Synthesis, optical properties and stability of two σ-π conjugated polycarbosilanes with silylene-1,2-diphenyleneethylene-silylene and silylene-terephthalyidene-silylene backbones via Grignard reactions
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- 作者：Fen Chena ; b ; Rui Zhoua ; b ; Liang Liaoa ; b ; Ru Jiaa ; b ; Rong Zhaoa ; b ; Changping Fua ; b ; c ; Rongqian Yaoa ; b ; c ; rqyao@xmu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Zude Fenga ; b
- 关键词：Polycarbosilane ; Diphenyl ; Photoluminescence ; σ-π conjugation ; Oxidation cross-linking ; Ultraviolet radiation
- 刊名：Synthetic Metals
- 出版年：2016
- 出版时间：November 2016
- 年：2016
- 卷：221
- 期：Complete
- 页码：253-260
- 全文大小：1767 K
文摘
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Two PCS products with phenyl in the backbone were synthesized via Grignard reactions.
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PCS-SDS with diphenyl possesses extended σ-π conjugation and good optical property.
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PCS-SDS indicates higher quantum yield and better thermal stabilities than PCS-STS.
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Excellent PL is attributed to combined delocalization of σ-σ* and π-π* transitions.
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PCS-SDS may be an attractive candidate for organic electroluminescent devices.