Ouyang Gang, Yang Guowei, Sun Changqing, Zhu Weiguang
State Key Laboratory of Optoelectronic Materials and Technologies, Institute of Optoelectronic and Functional Composite Materials School of Physics, Science, and Engineering, Zhongshan University Guangzhou, 510275, PR China.
Small. 2008 Sep;4(9):1359-62. doi: 10.1002/smll.200800129.