Room temperature electrochemical synthesis of CuO flower-like microspheres and their electrooxidative activity towards hydrogen peroxide期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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**Figure**
A facile electrochemical route, which is carried out at room temperature (25?°C), is introduced for the fast fabrication of CuO flower-like microspheres (CuO FMs). The CuO FMs modified glassy carbon electrode exhibits good electrocatalytic activity towards the oxidation of H₂O₂.
Room temperature electrochemical synthesis of CuO flower-like microspheres and their electrooxidative activity towards hydrogen peroxide

Authors:	Lu Lu Xirong Huang

Institution:	1. Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education of China, Shandong University, Jinan, 250100, People??s Republic of China

Abstract:	We describe a facile electrochemical route for the synthesis of CuO flower-like microspheres (CuO FMs) by anodic dissolution of bulk Cu in sodium hydroxide solution at room temperature and without heating. Scanning electron microscopy and X-ray diffraction revealed that the CuO FMs are phase-pure monoclinic crystallites and comprised of CuO nanoflakes. The concentration of NaOH has a large effect on the size of the CuO FMs. The possible formation mechanism is discussed. The CuO FMs are electrocatalytically active towards the oxidation of H₂O₂, and this has resulted in a sensor for H₂O₂. To our knowledge, this is the simplest way to obtain clean CuO FMs.

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