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CoOx nanoparticle anchored on sulfonated-graphite as efficient water oxidation catalyst
Guan, Jingqi; Ding, Chunmei; Chen, Ruotian; Huang, Baokun; Zhang, Xianwen; Fan, Fengtao; Zhang, Fuxiang; Li, Can
Source PublicationCHEMICAL SCIENCE
2017-09-01
DOI10.1039/c7sc01756a
Volume8Issue:9Pages:6111-6116
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Multidisciplinary
WOS Research AreaChemistry
WOS KeywordHIGHLY EFFICIENT ; PHOTOSYSTEM-II ; HYDROGEN-PRODUCTION ; RECENT PROGRESS ; VISIBLE-LIGHT ; COBALT ; OXIDE ; PHOTOCATALYST ; PHOTOANODES ; CHALLENGES
AbstractDevelopment of efficient, robust and earth-abundant water oxidation catalysts (WOCs) is extremely desirable for water splitting by electrolysis or photocatalysis. Herein, we report cobalt oxide nanoparticles anchored on the surface of sulfonated graphite (denoted as "CoOx@G-Ph-SN") to exhibit unexpectedly efficient water oxidation activity with a turnover frequency (TOF) of 1.2 s(-1); two or three orders of magnitude higher than most cobalt-based oxide WOCs reported so far. The CoOx@G-Ph-SN nanocomposite can be easily prepared by a soft hydrothermal route to have an average CoOx size below 2 nm. Additionally, the loading of CoOx@G-Ph-SN catalyst on the surface of a BiVO4 or Fe2O3 photoanode can boost remarkably the photoanode currents for robust photocatalytic water oxidation under visible light irradiation. Its excellent activity and photochemical stability for water oxidation suggest that this ultrasmall cobalt-based composite is a promising candidate for solar fuel production.
Language英语
WOS IDWOS:000408168600027
Citation statistics
Cited Times:27[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/149856
Collection中国科学院大连化学物理研究所
AffiliationChinese Acad Sci, Dalian Natl Lab Clean Energy, Dalian Inst Chem Phys, State Key Lab Catalysis,iChEM, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Guan, Jingqi,Ding, Chunmei,Chen, Ruotian,et al. CoOx nanoparticle anchored on sulfonated-graphite as efficient water oxidation catalyst[J]. CHEMICAL SCIENCE,2017,8(9):6111-6116.
APA Guan, Jingqi.,Ding, Chunmei.,Chen, Ruotian.,Huang, Baokun.,Zhang, Xianwen.,...&Li, Can.(2017).CoOx nanoparticle anchored on sulfonated-graphite as efficient water oxidation catalyst.CHEMICAL SCIENCE,8(9),6111-6116.
MLA Guan, Jingqi,et al."CoOx nanoparticle anchored on sulfonated-graphite as efficient water oxidation catalyst".CHEMICAL SCIENCE 8.9(2017):6111-6116.
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