ICCAS OpenIR
Rational functionalization of carbon nanotube/ionic liquid bucky gel with dual tailor-made electrocatalysts for four-electron reduction of oxygen
Yu, Ping1; Yan, Jie2; Zhao, Hong2; Su, Lei1; Zhang, Jun1; Mao, Lanqun1
2008-02-14
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
ISSN1932-7447
Volume112Issue:6Pages:2177-2182
AbstractMultiwalled carbon nanotube/ionic liquid bucky gel is rationally functionalized with dual tailor-made electrocatalysts to form novel kinds of structurally uniform and electrochemically favorable multifunctional materials that are very active for an apparent four-electron (4e) reduction of oxygen (O-2). Cobalt porphyrin (COP) dissolved into the bucky gel is used as the first electrocatalyst for the 2e-reduction of O-2 into H2O2, and Prussian blue nanoparticles (PB-NPs) synthesized in ionic liquid are used as the second electrocatalyst for the 2e-reduction of the produced H2O2 into H2O to evoke an apparent 4e-reduction of O-2 with a low overpotential. In this context, the bucky gel can not only serve as a "reservoir" to homogeneously "culture" the tailor-made electrocatalysts but also enhance the electrocatalytic activities of the "cultured" dual electrocatalysts toward the reduction of O-2 into H2O2 and H2O2 into H2O. The multifunctional materials prepared by rational functionalization of carbon nanotube/ionic liquid bucky gel with the dual tailor-made electrocatalysts are demonstrated to be very active for the 4e-reduction of O-2 and could thus be potentially used as a new kind of non-platinum cathode material for O-2 reduction in fuel cells. The strategy demonstrated here is cost-effective and may pave a relatively general approach to preparation of multifunctional materials with excellent properties and striking applications.
DOI10.1021/jp709749j
Indexed BySCI
Language英语
WOS IDWOS:000252968100069
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:58[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/63122
Collection中国科学院化学研究所
Corresponding AuthorMao, Lanqun
Affiliation1.Chinese Acad Sci, Beijing Natl Lab Mol Sci, Ctr Mol Sci, Inst Chem, Beijing 100080, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100864, Peoples R China
Recommended Citation
GB/T 7714
Yu, Ping,Yan, Jie,Zhao, Hong,et al. Rational functionalization of carbon nanotube/ionic liquid bucky gel with dual tailor-made electrocatalysts for four-electron reduction of oxygen[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2008,112(6):2177-2182.
APA Yu, Ping,Yan, Jie,Zhao, Hong,Su, Lei,Zhang, Jun,&Mao, Lanqun.(2008).Rational functionalization of carbon nanotube/ionic liquid bucky gel with dual tailor-made electrocatalysts for four-electron reduction of oxygen.JOURNAL OF PHYSICAL CHEMISTRY C,112(6),2177-2182.
MLA Yu, Ping,et al."Rational functionalization of carbon nanotube/ionic liquid bucky gel with dual tailor-made electrocatalysts for four-electron reduction of oxygen".JOURNAL OF PHYSICAL CHEMISTRY C 112.6(2008):2177-2182.
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