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학술저널
저자정보
Jawad, Muhammad (Department of Chemistry, COMSATS University Islamabad - Abbottabad Campus) Ali, Shazia (Department of Chemistry, COMSATS University Islamabad - Abbottabad Campus) Waseem, Amir (Department of Chemistry, Quaid-i-Azam University) Rabbani, Faiz (Department of Environmental Sciences, COMSATS University Islamabad - Vehari Campus) Amin, Bilal Ahmad Zafar (Department of Environmental Sciences, COMSATS University Islamabad - Abbottabad Campus) Bilal, Muhammad (Department of Environmental Sciences, COMSATS University Islamabad - Abbottabad Campus) Shaikh, Ahson J. (Department of Chemistry, COMSATS University Islamabad - Abbottabad Campus)
저널정보
테크노프레스 Advances in nano research Advances in nano research 제7권 제3호
발행연도
2019.1
수록면
169 - 180 (12page)

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Plasmonic effects of gold and platinum alloy nanoparticles (Au-Pt NPs) and their comparison to size was studied. Various factors including ratios of gold and platinum salt, temperature, pH and time of addition of reducing agent were studied for their effect on particle size. The size of gold and platinum alloy nanoparticles increases with increasing concentration of Pt NPs. Temperature dependent synthesis of gold and platinum alloy nanoparticles shows decrease in size at higher temperature while at lower temperature agglomeration occurs. For pH dependent synthesis of Au-Pt nanoparticles, size was found to be increased by increase in pH from 4 to 10. Increasing the time of addition of reducing agent for synthesis of pure and gold-platinum alloy nanoparticles shows gradual increase in size as well as increase in heterogeneity of nanoparticles. The size and elemental analysis of Au-Pt nanoparticles were characterized by UV-Vis spectroscopy, XRD, SEM and EDX techniques.

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