Yan Liang, Shao Ming, Wang Hsin, Dudis Douglas, Urbas Augustine, Hu Bin
Department of Materials Science and Engineering, University of Tennessee, Knoxville, TN 37996, USA.
Adv Mater. 2011 Sep 15;23(35):4120-4. doi: 10.1002/adma.201101634. Epub 2011 Aug 2.