Department of Materials Science and Engineering, Institute of Science Tokyo, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8552, Japan ...

Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, Sichuan 610041, China University of Chinese Academy of Sciences, Beijing 100049, China Chengdu Institute of Organic ...

H 2 O (LC-MS grade, Merck), ETHF (97%, Tokyo Chemical Industry), 14ECP (98%, Alfa Aesar), and 12ECH (98%, Tokyo Chemical Industry) and were used as received. High-purity CH 4 (99.95%) and N 2 (99.99%) ...