2006•Science of SinteringOpen access

Far-infrared spectroscopy of a nanocomposite of polyvinyl alcohol and lead sulfide nanoparticles

R. Kostić, M. Romčević, Dragan Marković, J. Kuljanin, Mirjana I. Čomor

Abstract

A nanocomposite consisting of lead sulfide (PbS) nanoparticles (NPs) with average diameter of 26 ?, according to absorption threshold shift, and polyvinyl alcohol (PVA) was characterized using far-infrared absorption spectroscopy. The experimental results are consistent with theoretical calculations that include proper mechanical boundary conditions at the nanocrystal-host interface.

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Key concepts: Polyvinyl alcohol, Lead sulfide, Nanocomposite, Materials science, Nanoparticle, Infrared spectroscopy, Absorption (acoustics), Sulfide