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在流动操作中具有高传质速率的硼掺杂金刚石纳米线阵列电极。

Boron-doped diamond nanowire array electrode with high mass transfer rates in flow-by operation.

作者信息

Lee Choong-Hyun, Lim Young-Kyun, Lee Eung-Seok, Lee Hyuk-Joo, Park Hee-Deung, Lim Dae-Soon

机构信息

Department of Materials Science and Engineering, Korea University Seoul 02841 Republic of Korea

School of Civil, Environmental and Architectural Engineering, Korea University Seoul 02841 Republic of Korea

出版信息

RSC Adv. 2018 Mar 20;8(20):11102-11108. doi: 10.1039/c8ra01005f. eCollection 2018 Mar 16.

DOI:10.1039/c8ra01005f
PMID:35541555
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9078987/
Abstract

We fabricated a boron-doped diamond nanowire (BDDNW) array electrode soft lithography and metal-assisted chemical etching (MACE) of Si to provide a highly promoted effective surface area and increased mass transport during the electrochemical oxidation process. The effects of aligning the BDDNW on the electrochemical oxidation performance and the current efficiency of the electrode in phenol oxidation were examined. Although the effective surface area of the BDDNW array with an aligned nanowire configuration was smaller than that of the BDDNW with a random nanowire configuration, the BDDNW array electrode exhibited a higher mass transfer coefficient, resulting in a better performance in the removal of phenol. The enhanced mass transport exhibited by the BDDNW array electrode also greatly enhanced the chemical oxygen demand (COD) and current efficiency. Furthermore, because of its excellent oxidation performance, the BDDNW array electrode also exhibited much lower energy consumption during the phenol oxidation process.

摘要

我们通过硅的软光刻和金属辅助化学蚀刻（MACE）制备了硼掺杂金刚石纳米线（BDDNW）阵列电极，以在电化学氧化过程中提供高度促进的有效表面积并增加传质。研究了BDDNW排列对苯酚氧化中电化学氧化性能和电极电流效率的影响。尽管具有排列纳米线结构的BDDNW阵列的有效表面积小于具有随机纳米线结构的BDDNW的有效表面积，但BDDNW阵列电极表现出更高的传质系数，从而在苯酚去除方面表现出更好的性能。BDDNW阵列电极表现出的增强传质也极大地提高了化学需氧量（COD）和电流效率。此外，由于其优异的氧化性能，BDDNW阵列电极在苯酚氧化过程中还表现出低得多的能耗。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/dd9d/9078987/c666e9715dfc/c8ra01005f-f9.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/dd9d/9078987/c666e9715dfc/c8ra01005f-f9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/dd9d/9078987/493916f22089/c8ra01005f-f1.jpg
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本文引用的文献

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