• Photoacoustic studies on excitation transfer in Rh6G and RhB dye mixture

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    • Keywords


      Photoacoustic spectroscopy; excitation transfer; Rhodamine 6G; Rhodamine B; dyes

    • Abstract


      The photoacoustic spectra of Rhodamine 6G (Rh6G), Rhodamine B (RhB) dyes and their mixtures were recorded at different concentrations. It is observed that in the mixture the photoacoustic signal increases due to excitation transfer from Rh6G to RhB in the wavelength region 480–530 nm. The excitation transfer rate estimated from these data show that resonance is dominant rather than the collisional transfer process.

    • Author Affiliations


      V N Rai1 S N Thakur1 D K Rai1

      1. Department of Physics, Banaras Hindu University, Varanasi - 221 005, India
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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