Post-synthetic regulation of the structure, morphology and photoactivity of graphitic carbon nitride by heat-vacuum treatment - Details

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Abstract：

This　work　provides　a　simple　but　efficient　strategy　for　the　adjustment　of　texture　and　regular　morphology　of　graphitic　carbon　nitride　(CN)　material　by　the　post-synthesis　of　successive　heat-vacuum　treatment　(SHVT)　method　without　using　hard　templates.　The　modified　CN　displayed　various　hollow　microtubule　structure　and　the　improvement　of　s-heptazine　unit　depending　on　the　SHVT　temperature.　The　best　hollow　microtubule　morphology　with　highest　contents　of　the　key　s-heptazine　structure　can　be　achieved　by　SHVT　at　540　°C.　These　modified　CN　samples　led　to　the　highest　photocatalytic　H2　yield　of　1160　μL　for　4　h　reaction　under　visible　light　irradiation,　which　is　almost　10　times　higher　than　that　of　the　traditional　CN　(118　μL).　The　results　represent　an　alternative　approach　to　preparing　hollow　microtubule　morphology　and　improving　the　s-heptazine　structure　in　CN　for　enhancing　photocatalytic　performance.　©　2016　Elsevier　Ltd

Keyword：

Graphitic carbon nitride; Heat-vacuum treatment; Photocatalysis

Community：

[ 1 ] [Liu, D.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350002, China
[ 2 ] [Tong, N.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350002, China
[ 3 ] [Zhang, Z.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350002, China
[ 4 ] [Yang, Z.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350002, China
[ 5 ] [Wang, Y.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350002, China
[ 6 ] [Li, F.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350002, China
[ 7 ] [Lin, H.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350002, China
[ 8 ] [Long, J.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350002, China
[ 9 ] [Wang, X.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350002, China

Reprint 's Address：

[Zhang, Z.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou UniversityChina

Email：

z.zhang@fzu.edu.cn

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Source ：

Materials and Design

ISSN： 0264-1275

Year： 2017

Volume： 114

Page： 208-213

4 . 5 2 5

JCR@2017

7 . 6 0 0

JCR@2023

ESI HC Threshold：306

JCR Journal Grade：1

CAS Journal Grade：3

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WoS CC Cited Count：

SCOPUS Cited Count： 8

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 3

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