Facile Water-Assisted Synthesis of Cupric Oxide Nanourchins and Their Application as Nonenzymatic Glucose Biosensor

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• 作者：Shaodong Sun ; Xiaozhe Zhang ; Yuexia Sun ; Shengchun Yang ; Xiaoping Song ; Zhimao Yang
• 刊名：ACS Applied Materials & Interfaces
• 出版年：2013
• 出版时间：May 22, 2013
• 年：2013
• 卷：5
• 期：10
• 页码：4429-4437
• 全文大小：674K
• 年卷期：v.5,no.10(May 22, 2013)
• ISSN：1944-8252

文摘

We have demonstrated an interesting approach for the one-pot synthesis of cupric oxide (CuO) nanourchins with sub-100 nm through a sequential dissolution鈥損recipitation process in a water/ethanol system. The first stage produces a precursory crystal [Cu₇Cl₄(OH)₁₀H₂O] that is transformed into monoclinic CuO nanourchins during the following stage. Water is a required reactant for the morphology-controlled growth of different CuO nanostructures. When evaluated for their nonenzymatic glucose-sensing properties, these CuO nanourchins manifest higher sensitivity. Significantly, this water-dependent precursor transformation method may be widely used to effectively control the growth of other metal oxide nanostructures.

Keywords:

copper oxide; nanourchins; water/ethanol; nonenzymatic glucose sensor