One-Step Synthesis of Hexapod Pt Nanoparticles Deposited on Carbon Black for Improved Methanol Electrooxidation

Da-Hee Kwak; Young-Woo Lee; Kyung-Hoon Lee; Ah-Reum Park; Je-Suk Moon; Kyung-Won Park

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One-Step Synthesis of Hexapod Pt Nanoparticles Deposited on Carbon Black for Improved Methanol Electrooxidation

机译：一步法合成炭黑上沉积的六足铂纳米粒子，用于改善甲醇的电氧化

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We report hexapod Pt nanoparticles (Hexa-Pt/C) deposited on carbon black synthesized by means of- 3+ polyol process in the presence of poly(vinyl pyrrolidone) and NO3 and Fe as additives. The Hexa- Pt/C shows nanosized pods grown along {111} facets observed by transmission electron microscopy.For methanol electrooxidation, the Hexa-Pt/C exhibited much improved electrocatalytic activity andstability due to a particular surface exposure favorable for catalytic reaction in comparison withcommercial polycrystalline Pt catalyst.

机译：我们报告了在聚（乙烯基吡咯烷酮）和NO3和Fe作为添加剂存在下，通过-3+多元醇工艺合成的沉积在炭黑上的六足Pt纳米颗粒（Hexa-Pt / C）。 Hexa-Pt / C在透射电子显微镜下观察到沿{111}晶面生长的纳米荚。对于甲醇电氧化，Hexa-Pt / C表现出明显改善的电催化活性和稳定性，这是由于与商业用途相比，特殊的表面暴露有利于催化反应。多晶铂催化剂。

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《International Journal of Electrochemical Science》 |2013年第4期|共6页
作者
Da-Hee Kwak; Young-Woo Lee; Kyung-Hoon Lee; Ah-Reum Park; Je-Suk Moon; Kyung-Won Park;
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One-Step Synthesis of Hexapod Pt Nanoparticles Deposited on Carbon Black for Improved Methanol Electrooxidation

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