Yan, Chang
Li, Peng
Ji, Lizhen
Yao, Lianke
Karmakar, Chandan
Liu, Changchun
Funding for this research was provided by:
National Natural Science Foundation of China (61471223, 61601263)
Shandong Provincial Science and Technology Project (2014GSF118030, 2015GSF118179)
Natural Science Foundation of Shandong Province (ZR2015FQ016)