Hollow “graphene” microtubes using polyacrylonitrile nanofiber template and potential applications of field emission

Zeyu Guo^*, He Dong Huang, Lixiang Zhong, Ruitao Lv, Zheng Hong Huang^*, Jia Li^*, Nestor Perea-Lopez, Pengyan Yang, Mauricio Terrones, Rodney S. Ruoff, Feiyu Kang^*

^*此作品的通讯作者