TY - JOUR
T1 - UV study on the thermal stability of disperse red 1 films incorporated with reactive silica
AU - Lee, Jae Suk
AU - Cho, Young Sun
AU - Cho, Gyoujin
AU - Jung, Kyeong Taek
AU - Shul, Yong Gun
AU - Choi, Moon Gun
PY - 1996
Y1 - 1996
N2 - The thermal stability of thin DR1/PMMA, DR1/silica, and DRS/silica systems was studied by UV spectroscopy. DRS which can covalently bind with reactive silica was synthesized between 4-[ethyl(2-hydroxyethyl) amino]-4′-nitro azobenzene (disperse red 1, DR1) and 3-isocyanatopropyl triethoxy silane, The characterization of chemicals and incorporated films were carried out by UV/VIS spectroscopy, DTA, 1H- and 13C-NMR, and FT-IR. After poling of DR1 and DRS incorporated at various temperatures, the UV absorbance decreased due to the alignment of DR1 and DRS by electric field. The second harmonic generation response was obtained by using Nd: YAG laser. The thermal stability of DRS and DRS/silica system was enhanced, compared to that of DR1 and DR1/silica system, respectively.
AB - The thermal stability of thin DR1/PMMA, DR1/silica, and DRS/silica systems was studied by UV spectroscopy. DRS which can covalently bind with reactive silica was synthesized between 4-[ethyl(2-hydroxyethyl) amino]-4′-nitro azobenzene (disperse red 1, DR1) and 3-isocyanatopropyl triethoxy silane, The characterization of chemicals and incorporated films were carried out by UV/VIS spectroscopy, DTA, 1H- and 13C-NMR, and FT-IR. After poling of DR1 and DRS incorporated at various temperatures, the UV absorbance decreased due to the alignment of DR1 and DRS by electric field. The second harmonic generation response was obtained by using Nd: YAG laser. The thermal stability of DRS and DRS/silica system was enhanced, compared to that of DR1 and DR1/silica system, respectively.
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U2 - 10.1080/10587259608040309
DO - 10.1080/10587259608040309
M3 - Article
AN - SCOPUS:0029707696
SN - 1058-725X
VL - 280
SP - 53
EP - 58
JO - Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals
JF - Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals
ER -