Li Zhenzhen, Xin Yanmei, Zhang Zhonghai, Wu Hongjun, Wang Peng
School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China.
Provincial Key Laboratory of Oil &Gas Chemical Technology, College of Chemistry &Chemical Engineering, Northeast Petroleum University, Daqing 163318, China.
Sci Rep. 2015 Jun 12;5:10617. doi: 10.1038/srep10617.
One-dimensional nanocomposites of metal-oxide and noble metal were expected to present superior performance for nonenzymatic glucose detection due to its good conductivity and high catalytic activity inherited from noble metal and metal oxide respectively. As a proof of concept, we synthesized gold and copper oxide (Au/CuO) composite with unique one-dimensional nanocauliflowers structure. Due to the nature of the synthesis method, no any foreign binder was needed in keeping either Au or CuO in place. To the best of our knowledge, this is the first attempt in combining metal oxide and noble metal in a binder-free style for fabricating nonenzymatic glucose sensor. The Au/CuO nanocauliflowers with large electrochemical active surface and high electrolyte contact area would promise a wide linear range and high sensitive detection of glucose with good stability and reproducibility due to its good electrical conductivity of Au and high electrocatalytic activity of CuO.
金属氧化物与贵金属的一维纳米复合材料因其分别继承自贵金属和金属氧化物的良好导电性和高催化活性，有望在非酶葡萄糖检测中表现出优异性能。作为概念验证，我们合成了具有独特一维纳米菜花结构的金和氧化铜（Au/CuO）复合材料。由于合成方法的特性，在固定Au或CuO时无需任何外来粘合剂。据我们所知，这是首次尝试以无粘合剂的方式将金属氧化物和贵金属结合用于制造非酶葡萄糖传感器。具有大电化学活性表面和高电解质接触面积的Au/CuO纳米菜花，因其Au的良好导电性和CuO的高电催化活性，有望实现宽线性范围和高灵敏度的葡萄糖检测，且具有良好的稳定性和重现性。
