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Spectroscopic Investigation of the Poly[(Silylene)acetylene silanes]
Yan Mei1; Chen Xin1; Tan Yong xia2; Zhang Zhi-jie2; Xie Ze-min2
2009-06-01
Source PublicationSPECTROSCOPY AND SPECTRAL ANALYSIS
ISSN1000-0593
Volume29Issue:6Pages:1665-1667
AbstractIn the present paper, a series of novel conjugated polymers, poly[(silylene) acetylene silanes] with different structure, were prepared, and the luminescence performance of the poly[(silylene) acetylene silanes] with different substituents were investigated by the fluorescence and UV absorption spectroscopic approaches. The effect of different substituents and the number of acetylene in the main chain on the luminescence was discussed in depth. The result showed that these polymers have moderate absorbance in the range from 219 to 260 nm. The red shift was showed for the maximum absorbance wavelength following the increase in the number of the acetylene and the degree of the conjugation in the main chain. There was insignificant difference in the maximum absorbance wavelength of the polymers with dimethy and diphenyl. In short, the influence of the substituents is insignificant. However, the remarkable effect was induced by the conjugated structure in the main chain. The conjugated polymers with different structure in the main chain have moderate fluorescence and emission quantum yields. The authors studied the influence of the polymers' structure on the luminescence performance. As a result, the influence of the substituents is insignificant for emission spectra. The influence of the conjugated groups in the main chain of the polymers is remarkable. The maximum emission wavelength of the polymers showed an evident shift to red range with the enhancement of the conjugated extent. These polymers had good thermal properties for the special structures. So they have potential applications for emission materials with good thermal stability.
KeywordAcetylene Poly[(Silylene) Silane] Fluorescence Uv-vis Spectra
DOI10.3964/j.issn.1000-0593(2009)06-1665-03
Indexed BySCI
Language英语
WOS IDWOS:000266681400052
PublisherOFFICE SPECTROSCOPY & SPECTRAL ANALYSIS
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Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/66304
Collection中国科学院化学研究所
Corresponding AuthorYan Mei
Affiliation1.Univ Jinan, Sch Chem & Chem Engn, Jinan 250022, Peoples R China
2.Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Yan Mei,Chen Xin,Tan Yong xia,et al. Spectroscopic Investigation of the Poly[(Silylene)acetylene silanes][J]. SPECTROSCOPY AND SPECTRAL ANALYSIS,2009,29(6):1665-1667.
APA Yan Mei,Chen Xin,Tan Yong xia,Zhang Zhi-jie,&Xie Ze-min.(2009).Spectroscopic Investigation of the Poly[(Silylene)acetylene silanes].SPECTROSCOPY AND SPECTRAL ANALYSIS,29(6),1665-1667.
MLA Yan Mei,et al."Spectroscopic Investigation of the Poly[(Silylene)acetylene silanes]".SPECTROSCOPY AND SPECTRAL ANALYSIS 29.6(2009):1665-1667.
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