The Effect of Tin Concentration on Microstructural, Optical and Electrical Properties of ITO Nanoparticles Synthesized Using Green Method
Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJMSEI-18-4_002
تاریخ نمایه سازی: 24 بهمن 1401
Abstract:
Indium tin oxide (ITO) nanoparticles were synthesized by green combustion method using indium (In) and tin (Sn) as precursors, and Carica papaya seed extract as novel fuel. This paper highlights effect of tin concentration (۵%, ۱۰% and ۵۰%) on microstructural, optical and electrical properties of ITO nanoparticles (NPs). The indium nitrate and tin nitrate solution along with the fuel were heated at ۶۰۰ °C for ۱ h in muffle furnace and obtained powder was calcinated at ۶۵۰ °C for ۳ h to produce ITO NPs. The above properties were investigated using XRD, FTIR, UV-Vis spectroscopy, SEM, TEM and computer controlled impedance analyser. The XRD, SEM and TEM investigations reveals the synthesized NPs were spherical in shape with an increase in average grain size (۱۷.۶۶ to ۳۵ nm) as Sn concentration increases. FTIR investigations confirms the In-O bonding. The optical properties results revealed that the ITO NPs band gap decreased from ۳.۲۱ to ۲.۹۸ eV with increase in Sn concentration. The ac conductivity of ITO NPs was found to increase with increase in Sn concentration. These synthesised ITO NPs showed the excellent properties for emerging sensor and optical device application.
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Authors
Mala Siddaramappa
Siddaganga Institute of Technology, Tumakuru, India
Haraluru Kamala Eshwaraiah Latha
Siddaganga Institute of Technology, Tumkur
Haraluru Shankaraiah Lalithamba
Siddaganga Institute of Technology
Andi Udayakumar
Council of Scientific and Industrial Research-National Aerospace Laboratories
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