Hideo Hagiwara
Hitachi
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Publication
Featured researches published by Hideo Hagiwara.
Journal of The Chemical Society-perkin Transactions 1 | 1992
Mitsuo Katayose; Seiji Tai; Koichi Kamijima; Hideo Hagiwara; Nobuyuki Hayashi
A series of highly organic-soluble [bis(trialkylsiloxy)]silicon tetrakis(alkylthio)-2,3-naphthalocyanines [(R13SiO)2SiNc(SR2)4] have been synthesized, and their 1H NMR, electronic absorption and fluorescence spectra measured. These spectra indicate that (R13SiO)2SiNc(SR2)4 are monomeric in solution (10–2–10–7 mol dm–3). In their solid films, all Q-band absorption maxima of (R13SiO)2SiNc(SR2)4 are red-shifted from their monomeric Q-band maximum. The extent of shift significantly increases with decreasing R1 length of the axial substituents, but the effect is far less with ring substituents, R2. These observations are clearly explained using the exiton model. Our results indicated that novel naphthalocyanine (R13SiO)2SiNc(SR2)4 molecules have a J-type molecular arrangement in thin solid films.
Archive | 1991
Seiji Tai; Nobuyuki Hayashi; Koichi Kamijima; Takayuki Akimoto; Mitsuo Katayose; Hideo Hagiwara
Archive | 1989
Seiji Tai; Nobuyuki Hayashi; Koichi Kamijima; Mitsuo Katayose; Takayuki Akimoto; Hideo Hagiwara
Archive | 1988
Tai Seiji; Shigeru Hayashida; Nobuyuki Hayashi; Hideo Hagiwara; Mitsuo Katayose; Koichi Kamijima; Takayuki Akimoto; Susumu Era; S. Kobayashi; Akio Mukoh
Archive | 1991
Mitsuo Katayose; Nobuyuki Hayashi; Seiji Tai; Takayuki Akimoto; Koichi Kamajima; Hideo Hagiwara
Archive | 1997
昌彦 ▲廣▼; Hideo Hagiwara; Makoto Kaji; Masahiko Ko; Yasunori Kojima; 康則 小島; 秀雄 萩原; 誠 鍛治
Archive | 1995
Makoto Kaji; Yasunori Kojima; Shigeki Katogi; Masataka Nunomura; Hideo Hagiwara; Dai Kawasaki; Mitsumasa Kojima; Hiroshi Suzuki; Hidetaka Satou
Archive | 1989
Takayuki Akimoto; Hideo Hagiwara; Nobuyuki Hayashi; Mitsuo Katayose; Seiji Tai; Koichi Uejima
Archive | 1996
Hideo Hagiwara; Yasunori Kojima; Makoto Kaji; Mitsumasa Kojima; Haruhiko Kikkawa
Archive | 1996
Hideo Hagiwara; Sadatada Kodaira; 定正 小平; 秀雄 萩原