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    • Spatial inhomogeneity in spectra and exciton dynamics in porphyrin micro-rods and micro-brushes: Confocal microscopy

      SHYAMTANU CHATTORAJ KANKAN BHATTACHARYYA

      Regular Article Volume 128 Issue 11 November 2016 pp 1717-1724

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/jcsc/128/11/1717-1724

    • Keywords

       

      Porphyrin; micro-rod; anisotropy; exciton coupling; confocal microscopy.

    • Abstract

       

      In an aqueous acidic solution, the porphyrin meso-tetra(4-sulfonatophenyl) porphyrin tetrasodium salt (TPPS) forms different kinds of assembly (micro-rods and micro-brush) depending on condition of evaporation. The exciton dynamics and emission spectra of the micro-rods and micro-brushes depend on spatialinhomogeneity. This is elucidated by time-resolved confocal microscopy.

    • Author Affiliations

       

      SHYAMTANU CHATTORAJ KANKAN BHATTACHARYYA

      1. Dates

         
        Published
        2 November 2016
        Manuscript received
        2 July 2016
        Manuscript revised
        12 August 2016
        Accepted
        13 August 2016

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