Influence of Helical Twisting Power on the Photoswitching Behavior of Chiral Azobenzene Compounds: Applications to High??Performance Switching Devices
M Alam, T Yoshioka, T Ogata, T Nonaka…
Index: Alam, Md. Zahangir; Yoshioka, Teppei; Ogata, Tomonari; Nonaka, Takamasa; Kurihara, Seiji Chemistry - A European Journal, 2007 , vol. 13, # 9 p. 2641 - 2647
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Citation Number: 45
Abstract
Abstract Five photochromic chiral azobenzene compounds and one nonphotochromic chiral compound were synthesized and characterized by IR, 1 H NMR spectroscopy, and elemental analysis. Cholesteric liquid crystalline phases were induced by mixing of the nonphotochromic chiral compound and one of the photochromic chiral azobenzene compounds in a host nematic liquid crystal (E44). The helical pitch of the induced ...
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