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    • Aggregation enhanced emission (AEE) in organic salt: A structure-property correlation based on single crystal studies

      Uttam Kumar Das Parthasarathi Dastidar

      Special issue on Chemical Crystallography Volume 126 Issue 5 September 2014 pp 1357-1362

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/jcsc/126/05/1357-1362

    • Keywords

       

      AIE; AEE; single crystal; salt,crystal engineering.

    • Abstract

       

      Salt formation has been shown as a simple strategy to induce aggregated induced emission or aggregated enhanced emission in primary ammonium salts derived from 9-anthracene carboxylic acid, 1-pyrene carboxylic acid, 3-coumarin carboxylic acid and histamine. All the salts displayed enhanced fluorescence in their solid state compared to that in their solution state. Single crystal structure of the salt of 9-anthracene carboxylic acid i.e., His-anthracene revealed that restricted intramolecular rotation of the fluorphoric moiety (anthracene) was responsible for such radiative pathway leading to enhanced emission.

    • Author Affiliations

       

      Uttam Kumar Das1 Parthasarathi Dastidar1

      1. Department of Organic Chemistry, Indian Association for the Cultivation of Science, 2A & 2B Raja S C Mullick Road, Jadavpur, Kolkata 700 032, West Bengal, India

    • Dates

       
      Published
      September 2014
      Manuscript received
      19 May 2014
      Manuscript revised
      21 August 2014
      Accepted
      1 September 2014

    • Supplementary Material

       

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