The oxygen reduction reaction of ordered porous carbon-supported PtSn catalysts

Chin Tien Shen, Kuan Wen Wang, Chung Jen Tseng, Kan Rong Lee, Yu Jui Hsueh

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


In this study, ordered porous carbon (OPC) prepared by a template method has been used as the catalyst support for cathodic oxygen reduction reaction (ORR) due to its large surface area and continuous structure. PtSn alloy nanoparticles with a size of 2.7 nm are deposited on OPC by using alcohol reduction method. The synergistic effect of Sn alloying and OPC support can not only modify the surface chemical states of Pt and Sn but also affect the d-band vacancy of Pt. The X-ray photoelectron spectroscopy and X-ray absorption near edge spectroscopy reveal that the oxidation of Pt is suppressed in PtSn/OPC, thus promoting the ORR performance before and after accelerated durability test.

Original languageEnglish
Pages (from-to)44205-44211
Number of pages7
JournalRSC Advances
Issue number50
StatePublished - 2016


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