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