Near-infrared-activated NaYF4:Yb3+, Er3+/Au/CdS for H2 production: Via photoreforming of bio-ethanol: Plasmonic Au as light nanoantenna, energy relay, electron sink and co-catalyst - Details

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Abstract：

A　sandwich-structured　NaYF4:Yb3+,　Er3+/Au/CdS　architecture,　as　an　up-conversion-involved　photocatalyst　for　H2　production　through　photoreforming　of　renewable　bio-ethanol,　was　constructed　successfully.　The　Au　nanoparticles　embedded　in　the　NaYF4:Yb3+,　Er3+/CdS　interface　play　a　quadruplex　role　to　improve　the　solar　utilization　efficiency.　First,　plasmonic　Au　works　as　a　light　nanoantenna　to　harvest　more　incident　light.　Second,　plasmonic　Au　acts　as　an　energy　relay,　in　which　Au　SPR-induced　Förster　resonance　energy　transfer　(FRET)　and　plasmonic　resonance　energy　transfer　(PRET)　synergistically　facilitate　the　energy　transfer　from　NaYF4:Yb3+,　Er3+　to　Au　to　CdS.　Third,　Au　acts　as　an　electron　sink　to　promote　electron-hole　separation.　Lastly,　Au　serves　as　a　co-catalyst　to　activate　H2　evolution　from　bio-ethanol.　The　multifunctional　Au　makes　NaYF4:Yb3+,　Er3+/Au/CdS　exhibit　enhanced　NIR-driven　photocatalytic　bio-ethanol　reforming　activity.　Moreover,　NaYF4:Yb3+,　Er3+/Au/CdS　shows　superior　photoactivity　under　simulated　sunlight.　This　unique　fabrication　has　implications　for　the　rational　design　of　highly　efficient　solar-energy-harvesting　devices.　©　2017　The　Royal　Society　of　Chemistry.

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[ 1 ] [Feng, W.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350002, China
[ 2 ] [Zhang, L.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350002, China
[ 3 ] [Zhang, Y.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350002, China
[ 4 ] [Yang, Y.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350002, China
[ 5 ] [Fang, Z.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350002, China
[ 6 ] [Wang, B.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350002, China
[ 7 ] [Zhang, S.]Hunan Provincial Collaborative Innovation Center for Environment and Energy Photocatalysis, Changsha University, Changsha, 410022, China
[ 8 ] [Liu, P.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350002, China

Reprint 's Address：

[Liu, P.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou UniversityChina

Email：

liuping@fzu.edu.cn

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Source ：

Journal of Materials Chemistry A

ISSN： 2050-7488

Year： 2017

Issue： 21

Volume： 5

Page： 10311-10320

9 . 9 3 1

JCR@2017

1 0 . 8 0 0

JCR@2023

ESI HC Threshold：306

JCR Journal Grade：1

CAS Journal Grade：1

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SCOPUS Cited Count：

ESI Highly Cited Papers on the List： 0 Unfold All

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Chinese Cited Count：

30 Days PV： 2

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