Harnessing Thermal Expansion Mismatch to Form Hollow Nanoparticles

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...

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Bibliographic Details
Published inSmall (Weinheim an der Bergstrasse, Germany) Vol. 9; no. 1; pp. 56 - 60
Main Authors Jen-La Plante, Ilan, Mokari, Taleb
Format Journal Article
LanguageEnglish
Published Weinheim WILEY-VCH Verlag 14.01.2013
WILEY‐VCH Verlag
Wiley Subscription Services, Inc
Subjects
Diffusion
hollow spheres
Hot Temperature
Indium
Indium - chemistry
Materials Testing
Metal Nanoparticles - chemistry
Metal oxides
Metals - chemistry
Microscopy, Electron, Transmission - methods
Nanocomposites
Nanomaterials
Nanoparticles
Nanoparticles - chemistry
Nanostructure
Nanotechnology
Nanotechnology - methods
Oxygen - chemistry
Stress, Mechanical
Tensile Strength
Tensile stress
Thermal expansion
Time Factors
transmission electron microscopy
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Summary: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.
Bibliography:istex:BB9DE8EBDC4BA14D46417C413A915F59BB2493DE
ArticleID:SMLL201202471
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ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:1613-6810
1613-6829
DOI:10.1002/smll.201202471