Abstract
The extraordinary graphene material has brought about extensive attention in space engineering for outstanding characteristics. The reduced graphene oxide paper (rGOP) was irradiated by 500 keV proton in a ground-based irradiation simulator. The results show that the spacing of layer to layer was increased after irradiation, while the oxygen functional group was decreased. The result of XPS and Raman spectroscopy indicates that the sp3 carbon and defects increased, and the disorder structure in high fluence irradiated materials also increased. Furthermore, the performance degradation for thermal stability and electrical property of rGOP is contributed to the combination of defects and disordered structure.
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