* Corresponding authors

^a Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Luoyu Road 1037, Wuhan 430074, P. R. China
E-mail: mingkui.wang@mail.hust.edu.cn

^b Department of Materials Science and Engineering, University of California, Los Angeles, California 90095, USA

^c Department of Chemical Technology, Faculty of Science, Chulalongkorn University, Phayathai Road, Pathumwan, Bangkok 10330, Thailand

^d Department of Materials Engineering, Monash University, Victoria 3800, Australia

^e Kunming Institute of Precious Metals, Kunming 650106, P. R. China