Formation of Self-organized Silver Nanocup-Type Structures and Their Plasmonic Absorption

The present work reports on the formation of extremely low volume, silver nanocup-type structures on the surface by annealing of ultra-thin silver film on quartz in inert environment. Atomic force microscopy studies together with scanning electron microscopy confirmed the formation of Ag nanocup-typ...

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Published inPlasmonics (Norwell, Mass.) Vol. 8; no. 2; pp. 811 - 815
Main Authors Mishra, Y. K., Adelung, R., Kumar, G., Elbahri, M., Mohapatra, S., Singhal, R., Tripathi, A., Avasthi, D. K.
Format Journal Article
LanguageEnglish
Published Boston Springer US 01.06.2013
Subjects
Atomic structure
Biochemistry
Biological and Medical Physics
Biophysics
Biotechnology
Chemistry
Chemistry and Materials Science
Instability
Nanocomposites
Nanomaterials
Nanostructure
Nanotechnology
Plasmonics
Silver
Surface chemistry
Silver nanocups
Buckling and Ostwald ripening
Surface plasmon resonance
Surface-enhanced Raman scattering
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Summary:The present work reports on the formation of extremely low volume, silver nanocup-type structures on the surface by annealing of ultra-thin silver film on quartz in inert environment. Atomic force microscopy studies together with scanning electron microscopy confirmed the formation of Ag nanocup-type structures at the surface. A basic physical model for the formation of nanocups in terms of buckling and Oswald ripening due to surface-induced morphological instability and diffusional mass transport under thermal treatment is demonstrated. Surface plasmon resonance absorptions of nanocup structures are studied and preliminary experiment for observing the surface-enhanced Raman scattering of fullerene C 70 molecules has been shown.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
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ISSN:1557-1955
1557-1963
DOI:10.1007/s11468-013-9477-2