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Journal of Particle Science and Technology، جلد ۲، شماره ۲، صفحات ۸۷-۹۳
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عنوان انگلیسی Effect of Sn Doping on Structural and Optical Properties of 2D α-MoO3 Nanostructures
چکیده انگلیسی مقاله Undoped and Tin (Sn) doped Molybdenum trioxide (α-MoO3) nanostructured thin films (which has lamellar (2D) structure) have been prepared using a simple and cost effective technique of spray pyrolysis on glass substrates at 450 ℃. Surface morphology, optical and structural properties of samples have been investigated using FESEM, UV-Vis spectroscopy and XRD analysis techniques, respectively. FESEM images showed the formation of some discrete micro-spheres on the surface, which with the increasing in the amount of dopant homogenous and dense nano-platelets was grown on top of these micro-spheres. The XRD pattern analysis shows that all samples have been grown in orthorhombic (α-MoO3) crystal structure and except for the sample doped with 50 at% Sn which had a weak peak of SnO2, no peak have been observed corresponding to the incorporation of Sn. By increasing the amount of impurity, optical transmittance of samples were increased from ~27 to 50%. Also, the band gap of samples were calculated using transmission data. An increasing of band gap from 3.34 to 3.89 eV was observed with increasing in the amount of doping.
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نویسندگان مقاله امین افتخاری |
department of physics, shahrood university of technology, shahrood, iran
سازمان اصلی تایید شده: دانشگاه صنعتی شاهرود (Shahrood university of technology)

محمد باقر رحمانی | mohammad bagher
department of physics, shahrood university of technology, shahrood, iran
سازمان اصلی تایید شده: دانشگاه صنعتی شاهرود (Shahrood university of technology)

فاطمه masdarolomoor |
department of chemistry, shahrood university of technology, shahrood, iran
سازمان اصلی تایید شده: دانشگاه صنعتی شاهرود (Shahrood university of technology)

نشانی اینترنتی http://jpst.irost.ir/article_414_e55e49edb20e4728119d83bfa798cd57.pdf
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/503/article-503-485490.pdf
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زبان مقاله منتشر شده en
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