Synthesis and photophysical properties of two novel 2-naphthyl ketone derivatives

DENG Yunlong; FENG Shasha; CAO Duxia; LIU Zhiqiang

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Synthesis and photophysical properties of two novel 2-naphthyl ketone derivatives

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- Synthesis and photophysical properties of two novel 2-naphthyl ketone derivatives
- CIESC Journal Issue 4, Pages: 1052-1057(2010)
- 作者机构：
  
  1. 济南大学材料科学与工程学院,山东,济南,250022
  2. 山东大学晶体材料国家重点实验室,山东,济南,250100
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 April 2010，
  
  Published：05 April 2010
- 稿件说明：
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DENG Yunlong, FENG Shasha, CAO Duxia, et al. Synthesis and photophysical properties of two novel 2-naphthyl ketone derivatives[J]. CIESC Journal, 2010, (4): 1052-1057.
DOI：

DENG Yunlong, FENG Shasha, CAO Duxia, et al. Synthesis and photophysical properties of two novel 2-naphthyl ketone derivatives[J]. CIESC Journal, 2010, (4): 1052-1057. DOI：

摘要

以咔唑为电子给体、羰基为电子受体，合成了一个新的D-π-A型有机染料1(1-(2-萘基)-3-(N-乙基咔唑)-丙烯酮) 和一个新的以咔唑为电子给体中心的A-π-D-π-A V型双枝有机染料2(3

6-二［1-(2-萘基)丙烯酮］-N-丁基咔唑)。系统研究了它们在不同溶剂和聚合物基质中的光物理性质。研究发现，双枝有机染料2相对于单枝染料1吸收和荧光强度大大增强，在聚合物基质中的荧光强度相对于溶液中大大增强，即使掺杂浓度较高时也没有因生成分子的聚集体而发生明显的荧光猝灭。

Abstract

A new D-π-A type of single-branched organic dye 1(1-(2-naphthyl)-3-(N-ethyl- carbazolyl)-prop-2-en-one) and a new A-π-D-π-A V type of two-branched organic dye 2(3

6-bis［1-(2-naphthyl)-prop-2-en-one］-N-butyl-carbazole) are synthesized.The photophysical properties of the dyes in different solvents and polymer matrices are investigated.The results reveal that two-branched organic dye 2 has stronger absorption and fluorescence emission than dye 1.With little aggregation of molecules，the fluorescence intensity of the two organic dyes in the polymer matrices is greatly increased compared with that in the solvents at the same concentration.

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