The Anomalous Temperature Dependence of Fluorescence Spectrum of Poly(2,5-di-n-butoxybenzene)

Chem. J. Chinese Universities ›› 1995, Vol. 16 ›› Issue (8): 1319.

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The Anomalous Temperature Dependence of Fluorescence Spectrum of Poly(2,5-di-n-butoxybenzene)

MA Yu-Guang¹, WU Ying¹, ZHANG Hai-Feng¹, TIAN Wen-Jing¹, SHEN Jia-Cong¹, LIU Shi-Yong², SUN Meng³

1. Key Lab.of Molecular Spectra and Structure, Jilin University, Changchun, 130023;
2. National Lab.of Integreted Optical Electronics, Jilin University, Changchun, 130023;
3. Department of Polymeric Science, Fudan University

Received:1995-04-13 Revised:1995-05-12 Online:1995-08-24 Published:1995-08-24

Abstract

Abstract: Poly(2,5-di-n-butoxybenzene)exhibits a strong fluorescence in the blue regions. The effects of temperature have been studied carefully.We found an anomalous temperature dependence of fluorescence spectrum of poly(2,5-di-n-butoxybenzene).When the temperature increases from 77 to 373 K,the intensity of fluorescence increases 30%.The temperature variations should have an effect on conformation of poly(2,5-di-n-butoxybenzene)from linear to coil.The coil conformation limits the exciton motile in a small region and decreases the trapping of exciton.

Key words: Poly(2,5-di-n-butoxybenzene), Fluorescence spectrum, Temperature dependence

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MA Yu-Guang, WU Ying, ZHANG Hai-Feng, TIAN Wen-Jing, SHEN Jia-Cong, LIU Shi-Yong, SUN Meng. The Anomalous Temperature Dependence of Fluorescence Spectrum of Poly(2,5-di-n-butoxybenzene)[J]. Chem. J. Chinese Universities, 1995, 16(8): 1319.

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The Anomalous Temperature Dependence of Fluorescence Spectrum of Poly(2,5-di-n-butoxybenzene)

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