An In-ZnO nanosheet-modified carbon nanotube-polyimide film sensor for catechol detection
An In-ZnO nanosheet-modified carbon nanotube-polyimide film sensor for catechol detection
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In-ZnO纳米片修饰的碳纳米管-聚酰亚胺薄膜传感器用于儿茶酚检测
DOI：
10.1039/c3ta15436j
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发表时间：
2014
影响因子：
11.9
通讯作者：
Wang Chunming
中科院分区：
文献类型：
--
作者：
Jiang Yimin;Jia Lingpu;Yu Shengjiao;Wang Chunming
报道了一种基于铟修饰的氧化锌/聚酰亚胺碳纳米管（In-ZnO/PI-CNT）薄膜的邻苯二酚（CC）传感器的制备。In纳米颗粒的修饰以及In纳米结构尺寸和形貌的控制为提高ZnO纳米片的催化活性提供了很大的机会。负载在ZnO纳米片上的纳米颗粒表现出相对较大的表面积，可以增强电子转移。In-ZnO/PI-CNT薄膜比ZnO/PI-CNT薄膜具有更高的催化活性，其中In（3.79%）-ZnO/PI-CNT薄膜的催化活性最高。In（3.79%）-ZnO/PI-CNT薄膜传感器具有较宽的线性范围、良好的长期稳定性和重现性，可用于真实的水样中CC的检测。In（3.79%）-ZnO/PI-CNT薄膜在制备高效传感器方面具有很大的潜力。
We report the fabrication of a catechol (CC) sensor based on an In-modified ZnO/carbon nanotube–polyimide (In-ZnO/PI–CNT) film by using a simple electrochemical method. The decoration of In nanoparticles and control of the size and morphology of In nanostructures provide a great opportunity to improve the catalytic activity of ZnO nanosheets. In nanoparticles supported on the ZnO nanosheets exhibit relatively large surface areas and can enhance the electron transfer. An In-ZnO/PI–CNT film is more active for the catalysis of CC than the ZnO/PI–CNT film and the In(3.79%)-ZnO/PI–CNT film shows the best catalytic activity. The In(3.79%)-ZnO/PI–CNT film sensor exhibits a wide linear range, good long-term stability and reproducibility, and performs well for detection of CC in real water samples. The In(3.79%)-ZnO/PI–CNT film holds great potential for the fabrication of efficient sensors.