Zhai Tianrui, Zhang Xinping, Pang Zhaoguang, Dou Fei
Institute of Information Photonics Technology and College of Applied Sciences, Beijing University of Technology, Beijing 100124, China.
Adv Mater. 2011 Apr 26;23(16):1860-4. doi: 10.1002/adma.201100250. Epub 2011 Mar 4.