title: Carbon-nanotube-array double helices.
authors.affiliation: Beijing Key Laboratory of Green Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
authors.forename: Qiang
authors.initials: Q
authors.lastname: Zhang
authors.forename: Meng-Qiang
authors.initials: MQ
authors.lastname: Zhao
authors.forename: Dai-Ming
authors.initials: DM
authors.lastname: Tang
authors.forename: Feng
authors.initials: F
authors.lastname: Li
authors.forename: Jia-Qi
authors.initials: JQ
authors.lastname: Huang
authors.forename: Bilu
authors.initials: B
authors.lastname: Liu
authors.forename: Wan-Cheng
authors.initials: WC
authors.lastname: Zhu
authors.forename: Ying-Hao
authors.initials: YH
authors.lastname: Zhang
authors.forename: Fei
authors.initials: F
authors.lastname: Wei