Photoredox dual reaction for selective alcohol oxidation and hydrogen evolution over nickel surface-modified ZnIn2S4 - Details

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Abstract：

The　photocatalytic　coupling　reaction　can　be　conducted　in　one　pot　to　realize　the　simultaneous　utilization　of　electrons　and　holes,　thereby　obtaining　value-added　fine　chemicals　and　fuels.　Herein,　we　report　a　binary　nickel　modified　ZnIn2S4　(Ni:ZIS)　for　highly　efficient　photocatalytic　selective　oxidation　of　benzyl　alcohol　(BA)　to　benzaldehyde　(BAD)　integrated　with　hydrogen　(H2)　evolution,　in　which　Ni　can　promote　photogenerated　charge　transfer　for　enhancing　photoactivity.　Particularly,　the　products　of　converting　BA　to　aromatic　compounds　over　blank　ZnIn2S4　(ZIS)　and　Ni:ZIS　show　a　marked　difference　under　the　same　reaction　conditions.　Hydrobenzoin　(HB)　is　the　primary　product　over　blank　ZIS.　After　the　introduction　of　Ni,　the　formation　of　HB　is　dramatically　suppressed,　resulting　in　higher　selectivity　of　BAD,　because　the　introduction　of　Ni　facilitates　the　α-H　abstraction.　In　addition,　an　analogous　phenomenon　has　been　observed　on　Ni-based　compounds　modified　ZIS,　such　as　NixP　and　NiS.　It　is　hoped　that　this　work　would　provide　a　feasible　paradigm　for　modifying　the　surface　of　photocatalysts　to　tune　the　selectivity　of　product-oriented　alcohols　oxidation　coupled　with　H2　evolution　in　water.　©　2020　Elsevier　B.V.

Keyword：

Nickel; Product-oriented; Radical mechanism; Selective oxidation; Surface-modified

Community：

[ 1 ] [Lin, Q.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
[ 2 ] [Lin, Q.]College of Chemistry, New Campus, Fuzhou University, Fuzhou, 350116, China
[ 3 ] [Li, Y.-H.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
[ 4 ] [Li, Y.-H.]College of Chemistry, New Campus, Fuzhou University, Fuzhou, 350116, China
[ 5 ] [Qi, M.-Y.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
[ 6 ] [Qi, M.-Y.]College of Chemistry, New Campus, Fuzhou University, Fuzhou, 350116, China
[ 7 ] [Li, J.-Y.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
[ 8 ] [Li, J.-Y.]College of Chemistry, New Campus, Fuzhou University, Fuzhou, 350116, China
[ 9 ] [Tang, Z.-R.]College of Chemistry, New Campus, Fuzhou University, Fuzhou, 350116, China
[ 10 ] [Anpo, M.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
[ 11 ] [Anpo, M.]Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, Osaka, 599-8531, Japan
[ 12 ] [Yamada, Y.M.A.]RIKEN Center for Sustainable Resource Science, Hirosawa, Wako, Saitama 351-0198, Japan
[ 13 ] [Xu, Y.-J.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
[ 14 ] [Xu, Y.-J.]College of Chemistry, New Campus, Fuzhou University, Fuzhou, 350116, China

Reprint 's Address：

[Xu, Y.-J.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou UniversityChina

Email：

yjxu@fzu.edu.cn

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Source ：

Applied Catalysis B: Environmental

ISSN： 0926-3373

Year： 2020

Volume： 271

1 9 . 5 0 3

JCR@2020

2 0 . 3 0 0

JCR@2023

ESI HC Threshold：160

JCR Journal Grade：1

CAS Journal Grade：1

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WoS CC Cited Count：

SCOPUS Cited Count：

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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