1. Institute
of Photonics and Photon-technology, International Scientific and Technological
Cooperation Base of Photoelectric Technology and Functional Materials
and Application, Northwest University, 229 North Taibai Road, Xi’an 710069, People’s Republic of China
2. Department of Mechanical Engineering & Biomedical Engineering Program, University of South Carolina, Columbia, South Carolina 29208, United States
3. Key
Laboratory for Molecular Enzymology and Engineering of Ministry of
Education, Jilin University, Changchun 130012, People’s Republic of China
4. Department
of Mechanical Engineering, Virginia Tech, Blacksburg, Virginia 24061, United States