Effect of thermal annealing on optical properties of CR-39 polymeric track detector |
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| Authors: | Nidhi Renu Gupta Tanu Sharma Sanjeev Aggarwal S. Kumar |
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| Affiliation: | (1) Department of Physics, Kurukshetra University, Kurukshetra, 136 119, Haryana, India |
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| Abstract: | The samples of CR-39 polymer (TASTRAK, Bristol, England) were annealled thermally at various temperatures ranging from 100°C to 180°C for 1 hour, in air. FTIR spectroscopy reveals the structural degradation of CR-39 polymer due to thermal annealing above its glass transition temperature. Optical band gap of pristine and thermally annealed samples has been determined using UV-Visible absorption spectra. It has been observed that the optical band gap decreases continuously as a result of annealing. |
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| Keywords: | CR-39 polymer thermal annealing UV-Visible spectroscopy optical band gap FTIR spectroscopy |
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