Abstract
The structures of PtNix nanoalloy particles were modified through thermal annealing in different atmospheres. The evolution of surface structures was uncovered by advanced transmission electron microscopy, and the structure-function correlation in methanol electro-oxidation was probed. It provided new insights into the design and synthesis of highly efficient electrocatalysts.
Highlights
Bingsen Zhang,*a Yiming Niu,a Junyuan Xu,a Xiaoli Pan,a Cheng-Meng Chen,b Wen Shi,a Marc-Georg Willinger,c Robert Schloglc and Dang Sheng Su*a
The evolution of surface structures was uncovered by advanced transmission electron microscopy, and the structure–function correlation in methanol electrooxidation was probed
Thanks to the developments in transmission electron microscopy (TEM), by which the structural investigation of the solid catalyst at the atomic level becomes possible during the synthesis process and catalysis reaction.[25,26]
Summary
Bingsen Zhang,*a Yiming Niu,a Junyuan Xu,a Xiaoli Pan,a Cheng-Meng Chen,b Wen Shi,a Marc-Georg Willinger,c Robert Schloglc and Dang Sheng Su*a. There are few reports regarding the surface/ interface structural evolution induced by thermal annealing in different atmospheres on Pt-based nanoalloy NPs in detail, it is significant for a more precise and easy control of the fine structures of catalysts.[20,21,22,23,24] Thanks to the developments in transmission electron microscopy (TEM), by which the structural investigation of the solid catalyst at the atomic level becomes possible during the synthesis process and catalysis reaction.[25,26]
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