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北京石油化工学院2026年研究生招生接收调剂公告
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Synthesis of Pt–Ni Alloy Nanocrystals with High-Index Facets and Enhanced Electrocatalytic Properties

The shape-controlled synthesis of multicomponent metal nanocrystals (NCs) bounded by high-index facets (HIFs) is of significant importance in the design and synthesis of highactivity catalysts. We report herein the preparation of Pt–Ni alloy NCs by tuning their shape from concave-nanocubic (CNC) to nanocubic and hexoctahedral (HOH). Owing to the synergy of the HIFs and the electronic effect of the Pt–Ni alloy, the as-prepared CNC and HOH Pt–Ni alloy NCs exhibited excellent catalytic properties for the electrooxidation of methanol and formic acid, as well as for the oxygen reduction reaction (ORR).
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朱岩0308: 金币+30, 翻译EPI+1, ★★★★★最佳答案 2016-04-02 23:14:02
具有高指数晶面及受增强电催化特性的铂镍合金纳米晶体的制备
受高指数晶面束缚的多元金属纳米晶体的形状控制合成技术在设计及合成高活性催化剂上具有重要意义。我们在此文报道了铂镍合金NCs的制备过程,利用了形状调整使凹面纳米立方变为纳米立方及六八面体。由于HIFs的协同效应以及铂镍合金的电子效应,以此法制备的CNC以及HOH型铂镍合金NCs在甲醇和甲酸的电解氧化反应以及氧还原反应中表现出极好的催化特性。
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