Kim, Byungsook; Lee, Miseon; Mi, Jung Kim; Lee, Hyunjoo; Kim, Sanghee; Kim, Deukjoon; Koh, Minseob; Seung, Bum Park; Kye, Jung Shin Journal of the American Chemical Society, 2008, vol. 130, # 49 p. 16807 - 16811 doi: 10.1021/ja806304s