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Optical Study on Deposed Polystyrene Doped DCM Laser Dye Thin Films at Different Temperature

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Polystyrene (PS) polymer doped with DCM laser dye thin films have prepared on glass substrate using casting method. The obtained PS doped with DCM thin films were treated at different annealing temperatures such (30, 40, 50, 60, 70) °C. It was observed from result that the allowed direct electronic transitions energy gap was increased from 2.21 up to 2.3e.V as the temperature increasing from 30-70°C. And the allowed indirect electronic transition energy gap rose from 0.06 to 0.15e.V as the temperature increasing. The allowed indirect phonon energy also was decreased at the same range of temperature. The different effect of temperature variation was observed on the optical properties of PS doped with DCM thin films.


International Letters of Chemistry, Physics and Astronomy (Volume 68)
A. S. Tuhaiwer "Optical Study on Deposed Polystyrene Doped DCM Laser Dye Thin Films at Different Temperature", International Letters of Chemistry, Physics and Astronomy, Vol. 68, pp. 39-47, 2016
Online since:
Jul 2016

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