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Reduced graphene oxide encapsulated Cu2O with controlled crystallographic facets for enhanced visible-light photocatalytic degradation
Wu, Guosong; Shen, Qiuping; Yu, Houlin; Zhao, Tingyu; Lu, Congda; Liu, Aiping; Liu, AP (reprint author), Zhejiang Sci Tech Univ, Ctr Optoelect Mat & Devices, Hangzhou 310018, Zhejiang, Peoples R China.; Liu, AP (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Source PublicationFUNCTIONAL MATERIALS LETTERS
2017-08-01
Volume10Issue:4
ISSN1793-6047
AbstractThe Cu2O/reduced graphene oxide (Cu2O/rGO) composites with effective crystallographic facet controlling of Cu2O crystals were fabricated through a simple one-step wet chemistry method. The crystallographic facet-dependent photocatalytic performance of Cu2O was confirmed, favoring the cuboctahedral Cu2O with {100} and {111} facets and a better photocatalytic activity when compared to cubic and octahedral ones. This was attributed to the slight difference of surface energy between {100} and {111} facets which served as a driving force to promote the separation of photogenerated electron-hole pairs. Moreover, the introduction of two-dimensional rGO sheets could accelerate the transfer of photogenerated electrons from Cu2O to rGO, which further promoted the separation of photogenerated electron-hole pairs and the degradation of methyl orange (MO) under visible-light irradiation. The cuboctahedral Cu2O/rGO composite exhibited a superb photocatalytic performance with the degradation percentage of MO about 97.6% after one periodic photocatalysis due to the synergistic effect of cuboctahedral Cu2O and rGO sheets, foreboding its potential application as photocatalyst.
KeywordCu2o/rgo Composite Crystallographic Facet Control Photocatalytic Activity Synergistic Effect
DOI10.1142/S1793604717500345
URL查看原文
Indexed BySCI
Language英语
WOS IDWOS:000407994900004
WOS KeywordPERFORMANCE ; GENERATION
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
Funding OrganizationNational Natural Science Foundation of China(51572242 ; Zhejiang Provincial Natural Science Foundation of China(LY16E020011 ; Opening Fund of State Key Laboratory of Nonlinear Mechanics ; Program for Innovative Research Team of Zhejiang Sci-Tech University(15010039-Y) ; 51272237) ; LY15F050013)
ClassificationQ3
Ranking3
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/70023
Collection非线性力学国家重点实验室
Corresponding AuthorLiu, AP (reprint author), Zhejiang Sci Tech Univ, Ctr Optoelect Mat & Devices, Hangzhou 310018, Zhejiang, Peoples R China.; Liu, AP (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Wu, Guosong,Shen, Qiuping,Yu, Houlin,et al. Reduced graphene oxide encapsulated Cu2O with controlled crystallographic facets for enhanced visible-light photocatalytic degradation[J]. FUNCTIONAL MATERIALS LETTERS,2017,10(4).
APA Wu, Guosong.,Shen, Qiuping.,Yu, Houlin.,Zhao, Tingyu.,Lu, Congda.,...&Liu, AP .(2017).Reduced graphene oxide encapsulated Cu2O with controlled crystallographic facets for enhanced visible-light photocatalytic degradation.FUNCTIONAL MATERIALS LETTERS,10(4).
MLA Wu, Guosong,et al."Reduced graphene oxide encapsulated Cu2O with controlled crystallographic facets for enhanced visible-light photocatalytic degradation".FUNCTIONAL MATERIALS LETTERS 10.4(2017).
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