1. Department of Materials Science and Engineering
2. National Cheng Kung University
3. Tainan 70101
4. Taiwan
5. School of Materials Science and Engineering
6. Northwestern Polytechnical University
7. Xi'an 710072
8. People's Republic of China
9. The University of Danang
10. University of Science and Technology
11. Vietnam
12. Hierarchical Green-Energy Materials (Hi-GEM) Research Center