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Sukhwinder Singh Brar,Aman Mahajan,R. K. Bedi 대한금속·재료학회 2014 ELECTRONIC MATERIALS LETTERS Vol.10 No.1
For this study thin films of 9,10-dibromoanthracene (DiBrAn) were prepared by hot wall evaporation technique onto the glass substrate under different experimental conditions for light emitting applications. These films were systematically characterized for structural, optical and electrical studies by x-ray diffraction, atomic force microscope, scanning electron microscope, Fourier transform infrared spectroscopy, UV-Vis spectroscopy, and photoluminescence investigations. On examination, crystallinity, electrical conductivity and optical band gap of the DiBrAn films were found to increase with increase in substrate temperature. The wide optical band gap and strong blue emission of DiBrAn make this material an efficient blue emitter.
Growth of Amino Substituted Anthracene Thin Films under Non Thermal Equilibrium Conditions
Sukhwinder Singh Brar,Aman Mahajan,R. K. Bedi 대한금속·재료학회 2014 ELECTRONIC MATERIALS LETTERS Vol.10 No.5
To enhance the performance and increase the lifetime of anthracene-based light emitting applications, thin films of amino substituted anthracene (1-Aminoanthracene and 2-Aminoanthracene) were prepared under non thermal equilibrium conditions using thermal evaporation technique onto the glass substrate kept at different temperatures. The prepared films were studied for their structural, optical and electrical properties. X-ray diffraction analysis indicated that 1-aminoanthracene deposited films were amorphous and 2-aminoanthracene films were polycrystalline in nature. The substrate temperature was found to significantly affect the morphology, electrical and optical properties. Films grown at elevated temperatures showed improved electrical conductivity. Besides these, the position of amino substitution showed significant effects on molecular packing and properties of films.