Coupled plasmon resonances and gap modes in laterally assembled gold nanorod arrays

Kumar, J, Wei, X, Barrow, S, Funston, A, Thomas, K and Mulvaney, P 2018, 'Coupled plasmon resonances and gap modes in laterally assembled gold nanorod arrays', Zeitschrift fur Physikalische Chemie, vol. 232, no. 911, pp. 1607-1617.


Document type: Journal Article
Collection: Journal Articles

Title Coupled plasmon resonances and gap modes in laterally assembled gold nanorod arrays
Author(s) Kumar, J
Wei, X
Barrow, S
Funston, A
Thomas, K
Mulvaney, P
Year 2018
Journal name Zeitschrift fur Physikalische Chemie
Volume number 232
Issue number 911
Start page 1607
End page 1617
Total pages 11
Publisher De Gruyter Oldenbourg
Abstract The assembly of metal nanocrystals offers a flexible method for creating new materials with tunable, size-dependent optical properties. Here we study the lateral assembly of gold nanorods into arrays, which leads to strong colour changes due to surface plasmon coupling. We also demonstrate the first example of gap modes in colloid systems, an optical mode in which light waves propagate in the channels between the gold rods. Such modes resonate at wavelengths which strongly depend on the gap width and length.
Subject Physical Chemistry not elsewhere classified
Keyword(s) chain length
gap modes
gold nanorods
lateral assembly
surface plasmons
DOI - identifier 10.1515/zpch-2018-1163
Copyright notice © 2018 Walter de Gruyter GmbH, Berlin/Boston.
ISSN 0942-9352
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