Zamiri Golnoush, Haseeb A S M A
Centre of Advanced Materials, Mechanical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia.
Materials (Basel). 2020 Jul 24;13(15):3311. doi: 10.3390/ma13153311.
The use of graphene and its derivatives with excellent characteristics such as good electrical and mechanical properties and large specific surface area has gained the attention of researchers. Recently, novel nanocomposite materials based on graphene and conducting polymers including polyaniline (PANi), polypyrrole (PPy), poly (3,4 ethyldioxythiophene) (PEDOT), polythiophene (PTh), and their derivatives have been widely used as active materials in gas sensing due to their unique electrical conductivity, redox property, and good operation at room temperature. Mixing these two materials exhibited better sensing performance compared to pure graphene and conductive polymers. This may be attributed to the large specific surface area of the nanocomposites, and also the synergistic effect between graphene and conducting polymers. A variety of graphene and conducting polymer nanocomposite preparation methods such as in situ polymerization, electropolymerization, solution mixing, self-assembly approach, etc. have been reported and utilization of these nanocomposites as sensing materials has been proven effective in improving the performance of gas sensors. Review of the recent research efforts and developments in the fabrication and application of graphene and conducting polymer nanocomposites for gas sensing is the aim of this review paper.
具有良好电学和力学性能以及大比表面积等优异特性的石墨烯及其衍生物的应用已引起研究人员的关注。最近，基于石墨烯和导电聚合物（包括聚苯胺（PANi）、聚吡咯（PPy）、聚（3,4 - 乙撑二氧噻吩）（PEDOT）、聚噻吩（PTh）及其衍生物）的新型纳米复合材料，因其独特的导电性、氧化还原特性以及在室温下的良好操作性，已被广泛用作气体传感中的活性材料。与纯石墨烯和导电聚合物相比，将这两种材料混合表现出更好的传感性能。这可能归因于纳米复合材料的大比表面积，以及石墨烯和导电聚合物之间的协同效应。已经报道了多种石墨烯和导电聚合物纳米复合材料的制备方法，如原位聚合、电聚合、溶液混合、自组装方法等，并且已证明将这些纳米复合材料用作传感材料可有效提高气体传感器的性能。本文综述的目的是回顾石墨烯和导电聚合物纳米复合材料在气体传感制造和应用方面的最新研究成果与进展。
