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Iranian Journal of Chemistry and Chemical Engineering، جلد ۳۶، شماره ۵، صفحات ۱-۱۰
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عنوان انگلیسی Growth and Optical Properties Investigation of Pure and Al-doped SnO2 Nanostructures by Sol-Gel Method
چکیده انگلیسی مقاله SnO2 nanoparticles with different percentage of Al (5%, 15%, and25%) were synthesized by sol-gel method. The structure and nature of nanoparticles are determined by of X-ray diffraction analysis. Also morphology of the samples is evaluated by SEM. Moreover, the optical properties of the samples are investigated with UV-Visible and FT-IR. The XRD patterns are indicated that all samples and incorporation aluminum ions into the SnO2 lattice have tetragonal rutile structure. The crystalline size of nanoparticles is decreased with increasing the Al percentage. The SEM results confirmed that the size of nanoparticles decreases with increasing the Al percentage. Also, FT-IR and UV-Visible results showed that the optical band gap of nanoparticles increases with the increasing the Al percentage. Finally, we have used the EDX analysis to study the chemical composition of the products. Pure tin and oxygen have been observed. The doped samples showed the existence of Al atoms in the samples of the crystal structure of SnO2. 
کلیدواژه‌های انگلیسی مقاله Nanoparticles,SnO2,Sol-gel,Al-doped,Optical Properties
نویسندگان مقاله علیرضا رازقی زاده | ali reza
department of physics, faculty of science, payamenoor university, p.o. box 19395-3697 tehran, i.r. iran

لیلا زلقی |
department of physics, faculty of science, payamenoor university, p.o. box 19395-3697 tehran, i.r. iran

ایرج کاظمی نژاد |
department of physics, faculty of science, shahid chamran university of ahvaz, i.r. iran
سازمان اصلی تایید شده: دانشگاه شهید چمران (Shahid chamran university)

وحدت رفیعی |
department of physics, faculty of science, payamenoor university, p.o. box 19395-3697 tehran, i.r. iran

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