Polarized Electronic Spectra of Organic/Inorganic Hybrid Materials of Chiral Schiff Base Ni（ll） or Cu（ll） Complexes and Disperse Red 1 or Azobenzene in PMMA Films  

作　　者：Takashiro Akitsu Yukie Miura 

机构地区：[1]Department of Chemistry, Faculty of Science, Tokyo University of Science, Tokyo 162-8601, Japan

出　　处：《Journal of Chemistry and Chemical Engineering》2011年第5期443-450,共8页化学与化工（英文版）

摘　　要：We have prepared new chiral Schiff base complexes, and copper（Ⅱ） （2） to investigate steric effect of ligands for 1 and bis（N-R-l-phenylethyl-5- methoxysalicydenaminato） nickel（Ⅱ） （1） 2 and known bis（N-R-l-phenylethyl-3,5-dichlorosalicydenaminato） nickel（Ⅱ） （3） and copper（Ⅱ） （4）. By using two kinds of photochromic dyes, disperse red 1 （DRI） and azobenzene （AZ）, we investigated the efficiency of increasing optical anisotropy of organic/inorganic hybrid materials of 1 through 4＋AZ or DRI＋PMMA in polymethylmethacrylate （PMMA） cast films by Weigert effect （and compared with cis-trans isomerization by alternate UV and visible light for 3 and 4 to previous study）. Gradual increase of optical anisotropy was observed for all the hybrid materials regardless of flexibility of Schiff base complexes, and the degree of dichroism and weak intermolecular interactions were discussed based on polarized absorption electronic spectra.

关 键 词：PHOTOCHROMISM CHIRALITY polarized light metal complexes Schiff base. 

分 类 号：O625.632[理学—有机化学] TB332[理学—化学]