1. Key laboratory of Yunnan Provincial Higher Education Institutions for Organic Optoelectronic Materials and Devices
2. Kunming University
3. Kunming 650214
4. China
5. Kunming DeepLand Nanomaterial Research Institute
6. Department of Chemical Science and Technology
7. People's Republic of China
8. Department of Physics and Astronomy and London Centre for Nanotechnology University College London
9. London WC1E 6BT
10. UK