Funding for this research was provided by:
the National Natural Science Foundation of China (21671160)
the National Natural Science Foundation of China (21601147)
Young Scientists Fund (21906133)
the Project of State Key Laboratory of Environment-friendly Energy Materials, Southwest University of Science and Technology (18zxhk04)
the Long Shan Talent Project (17LZX306)
the Long Shan Talent Project (17LZXT04)
the Doctoral Foundation Project of Southwest University of Science and Technology (18zx7148)
Article History
Received: 3 September 2019
First Online: 3 December 2019
Compliance with ethical standards
:
: The authors declare no conflict of interest.