Yang Cheng, Gu Hongwei, Lin Wei, Yuen Matthew M, Wong Ching Ping, Xiong Mingyong, Gao Bo
Department of Mechanical Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, China.
Adv Mater. 2011 Jul 19;23(27):3052-6. doi: 10.1002/adma.201100530. Epub 2011 May 17.