Lee, Joong Suk; Son, Seon Kyoung; Song, Sanghoon; Kim, Hyunjung; Lee, Dong Ryoul; Kim, Kyungkon; Ko, Min Jae; Choi, Dong Hoon; Kim, Bong Soo; Cho, Jeong Ho Chemistry of Materials, 2012 , vol. 24, # 7 p. 1316 - 1323