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Journal of Nanostructures، جلد ۷، شماره ۱، صفحات ۴۷-۵۶
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عنوان انگلیسی Synthesis, Humidity Sensing, Photocatalytic and Antimicrobial Properties of Thin Film Nanoporous PbWO4-WO3 Nanocomposites
چکیده انگلیسی مقاله A humidity sensor thin film based on nanoporous PbWO4-WO3 composites has been prepared by spin coating technique with different weight ratio of PbWO4 (Pb) and WO3 (WO) (PWWO-01, PWWO-82, PWWO-64, PWWO-46, PWWO-28, PWWO-01) and their humidity sensing properties have also been investigated at different relative humidity (RH) in the range of 5% - 98% at room temperature with dc resistance. It is found that composite PWWO-28 show best humidity sensing properties with the sensitivity factor value of (Sf) 3733. The response and recovery time of humidity sensor are about 50 s and 120 s, respectively. High sensitivity, narrow hysteresis loop, rapid response and recovery, prominent stability and good repeatability are obtained. Synthesized PbWO4-WO3 composites were characterized by power X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), BET and photoluminescence (PL) studies. The photocatalytic result demonstrated photocatalytic efficiency of nonporous PWWO-28 composite. The antimicrobial activity of the composites was determined by disc diffusion method.
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نویسندگان مقاله markasagayam visagamani arularasu | markasagayam visagamani
pg and research department of chemistry, presidency college autonomous , chennai, tamil nadu, india

rangasamy sundaram |
pg and research department of chemistry, presidency college autonomous , chennai, tamil nadu, india

chinnapan ماریا magdalane | chinnapan maria
department of chemistry, st. xavier’s college autonomous , tirunelveli, india

kasinathan kanimozhi |
pg research amp;amp; department of chemistry, auxilium college autonomous , vellore, india

kaviyarasu kasinathan |
unesco-unisa africa chair in nanoscience’s nanotechnology laboratories, college of graduate studies, university of south africa unisa , muckleneuk ridge, pretoria, south africa

force tefo thema | force tefo
unesco-unisa africa chair in nanoscience’s nanotechnology laboratories, college of graduate studies, university of south africa unisa , muckleneuk ridge, pretoria, south africa

douglas letsholathebe |
department of physics, university of botswana, private bag 0022, gaborone, botswana

genene tessema مولا | genene tessema
school of chemistry and physics, university of kwazulu-natal, private bag x01, scottsville, 3209, pietermaritzburg, south africa

مالک maaza |
unesco-unisa africa chair in nanoscience’s nanotechnology laboratories, college of graduate studies, university of south africa unisa , muckleneuk ridge, pretoria, south africa

نشانی اینترنتی http://jns.kashanu.ac.ir/article_44856_3ffffa9ad186aab15a11317487f49d09.pdf
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/497/article-497-371178.pdf
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زبان مقاله منتشر شده en
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