石墨烯基/金纳米复合材料制备及应用述评

Preparation and applications review of graphene-based /Au nano-composite

综观国内外对石墨烯基/金纳米复合材料的研究,其制备方法主要分为液相法和固相法,其中,液相化学还原法以其简单、高效而多为研究者所采用.在生物传感器应用方面,石墨烯基/金纳米复合材料用于检测重金属离子和目标蛋白质等.如何大规模制备结构、厚度和尺寸可控的高质量石墨烯,有效地控制纳米粒子尺寸从而提高纳米粒子在石墨烯片上分散均匀性,以及拓展石墨烯基/金纳米复合材料用于生物传感器的应用领域是亟待解决的问题.

Throughout research on graphene base /Au nano-composites at home and abroad,the main preparation methods were divided into liquid phase method and solid phase method。Among them,the liquid chemical reduction method wherewith simpleness and efficiency were adopted by the researchers. In biosensor application aspect,graphene base /Au nanoparticle composites were used for detection of heavy metal ions and the target protein,etc. How to prepare in large scale high quality graphene with controllable structure,thickness and size,effectively control the size of nanoparticles thereby so as to enhance the dispersion uniformity of nanoparticles on graphene sheets,and expand the application area of the graphene /Au nano-composites in biosensor are the urgent issues.