PHOTOPHYSICAL BEHAVI0RS OF OLIGOMER BASED ON 1, 1′-BINAPHTHOL WITH 3, 3′-ACETYLENE SPACER*

LIU Tianjun; WANG Dong; BAI Fenglian; LI Chaojun; William T. Slaven IV

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PHOTOPHYSICAL BEHAVI0RS OF OLIGOMER BASED ON 1, 1′-BINAPHTHOL WITH 3, 3′-ACETYLENE SPACER*

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- PHOTOPHYSICAL BEHAVI0RS OF OLIGOMER BASED ON 1, 1′-BINAPHTHOL WITH 3, 3′-ACETYLENE SPACER*
- Vol. 16, Issue 3, Pages: 234-240(1998)
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- Published：20 September 1998
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LIU Tianjun, WANG Dong, BAI Fenglian, et al. PHOTOPHYSICAL BEHAVI0RS OF OLIGOMER BASED ON 1, 1′-BINAPHTHOL WITH 3, 3′-ACETYLENE SPACER*[J]. 1998, 16(3): 234-240.
DOI：

LIU Tianjun, WANG Dong, BAI Fenglian, et al. PHOTOPHYSICAL BEHAVI0RS OF OLIGOMER BASED ON 1, 1′-BINAPHTHOL WITH 3, 3′-ACETYLENE SPACER*[J]. 1998, 16(3): 234-240. DOI：

摘要

The photophysical behaviors of the oligomer based on 1

1'-binaphthol with3

3'-acetylene spacer were investigated. The oligomer molecule has a naphthyl-acetylene-naphthyl effective conjugation segment. The atropic of the 1

1'-binaphthyl moiety led totwisted and rigid main chain in the oligomer. With the changes of the external environ-ment such as solvents used

solvent viscosity and ambient temperature

the wavelengthsof absorption and the intensities of fluorescence and absorption are changed slightly

but the fluorescent intensity and quantum yield can be influenced.The luminescent behaviors of the oligomer exhibit twisted intramolecular charge transfer characteristics

which could have a potential application in wavelength-stable light emitting material adaptable to ambient temperature and the solvents used in wide range.

Abstract

The photophysical behaviors of the oligomer based on 1

1'-binaphthol with3

3'-acetylene spacer were investigated. The oligomer molecule has a naphthyl-acetylene-naphthyl effective conjugation segment. The atropic of the 1

1'-binaphthyl moiety led totwisted and rigid main chain in the oligomer. With the changes of the external environ-ment such as solvents used

solvent viscosity and ambient temperature

the wavelengthsof absorption and the intensities of fluorescence and absorption are changed slightly

but the fluorescent intensity and quantum yield can be influenced.The luminescent behaviors of the oligomer exhibit twisted intramolecular charge transfer characteristics

which could have a potential application in wavelength-stable light emitting material adaptable to ambient temperature and the solvents used in wide range.

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