• Time-domain electron-spin-resonance studies on hydrogen atom transfer to photoexcited quinones

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      https://www.ias.ac.in/article/fulltext/jcsc/105/04-05/0273-0277

    • Keywords

       

      Time domain ESR; electron spin polarization; CIDEP; benzoquinone; hydroxyalkyl radical; semiquinone radical

    • Abstract

       

      Time-domain electron-spin-resonance studies onp-benzoquinone using ethanol and isopropanol as solvents show emissively polarized ESR spectra of semiquinone and hydroxyalkyl radicals within 0·5 μs after the laser pulse at 248 nm. The hydrogen abstraction from the alcohols by the triplet excited quinone is concluded to be the primary photochemical step.

    • Author Affiliations

       

      Ranjan Das1 P K Radha1 Balu Venkataraman1

      1. Tata Institute of Fundamental Research, Homi Bhabha Road, Bombay - 400 005, India
    • Dates

       
  • Journal of Chemical Sciences | News

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