Harnessing thermal expansion mismatch to form hollow nanoparticles.

Ilan Jen-La Plante, Taleb Mokari

Index: Small 9(1) , 56-60, (2013)

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Abstract

Nano popcorn: a new formation mechanism for the synthesis of hollow metal oxide nanoparticles through a melt fracture mechanism. The hollow nanoparticles are formed via brittle fracture following the generation of tensile stresses arising due to liquid-phase thermal expansion of a low melting point core metal. The progress of this physical process can be monitored using in situ transmission electron microscopy for a model system of indium/indium oxide.Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.