Yupu Zhang1,2, Lili Wang3,*, Hao Xu1, Junming Cao1, Duo Chen1, and Wei Han1,2,*
1 Sino‐Russian International Joint Laboratory for Clean Energy and Energy Conversion Technology, College of Physics, Jilin University, Changchun, 130012 P. R. China
2 International Center of Future Science, Jilin University, Changchun City, 130012 P. R. China
3 State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun, 130012 P. R. China