金属纳米材料的电化学合成及其在电化学传感领域的应用

项目名称： 金属纳米材料的电化学合成及其在电化学传感领域的应用

项目编号： No.21205112

项目类型： 青年科学基金项目

立项/批准年度： 2013

项目学科： 分析化学

项目作者： 韩冬雪

作者单位： 中国科学院长春应用化学研究所

项目金额： 25万元

中文摘要： ：电化学传感器的灵敏度、检测限、稳定性等与其敏感膜材料息息相关，纳米材料因其特殊的光电、传导、催化特性，被越来越多的应用于电化学传感器敏感膜的制备中，本课题旨在采用一种操作简单、过程环保、成本低廉的电化学方法合成催化效率高、专一性强、稳定性好的金属纳米粒子及其复合材料，并通过旋涂、共价键合、静电吸附等方式将其修饰于电极表面，进一步探索其在电化学传感领域的应用。除此之外，我们还设计了一种超声电化学池，它不但从根本上解决了纳米材料大批量制备的难题，对纳米粒子的可控合成方面也起着至关重要的作用。项目主要研究内容为：（1）探索电化学技术参数的控制、电解液中保护剂的添加、以及超声频率和时间的设置等因素对纳米材料的形貌、尺寸、结构、均一程度等方面的影响与作用。（2）研究金属纳米粒子及其复合材料在气体传感、生物传感领域的应用。本课题对于纳米材料的可控合成及在电化学传感领域的应用具有重要的推动作用。

中文关键词： 纳米材料；光电材料；石墨烯；传感；

英文摘要： The sensitivity, detection limit and stability of electrochemical sensors strongly depend on the properties of the sensitive film materials. Nano-structured materials have been widely used in fabrication of sensitive film for electrochemical sensors due to their unique optoelectronic, conductive, catalytic properties. The aim of this subject is to prepare metal nanoparticles and their composites with high catalytic efficiency, strong specificity and good stability via a simple, environmental protected and low-cost electrochemical method. The above mentioned material can be modified on the surface of the electrode by spin-coating, covalent bonding and electrostatic adsorption process. And the applications of these materials in the field of electrochemical sensors will be further explored. In addition, we've also designed an ultrasonic electrochemical cell. It's not only a fundamental solution to the preparation of the nano-materials in large quantities, but also plays a vital role in the controlled synthesis of nanoparticles. The main contents of the project are listed as following: (1) to explore the influence of the electrochemical control of the technical parameters, protective agents adding in the electrolyte, and the ultrasonic frequency and time settings on the morphology of the nanomaterials including size

英文关键词： Nanomateials；Photoelectric materials；graphene；sensing；