Katsuta, Shuhei; Saeki, Hiroyuki; Tanaka, Katsuki; Murai, Yuki; Kuzuhara, Daiki; Misaki, Masahiro; Aratani, Naoki; Masuo, Sadahiro; Ueda, Yasukiyo; Yamada, Hiroko Journal of Materials Chemistry C, 2014 , vol. 2, # 6 p. 986 - 993