Thermal stability and structural characterization of organic/inorganic hybrid nonlinear optical material containing a two-dimensional chromophore.
作者： Po-Hsun Chang , Hsieh-Chih Tsai , Yu-Ren Chen , Jian-Yu Chen , Ging-Ho Hsiue
DOI: 10.1021/LA802213V
关键词:
摘要: In this study, two nonlinear optic hybrid materials with different dimensional alkoxysilane dyes were prepared and characterized. One NLO silane (Cz2PhSO2OH- TES), a two-dimensional structure based on carbazole, had larger rotational volume than the other (DR19-TES). Second harmonic (d33) analysis verified there is an optimum heating process for best poling efficiency. The maximum d33 value of film containing Cz2PhSO2OH was obtained 10.7 pm/V after precuring at 150 °C 3 h 210 60 min. solid-state 29Si NMR spectrum shows that main factor influencing efficiency thermal stability cross-linking degree silane, but not TMOS. particular, sol−gel system has greater dynamic temporary one-dimensional due to Cz2PhSO2OH-TES requiring rotate in matrix cross-linking.
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