基于石墨烯的空间辐射探测传感器设计与试验研究

Design and Experiment of Graphene-based Space Radiation Detection Sensor

为了验证石墨烯空间辐射探测传感器的性能,结合石墨烯的能带结构和电场效应,分析了二维石墨烯材料的辐射探测原理,研究了基于石墨烯的空间辐射探测方法,研制了具有体积小、分辨率高、抗辐射性能好等特点的新型空间辐射传感器样件。利用质子、电子对辐射传感器进行了空间环境辐照试验,性能测试表明,辐射传感器样品的电学特性满足设计要求。研制的石墨烯空间辐射探测传感器有望应用在空间站辐射环境、月球辐射环境监测等方面以及脉冲星导航等领域。

In order to verify the performance of the graphene-based space radiation detection sensor,the radiation detection principle based on two-dimensional graphene material was analyzed according to the band structure and electric field effect of graphene.The method of space radiation detection based on graphene is studied.And then a new type of space radiation sensor samples with small volume,high resolution,radiation-resistance are formed.Using proton and electron,the electrical performance of GFET radiation sensor is verified.The designed graphene space radiation detection sensor is expected to be applied in the radiation environment monitoring of the space station and the moon,and can also achieve technological breakthroughs in pulsar navigation and other fields.