通过泡沫铜阳极氧化制备氧化铜纳米线及其表征与光催化活性

Fabrication, Characterization and Photocatalytic Activity of Copper Oxide Nanowires Formed by Anodization of Copper Foams.

作者信息

Abd-Elnaiem Alaa M, Abdel-Rahim Moustafa A, Abdel-Latief Atta Y, Mohamed Ahmed Abdel-Rahim, Mojsilović Kristina, Stępniowski Wojciech Jerzy

机构信息

Physics Department, Faculty of Science, Assiut University, Assiut 71516, Egypt.

Academy of Scientific Research and Technology (ASRT) of the Arab Republic of Egypt, Cairo 11516, Egypt.

出版信息

Materials (Basel). 2021 Sep 2;14(17):5030. doi: 10.3390/ma14175030.

DOI:10.3390/ma14175030

PMID:34501117

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8433699/

Abstract

In recent paper anodization of copper foams in 0.1 M KCO is reported. Anodization was performed in the voltage range of 5-25 V and in all the cases oxides with a developed surface area were obtained. However, anodizing only at 20 and 25 V resulted in the formation of nanostruc-tures. In all the cases, the products of anodizing consisted of crystalline phases like cuprite (CuO), tenorite (CuO), parameconite (CuO) as well as spertiniite (Cu(OH)). Copper foams after ano-dizing were applied as catalysts in the photocatalytic decolorization of a model organic compound such as methylene blue. The highest photocatalytic activity was observed for samples anodized at 25 V and closely followed by samples anodized at 5 V. The anodized copper foams proved to be a useful material in enhancing the photocatalytic efficiency of organic dye decomposition.

摘要

最近的一篇论文报道了在0.1M KCO中对泡沫铜进行阳极氧化的情况。阳极氧化在5-25V的电压范围内进行，在所有情况下都获得了具有发达表面积的氧化物。然而，仅在20V和25V下进行阳极氧化会导致纳米结构的形成。在所有情况下，阳极氧化产物均由诸如赤铜矿（CuO）、黑铜矿（CuO）、副孔雀石（CuO）以及水羟铜矿（Cu(OH)）等晶相组成。阳极氧化后的泡沫铜被用作光催化脱色模型有机化合物（如亚甲基蓝）的催化剂。在25V下阳极氧化的样品表现出最高的光催化活性，其次是在5V下阳极氧化的样品。阳极氧化的泡沫铜被证明是提高有机染料分解光催化效率的有用材料。