PT  - JOURNAL ARTICLE
AU  - Zhu, Zheng-Zhong
AU  - Chen, Zuo-Chang
AU  - Yao, Yang-Rong
AU  - Cui, Cun-Hao
AU  - Li, Shu-Hui
AU  - Zhao, Xin-Jing
AU  - Zhang, Qianyan
AU  - Tian, Han-Rui
AU  - Xu, Piao-Yang
AU  - Xie, Fang-Fang
AU  - Xie, Xiao-Ming
AU  - Tan, Yuan-Zhi
AU  - Deng, Shun-Liu
AU  - Quimby, Jennifer M.
AU  - Scott, Lawrence T.
AU  - Xie, Su-Yuan
AU  - Huang, Rong-Bin
AU  - Zheng, Lan-Sun
TI  - Rational synthesis of an atomically precise carboncone under mild conditions
AID  - 10.1126/sciadv.aaw0982
DP  - 2019 Aug 01
TA  - Science Advances
PG  - eaaw0982
VI  - 5
IP  - 8
4099  - http://advances.sciencemag.org/content/5/8/eaaw0982.short
4100  - http://advances.sciencemag.org/content/5/8/eaaw0982.full
SO  - Sci Adv2019 Aug 01; 5
AB  - Carboncones, a special family of all-carbon allotropes, are predicted to have unique properties that distinguish them from fullerenes, carbon nanotubes, and graphenes. Owing to the absence of methods to synthesize atomically well-defined carboncones, however, experimental insight into the nature of pure carboncones has been inaccessible. Herein, we describe a facile synthesis of an atomically well-defined carboncone[1,2] (C70H20) and its soluble penta-mesityl derivative. Identified by x-ray crystallography, the carbon skeleton is a carboncone with the largest possible apex angle. Much of the structural strain is overcome in the final step of converting the bowl-shaped precursor into the rigid carboncone under mild reaction conditions. This work provides a research opportunity for investigations of atomically precise single-layered carboncones having even higher cone walls and/or smaller apex angles.