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Citation: ZHOU Xing Fu, CHU Dao Bao, HE Hui, LIN Cha ng-Jia n. Preparation of Nanocrystalline Cupric Oxide by Electrochemical Dissolution of Copper Metal[J]. Chinese Journal of Applied Chemistry, ;2002, 19(7): 708-710. shu

Preparation of Nanocrystalline Cupric Oxide by Electrochemical Dissolution of Copper Metal

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a Institute of Organic Chemistry, Anhui Normal University, Wuhu 241000;
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b Department of Chemistry, Tongling College, Tongling;
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c State Key Laboratory for Physial Chemistry of Solid Surf aces, Xiamen University, Xiamen

Corresponding author: ZHOU Xing Fu,
Received Date: 28 November 2001
Available Online: 6 March 2002
Fund Project: 国家自然科学基金(29873039) (29873039)安徽省自然科学基金(00046112) (00046112)

The precursor Cu(acac)₂ was electrochemically prepared by anodic dissolution of fresh metallic copper in absolute acetylacetone using Bu₄N·Br as supporting electrolyte. Nanocrystalline CuO could be obtained by direct hydrolysis of the electrolyte solution via refluxing with some amount of NaOH and water. FTIR, elemental analysis, XRD and TEM have been used to investigate the structure of the precursor and nanocrystalline CuO. The results showed that the cupric oxide obtained is of spherical structure with size distribution ranged in 10 nm to 20 nm. The rational electrode potential in electrolysis appeared to be 1.2~1.8 V(vs.SCE).
- nano-sized CuO,
- electrochemical synthesis,
- copper anode,
- Cu(acac)₂,
- hydrolysis
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