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作者:

Wen, Jie (Wen, Jie.) | Tong, Jin (Tong, Jin.) | Kou, Ya-Lan (Kou, Ya-Lan.) | Wang, Ji (Wang, Ji.) | Yu, Shu-Yan (Yu, Shu-Yan.)

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EI Scopus SCIE

摘要:

Five tetraphenylethene (TPE) derivatives 1a, 1b, 2, 3, and 4 with adjustable stimuli-responsive characteristics were designed and synthesized in this study. Using single-crystal X-ray diffraction, the effects of substitution positions and pyrazolyl numbers on molecular packing were examined in the solid state. The findings indicate that as the pyrazolyl numbers increased, the molecular packing of the compound progressively changed from the C- H & sdot;& sdot;& sdot;pi stacked compact mode in 1 - 3 to the X-crossing stacked loose mode in 4, which results in the origin of various stimuli-responsive phenomena in compound 4. This approach facilitates the preparation of multi-stimuli-responsive (thermochromism, mechanochromism, and metal ion fluorescence switch) smart fluorophores with tunable emission color. Moreover, compound 4, with an excellent fluorescence performance, exhibited three different colors when reversible mechanochromism was selected as the candidate for an optical recording material and security ink. This study proposes an effective method to guide the design of stimuli-responsive materials, which, in turn, would facilitate the development of high-contrast MC molecules, and the optical information anticounterfeiting based on grinding was proven by utilizing the grindresponsive luminescence capabilities.

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作者机构:

  • [ 1 ] [Wen, Jie]Beijing Univ Technol, Dept Chem, Beijing Key Lab Green Catalysis & Separat, Lab Selfassembly Chem, Beijing 100124, Peoples R China
  • [ 2 ] [Tong, Jin]Beijing Univ Technol, Dept Chem, Beijing Key Lab Green Catalysis & Separat, Lab Selfassembly Chem, Beijing 100124, Peoples R China
  • [ 3 ] [Kou, Ya-Lan]Beijing Univ Technol, Dept Chem, Beijing Key Lab Green Catalysis & Separat, Lab Selfassembly Chem, Beijing 100124, Peoples R China
  • [ 4 ] [Wang, Ji]Beijing Univ Technol, Dept Chem, Beijing Key Lab Green Catalysis & Separat, Lab Selfassembly Chem, Beijing 100124, Peoples R China
  • [ 5 ] [Yu, Shu-Yan]Beijing Univ Technol, Dept Chem, Beijing Key Lab Green Catalysis & Separat, Lab Selfassembly Chem, Beijing 100124, Peoples R China

通讯作者信息:

  • [Tong, Jin]Beijing Univ Technol, Dept Chem, Beijing Key Lab Green Catalysis & Separat, Lab Selfassembly Chem, Beijing 100124, Peoples R China

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来源 :

DYES AND PIGMENTS

ISSN: 0143-7208

年份: 2024

卷: 223

4 . 5 0 0

JCR@2022

被引次数:

WoS核心集被引频次: 4

SCOPUS被引频次: 3

ESI高被引论文在榜: 0 展开所有

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