Quantum Confinement and Gas Sensing of Mechanically Exfoliated GaSe

Yecun Wu, Duan Zhang, Kangho Lee, Georg S. Duesberg, Askar Syrlybekov, Xiao Liu, Mourad Abid, Mohamed Abid, Yanqi Liu, Lisheng Zhang, Cormac Coileáin, Hongjun Xu, Jiung Cho, Miri Choi, Byong Sun Chun, Haomao Wang, Huajun Liu, Han Chun Wu^*