同位素2024，Vol.37Issue(4)：319-326,8.DOI:10.7538/tws.2024.youxian.035
不同改性方法对石墨烯辐伏同位素电池输出性能的影响
Effect of Different Modification Methods on the Output Performance of Graphene Betavoltaic Isotope Batteries
摘要
Abstract
Graphene betavoltaic isotope battery is one of the applications of graphene in semiconductor and microelectronics.Among them,the modification of graphene is an important research content to improve the application of graphene in these fields.In this study,we compared the effect of nitric acid doping and electron beam irradiation on the output performance of graphene betavoltaic isotope batteries.At the same time,the mechanism of two different methods on the modification of graphene materials was studied by means of light microscope,XPS and Raman spectroscopy.The results show that the nitric acid doping was a surface charge transfer process,which can not change the sp2 hybrid carbon atoms in graphene into sp3 hybrid,but can improve the short-circuit current of graphene betavoltaic isotope batteries.While the electron beam irradiation of graphene will introduce defects in graphene,and transform sp2 hybrid carbon atoms in graphene into sp3 hybrids,thus opening the band gap of graphene and improving the open circuit voltage and filling factor of graphene betavoltaic isotope batteries.The above results can provide experimental theoretical basis for the design and preparation of graphene betavoltaic isotope batteries,and provide reference for further improving the performance of graphene betavoltaic isotope batteries.关键词
石墨烯/改性/电子束辐照/辐伏同位素电池/输出性能Key words
graphene/modification/electron beam irradiation/betavoltaic battery/output performance分类
核科学引用本文复制引用
王晓彧,冯加明,何厚军,韩运成..不同改性方法对石墨烯辐伏同位素电池输出性能的影响[J].同位素,2024,37(4):319-326,8.基金项目
国家自然科学基金项目(12305382) （12305382）
湖北省自然科学基金项目(2022CFB575) （2022CFB575）
湖北科技学院校内科研发展基金博士科研启动项目(BK202219) （BK202219）
