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Modified Si nanowire/graphite-like carbon nitride core-shell photoanodes for solar water splitting
Ning, Minghui; Chen Zhen; Li, Lin; Meng QG(孟庆国); Chen ZH(陈志鸿); Zhang YG(张永光); Jin, Mingliang; Zhang, Zhang; Yuan MZ(苑明哲); Wang, Xin; Zhou, Guofu
Department广州中国科学院沈阳自动化研究所分所
Source PublicationElectrochemistry Communications
ISSN1388-2481
2018
Volume87Pages:13-17
Indexed BySCI ; EI
EI Accession number20175204580371
WOS IDWOS:000424295300004
Contribution Rank2
Funding OrganizationNSFC ; National Key R&D Program of China ; Guangdong Provincial Grant ; Pearl River S&T Nova Program of Guangzhou ; CAS Hundred Talent Program ; Nansha International S&T Cooperation Program ; Guangdong Provincial Science and Technology Project ; LOIT ; MOE International Laboratory for Optical Information Technologies ; 111 Project
KeywordWater Splitting Si Nanowires Graphite-like Carbon Nitride Core/shell Nanostructure Copolymerization Modification
Abstract

Si nanowires (SiNWs) and graphite-like carbon nitride (g-C3N4) are highly promising materials for solar water splitting. In this work, n-type SiNWs (n-SiNWs) are obtained via metal-catalyzed electroless etching. To improve the photoelectrochemical performance of the n-SiNWs, g-C3N4is deposited on their surface as a coating layer (n-SiNW/g-C3N4). Furthermore, to increase the density of active sites in g-C3N4, barbituric acid (BA) is introduced into precursors before the layer deposition. The n-SiNW/g-C3N4photoanode shows a negative shift of the onset potential as compared to the bare n-SiNWs. Moreover, a 50% enhancement in the photocurrent density at 1.6 V vs. RHE is achieved on the BA-modified n-SiNW/g-C3N4as compared to the pristine n-SiNW/g-C3N4.

Language英语
WOS SubjectElectrochemistry
WOS KeywordPHOTOELECTROCHEMICAL HYDROGEN EVOLUTION ; VISIBLE-LIGHT ; H-2 EVOLUTION ; EFFICIENT ; ARRAYS ; PHOTOCATALYSTS ; PHOTOCATHODES ; NANOMATERIALS ; CATALYSIS ; SEAWATER
WOS Research AreaElectrochemistry
Funding ProjectNSFC[51602111] ; NSFC[51561135014] ; NSFC[U1501244] ; National Key R&D Program of China[2016YFB0401502] ; Guangdong Provincial Grant[2015A030310196] ; Guangdong Provincial Grant[2014B090915005] ; Guangdong Provincial Grant[2015B090913004] ; Pearl River S&T Nova Program of Guangzhou[201506040045] ; CAS Hundred Talent Program ; Nansha International S&T Cooperation Program[2016GJ005] ; Guangdong Provincial Science and Technology Project[2017A050506009] ; LOIT[2017B030301007] ; MOE International Laboratory for Optical Information Technologies ; 111 Project
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Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/21468
Collection广州中国科学院沈阳自动化研究所分所
Corresponding AuthorChen ZH(陈志鸿)
Affiliation1.Guangdong Provincial Key Laboratory of Optical Information Materials and Technology & Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, 510006, China
2.Shenyang Institute of Automation, Chinese Academy of Sciences, Guangzhou, 511458, China
3.National Center for International Research on Green Optoelectronics, South China Normal University, Guangzhou, 510006, China
4.International Academy of Optoelectronics at Zhaoqing, South China Normal University, Guangdong Province, China
Recommended Citation
GB/T 7714
Ning, Minghui,Chen Zhen,Li, Lin,et al. Modified Si nanowire/graphite-like carbon nitride core-shell photoanodes for solar water splitting[J]. Electrochemistry Communications,2018,87:13-17.
APA Ning, Minghui.,Chen Zhen.,Li, Lin.,Meng QG.,Chen ZH.,...&Zhou, Guofu.(2018).Modified Si nanowire/graphite-like carbon nitride core-shell photoanodes for solar water splitting.Electrochemistry Communications,87,13-17.
MLA Ning, Minghui,et al."Modified Si nanowire/graphite-like carbon nitride core-shell photoanodes for solar water splitting".Electrochemistry Communications 87(2018):13-17.
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