Strongly red-fluorescent novel donor-pi-bridge-acceptor-pi-bridge-donor (D-pi-A-pi-D) type 2,1,3-benzothiadiazoles with enhanced two-photon absorption cross-sections |
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Authors: | Kato Shin-ichiro Matsumoto Taisuke Ishi-i Tsutomu Thiemann Thies Shigeiwa Motoyuki Gorohmaru Hideki Maeda Shuichi Yamashita Yoshiro Mataka Shuntaro |
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Institution: | Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, Kasuga, Japan. |
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Abstract: | Novel donor-pi-bridge-acceptor-pi-bridge-donor (D-pi-A-pi-D) type 2,1,3-benzothiadiazole fluorescent dyes connected to the N,N-diarylamino terminus via various type pi-conjugate spacers exhibits large two-photon absorption cross-sections and high fluorescent quantum yields in orange-red color. |
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