CJCU

Chem. J. Chinese Universities ›› 2001, Vol. 22 ›› Issue (4): 648.

• Articles • Previous Articles     Next Articles

Investigation of Second-order Optical Nonlinearities of Push-pull Azo-methine Dye LB Monolayer Film

LI Fu-You1, LIU Ting-Ting2, ZHAO Chao-Yang1, JIN Lin-Pei1, ZHAO Xing-Sheng2, GUO Jian-Quan1   

  1. 1. Department of Chemistry, Beijing Normal University, Beijing 100875, China;
    2. Department of Chemistry, Peking University, Beijing 100871, China
  • Received:1999-10-12 Online:2001-04-24 Published:2001-04-24

PDF (PC)

Abstract: Aseries of amphiphilic azo methine dyes with different relative positions of electron accepting groups, (E)-Noctadecyl-2-[2-(4-N,N-dimethylaminophenyl)azomethinyl]quinolinium iodide(QN2), (E)-Noctadecyl-4-[2-(4-N,N-dimethylaminophenyl)azomethinyl]quinolinium iodide(QN4) and (E) Noctadecyl-6-[2-(4-N,N-dimethylaminophenyl)azomethinyl] quinolinium iodide(QN6) were synthesized. These dye molecules were successfully transferred onto quartz by Langmiur-Blodgett(LB) technique. We studied the second harmonic generation(SHG) of their monolayers and found that the effect of relative position of acceptor group on SHGcan not be negligible.

Key words: Azo-methine dye, LB monolayer film, Second-harmonic generation, χzzz(2)

CLC Number: 

TrendMD: