Nano-filler Co-nanoparticles embedded in a Silica aerogel matrix
Publish place: International Journal of Nano Dimension، Vol: 12، Issue: 4
Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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JR_IJND-12-4_002
تاریخ نمایه سازی: 10 خرداد 1401
Abstract:
In present research, we synthesized cobalt-based silica nanocomposites (Co-SiO۲) from cobalt nitrate [Co(NO۳)۲] and tetraethoxysilane (TEOS) precursors by using a simple sol-gel method followed by supercritical drying techniques. The physicochemical and textual properties of the as synthesized nano composites were thoroughly investigated. The results indicated that the Co-SiO۲ aerogels demonstrated homogeneous dispersion cobalt nanoparticles within silica matrix with mesoporous morphology, large specific surface area (۸۰۲ m۲/g) and larger pore size (۹ nm) with less volume shrinkage. The physico-chemical properties of the cobalt based silica nanomaterial were characterized by XRD, SEM, N۲ adsorption-desorption and FTIR techniques. Cobalt-based silica nanocomposites can be produced using TEOS-based precursor and supercritical drying techniques. The prepared (Co-SiO۲) nanocatalyst due to its magnetic nature with higher surface area (۸۰۲ m۲/g) can be utilized in many emerging fields such as catalysis, water desalination, water splitting, gas-sensing application and organic pollutant degradation.
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Authors
Sapna Jadhav
Department of Physics, University of Mumbai, Kalina, Mumbai-۴۰۰۰۹۸, India.
Arwa Makki
University of Jeddah, Collage of Science, Department of Biochemistry-۸۰۳۲۷, Jeddah, KSA.
Dina Hajjar
University of Jeddah, Collage of Science, Department of Biochemistry-۸۰۳۲۷, Jeddah, KSA.
Pradip Sarawade
Department of Physics, University of Mumbai, Kalina, Mumbai-۴۰۰۰۹۸, India.
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