NDLI: Highly Dispersed Platinum Nanoparticles Anchored on Polypyrrole Nanospheres as Anode Catalyst for Methanol Oxidation Reaction

Content Provider	Springer Nature Link
Author	Wu, Bowan Zhao, Wengao Hou, Lijie Zhang, Tiantian Yang, Chun
Copyright Year	2016
Abstract	A novel catalyst of platinum nanoparticles (PtNPs) decorated on polydiallyldimethylammonium chloride (PDDA) functionalized polypyrrole nanospheres (PNS) has been prepared by simple wet-chemical method. PNS with large surface area and high dispersion was prepared by chemical polymerization of pyrrole. PtNPs with uniformed size and high dispersion have been successfully decorated on PDDA functionalized PNS via a sodium borohydride reduction process. The PNS/PtNPs is characterized by transmission electron microscopy, high resolution transmission electron microscopy, energy-dispersive X-ray, X-ray diffraction, X-ray photoelectron spectroscopy and inductively coupled plasma spectrum instrument. The results show that the PtNPs with sizes of approximate 5–6 nm are uniformly dispersed on the surface of PNS. Compared to Vulcan XC-72 carbon black supported same mass PtNPs (XC-72/PtNPs), PNS/PtNPs show larger mass activity (374 mA mg$^{−1}$) and stronger poisoning-tolerance (I$_{f}$/I$_{b}$ = 2.85) due to high dispersion of PtNPs on large surface of PNS. The performance indicates that PNS/PtNPs may be an excellent anode catalyst for methanol oxidation reaction.
Starting Page	1295
Ending Page	1305
Page Count	11
File Format	PDF
ISSN	10407278
Journal	Journal of Cluster Science
Volume Number	28
Issue Number	3
e-ISSN	15728862
Language	English
Publisher	Springer US
Publisher Date	2016-12-23
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Polypyrrole nanospheres Platinum nanoparticles Anode catalyst Methanol oxidation reaction Catalysis Inorganic Chemistry Physical Chemistry Nanochemistry
Content Type	Text
Resource Type	Article
Subject	Chemistry Biochemistry Condensed Matter Physics Materials Science

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