Well dispersed MoC quantum dots in ultrathin carbon films as efficient co-catalysts for photocatalytic H 2 evolution - Details

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Abstract：

As　a　promising　alternative　to　Pt,　molybdenum　carbides　have　been　widely　used　in　many　domains.　Herein,　we　develop　a　co-catalyst　with　a　2D　lamellar　structure,　in　which　MoC　quantum　dots　are　embedded　in　a　carbon　membrane　uniformly　(MoC-QDs/C).　With　the　introduction　of　MoC-QDs/C,　the　flower-like　MoC-QDs/C/ZnIn　2　S　4　composite　shows　an　unprecedented　enhancement　of　photocatalytic　performance,　compared　with　that　of　pure　ZnIn　2　S　4　.　The　optimal　hydrogen　generation　rate　of　MoC-QDs/C/ZnIn　2　S　4　is　almost　48　times　as　much　as　that　of　pure　ZnIn　2　S　4　.　Besides,　the　enhancement　mechanism　is　also　demonstrated　that　MoC-QDs/C　can　accelerate　carriers＇　separation　and　decrease　the　overpotential　of　hydrogen　evolution　effectively　during　the　photocatalytic　water　splitting　process.　Moreover,　this　study　not　only　provides　a　high-efficiency　and　potential　co-catalyst　for　photocatalytic　H　2　production,　but　also　is　expected　to　come　up　with　a　new　design　scheme　for　a　transition　metal　carbide-containing　co-catalyst.　©　2018　The　Royal　Society　of　Chemistry.

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[ 1 ] [Gao, F.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350116, China
[ 2 ] [Zhao, Y.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350116, China
[ 3 ] [Zhang, L.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350116, China
[ 4 ] [Wang, B.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350116, China
[ 5 ] [Wang, Y.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350116, China
[ 6 ] [Huang, X.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350116, China
[ 7 ] [Wang, K.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350116, China
[ 8 ] [Feng, W.]Hunan Provincial Collaborative Innovation Center for Environment and Energy Photocatalysis, Changsha University, Changsha, 410022, China
[ 9 ] [Liu, P.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350116, China

Reprint 's Address：

[Feng, W.]Hunan Provincial Collaborative Innovation Center for Environment and Energy Photocatalysis, Changsha UniversityChina

Email：

fengwenhui1991@126.com

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Source ：

Journal of Materials Chemistry A

ISSN： 2050-7488

Year： 2018

Issue： 39

Volume： 6

Page： 18979-18986

1 0 . 7 3 3

JCR@2018

1 0 . 8 0 0

JCR@2023

ESI HC Threshold：284

JCR Journal Grade：1

CAS Journal Grade：1

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WoS CC Cited Count：

SCOPUS Cited Count： 74

ESI Highly Cited Papers on the List： 0 Unfold All

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Chinese Cited Count：

30 Days PV： 0

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