Photophysical processes of a copolymer containing 1,1'-binaphthyl-2,2'-diamino and carbazolyl units.
The photophysical processes of copolymer formed by copolymerization of 2,2'-dimethacrylamido-1,1'-binaphthyl (DMBN) with vinylcarbazole (VCZ) have been carefully studied. The results show that when the solution of copolymer (DMBN-VCZ) in THF located in low concentration range (< 10(-3) mg/ml), the fluorescence emission is in good agreement with that of DMBN monomer and the excimer is formed with gradual increase in concentration of copolymer (DMBN-VCZ). The fluorescence of copolymer (DMBN-VCZ) can be quenched both by electron donors and acceptors where the quenching effects follow the Stern-Volmer equation. The dimolecular exciplex between copolymer (DMBN-VCZ) and N,N-dimethylaniline (DMA) are formed and the triple exciplexes are also observed in the same system.
Chen
Zhaobin
Z
Department of Chemistry, University of Shanxi, Taiyuan 030006, PR China. zchen@sxu.edu.cn
Zhang
Caihong
C
Bai
Fenglian
F
D000588:Amines / Q000737:chemistry*; D002227:Carbazoles / Q000737:chemistry*; D049449:Luminescence; D009281:Naphthalenes / Q000737:chemistry*; D013050:Spectrometry, Fluorescence; D014753:Vinyl Compounds / Q000737:chemistry*
D000588:Amines; D002227:Carbazoles; D009281:Naphthalenes; D014753:Vinyl Compounds; C412330:1,1'-binaphthyl