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In-situ Growth of Pt3Ni Nanoparticles on A-site Deficient Perovskite with Enhanced Activity for Oxygen Reduction Reaction

Authors Gao, Yang HKUST affiliated (currently or previously)
Wang, Jian HKUST affiliated (currently or previously)
Lyu, Yu-Qi HKUST affiliated (currently or previously)
Lam, Kwunyu HKUST affiliated (currently or previously)
Ciucci, Francesco View this author's profile
Issue Date 2017
Source Journal of Materials Chemistry A , v. 5, (14), 2017, p. 6399-6404
Summary A novel A-site deficient perovskite, La0.9Mn0.9Pt0.075Ni0.025O3−δ, is developed as a catalyst for the oxygen reduction reaction in alkaline solution. Pt3Ni nanoparticles are exsolved in situ on the surface upon reduction. The catalytic activity improves significantly after exsolution. This improvement is attributed to the synergy between the host perovskite and the nanoparticles. © The Royal Society of Chemistry.
ISSN 2050-7488
Language English
Format Article
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