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Hybrid polyindole‑gold nanobrush for electrochemical oxidation of ascorbic acid
Journal of Electroanalytical Chemistry ( IF 4.1 ) Pub Date : 2020-11-01 , DOI: 10.1016/j.jelechem.2020.114664
M. Osial , M. Warczak , P.J. Kulesza , P. Krysiński , M. Gniadek

Abstract The present paper demonstrates the feasibility of application of hybrid material based on polyindole and gold nanoparticles as a low-cost and attractive alternative of electrocatalyst utilized for electrooxidation of potential fuel, such as ascorbic acid (AA) for low-temperature fuel cell technology. Polyindole (PIN) has been deposited electrochemically with and without a hard-template method forming nanobrush with well-defined wires. The PIN nanobrush has been decorated with gold nanoparticles and used for AA oxidation. Hybrid material created within this work offers high surface area, thus increasing the current densities recorded during CV experiments, in comparison to those characteristic of the hybrid created without hard-template. The proposed high-surface-area material is a promising substrate for electrooxidation processes.

中文翻译:

用于电化学氧化抗坏血酸的混合聚吲哚金纳米刷

摘要 本文证明了基于聚吲哚和金纳米颗粒的混合材料作为低成本和有吸引力的电催化剂替代品的可行性,该电催化剂用于潜在燃料的电氧化,例如用于低温燃料电池技术的抗坏血酸 (AA)。聚吲哚 (PIN) 已经在使用和不使用硬模板方法的情况下进行电化学沉积,形成具有明确定义的线的纳米刷。PIN 纳米刷已用金纳米粒子装饰并用于 AA 氧化。在这项工作中创建的混合材料提供了高表面积,从而增加了 CV 实验期间记录的电流密度,与没有硬模板创建的混合材料的那些特性相比。所提出的高表面积材料是用于电氧化工艺的有前途的基材。
更新日期:2020-11-01
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