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Z-scheme Ag3PO4/graphdiyne/g-C3N4 composites: Enhanced photocatalytic O-2 generation benefiting from dual roles of graphdiyne
Si, Hua-Yan1; Mao, Chen-Jing1; Zhou, Jin-Yuan2,3; Rong, Xian-Feng2,3; Deng, Qi-Xin1; Chen, Shu-Lin5; Zhao, Jin-Jin1; Sun, Xiu-Guo1; Shen, YingeMing1; Feng, Wen-Jie4; Gao, Peng5; Zhang, Jin2,3
2018-06-01
Source PublicationCARBON
ISSN0008-6223
Volume132Pages:598-605
AbstractAg3PO4 nanoparticles are often considered to be a fascinating and efficient visible photocatalyst because of its high quantum efficiency and excellent activity of O-2 generation from water oxidation. However, the photo-corroded phenomenon and stability during the photocatalytic process reduce the photocatalytic activity. To overcome these disadvantages, strategies of combining Ag3PO4 with two-dimensional materials have been put forward to improve its stability and photocatalytic properties under visible-light irradiation. In this work, a novel Z-scheme Ag3PO4/graphdiyne/g-C3N4 nanocomposite was constructed via a simple electrostatic and pi-pi stacking interaction for the first time. Significantly, such Z-scheme nanostructures show highly oxygen evolution, and 753.1 mu mol g(-1) h(-1) of O-2 was produced with Ag3PO4/graphdiyne/g-C3N4, which was 12.2 times higher than that of Ag3PO4 nanoparticles. Graphdiyne with pi-conjugated structure of sp(-) and sp(2)-hybridized carbon atoms, can not only act as conductive electron mediator bridges to collect photogenerated electrons and boost the O-2 evolution kinetics, but also used as a promising substrate for stabilizing Ag3PO4 in the composite. (c) 2018 Elsevier Ltd. All rights reserved.
DOI10.1016/j.carbon.2018.02.107
Indexed BySCI
Language英语
WOS IDWOS:000428233000064
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/46134
Collection中国科学院化学研究所
Corresponding AuthorSi, Hua-Yan
Affiliation1.Shijiazhuang Tiedao Univ, Sch Mat Sci & Engn, Hebei Prov Key Lab Traff Engn Mat, Shijiazhuang 050043, Hebei, Peoples R China
2.Peking Univ, Coll Chem & Mol Engn, BNLMS, Ctr Nanochem Beijing Sci, Beijing 100871, Peoples R China
3.Peking Univ, Coll Chem & Mol Engn, BNLMS, Engn Ctr Nanocarbons, Beijing 100871, Peoples R China
4.Shijiazhuang Tiedao Univ, Dept Mech Engn, Shijiazhuang 050043, Hebei, Peoples R China
5.Peking Univ, Sch Phys, Collaborat Innovat Ctr Quantum Matter, Electron Microscopy Lab,Int Ctr Quantum Mat, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Si, Hua-Yan,Mao, Chen-Jing,Zhou, Jin-Yuan,et al. Z-scheme Ag3PO4/graphdiyne/g-C3N4 composites: Enhanced photocatalytic O-2 generation benefiting from dual roles of graphdiyne[J]. CARBON,2018,132:598-605.
APA Si, Hua-Yan.,Mao, Chen-Jing.,Zhou, Jin-Yuan.,Rong, Xian-Feng.,Deng, Qi-Xin.,...&Zhang, Jin.(2018).Z-scheme Ag3PO4/graphdiyne/g-C3N4 composites: Enhanced photocatalytic O-2 generation benefiting from dual roles of graphdiyne.CARBON,132,598-605.
MLA Si, Hua-Yan,et al."Z-scheme Ag3PO4/graphdiyne/g-C3N4 composites: Enhanced photocatalytic O-2 generation benefiting from dual roles of graphdiyne".CARBON 132(2018):598-605.
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