Citation: GONG Mingxuan, REN Yanzhi, LIU Wang, GAO Manglai, ZHAO Yingying, BAI Yubai, LI Tiejin. ELECTROCHROMETIC STUDIES ON POLAR MULTILAYERS OF LIQUID CRYSTALLINE POLYMERS[J]. Chinese Journal of Polymer Science, ;1995, 13(2): 126-135. shu

ELECTROCHROMETIC STUDIES ON POLAR MULTILAYERS OF LIQUID CRYSTALLINE POLYMERS

Received Date: 5 December 1993

Electrochrometic measurements were carried on the Z-type Langmuir-Blodgett films oftwo liquid crystalline polymers: mono-{6-[4-(phenylazo) naphthyloxy] hexyl} (1a) andmono-{6-[4-(anthraquinone-1-azo) naphthyloxy] hexyl} (2a) ester of polymaleic acid. Itwas found that for both polymers, poling fields parallel and antiparalle1 to dipole momentsof the polymer side chains induce red and blue shift in absorption bands, respectively. Forpolymer la blue shift is accompanied by absorbance increase, while red shift sy absorbance decrease;but for polymer 2a only decrease in absorbance is observed.A simple model was proposed to analyze the results.
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