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논문 기본 정보

자료유형
학술저널
저자정보
M. Reefaz Rahman (American International University- Bangladesh) M. Nasir Uddin (American International University- Bangladesh) Tasnim Ashrafy (University of Liberal Arts Bangladesh) Mostofa Washif (Chittagong University of Engineering and Technology) M. Rakib Uddin (SUNY Polytechnic Institute) Mahbubul Hoq (Bangladesh Atomic Energy Commission) Ahmed Hasnain Jalal (Florida International University)
저널정보
한국전기전자재료학회 Transactions on Electrical and Electronic Materials Transactions on Electrical and Electronic Materials 제23권 제3호
발행연도
2022.6
수록면
205 - 218 (14page)
DOI
https://doi.org/10.1007/s42341-021-00341-0

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Intrinsic zinc oxide thin fi lms have defi ciencies in terms of structural, optical and electronic characteristics, which has given rise to researches on metal doped zinc oxide fi lms in the interest of enhancing its characteristics. Indium tin oxide, Au, Ag, Pt and Ti; which are extensively used in industrial level thin film applications but aluminum has low cost than those metals, so by doping with this on ZnO thin films, its performance and quality on the morphological, elemental, structural, optical and electrical attributes were analyzed in this research. Tuning of ZnO nanocrystalline thin fi lms’ optical band gap, doped by diff erent materials simplifi es possible elements for photonic applications. Sol?gel spin coating method has been used for these analyses which was accustomed to gain the Al doped ZnO (AZO) parent compounds on silicon-glass substrates. Ultra violet visible spectrophotometer was used to determine band gap tuning characteristics, urbach energy, transmittance and absorption properties. The Moss-Burstein outcome imprints the blue shift with thickness increment of the absorption end and there is a clear relationship between band gap and urbach energy. Tuning of band gap value varies from 3.22 eV to 3.26 eV by varying the fi lm thickness from 100 to 300 nm. A non-linear, non-monotonic relation has been seen for the change of optical and structural parameters of AZO thin fi lms. Deep research of structural and optical properties represents important information to get a better perspective of band gap dependence on structural properties.

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