Citation: . CHIRAL CONJUGATED OLIGOMER BASED ON 1,1’-BINOL WITH 3,3’-ACETYLENE-PHENYLENE-ACETYLENE SPACER[J]. Chinese Journal of Polymer Science, ;2001, 19(5): 521-526. shu

CHIRAL CONJUGATED OLIGOMER BASED ON 1,1’-BINOL WITH 3,3’-ACETYLENE-PHENYLENE-ACETYLENE SPACER

Received Date: 16 February 2001
Revised Date: 8 March 2001

The 1,1'-binaphthol based oligomers 3 and 7 with 3, 3'-acetylene-phenylene-acetylene spacer were prepared fromBINOL 1. The high optical rotation value and CD spectra demonstrated the main chain chirality of the oligomer molecule.The UV-VIS and fluorescent spectra evidence the characteristics of conjugated structure. In comparison with oligomer 2bearing 3,3'-acetylene spacer, the oligomers 3 and 7 have longer efficient conjugation segment, and their fluorescent quantumyields (φ) increased (0.60-0.65 versus 0.14).Extending the effective conjugation segment would improve the photophysical properties of chiral conjugated polymers.
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