Issue 12, 2013

Synergistic switching of plasmonic resonances and molecular spin states

Abstract

Plasmonic resonance properties of a series of lithographically patterned gold nanorod arrays, spin coated by thin films of an iron(II)–triazole type spin crossover complex, were investigated upon heating/cooling and also under 633 nm laser irradiation. In both cases a reversible shift of the localised surface plasmon resonance wavelength was observed and quantitatively linked to the refractive index change accompanying the spin transition. These results show that molecular spin state switching can be very efficiently triggered by the photo-thermal effect, which – in turn – allows for an active tuning of the plasmon resonance.

Graphical abstract: Synergistic switching of plasmonic resonances and molecular spin states

Supplementary files

Article information

Article type
Communication
Submitted
18 Mar 2013
Accepted
16 Apr 2013
First published
22 Apr 2013

Nanoscale, 2013,5, 5288-5293

Synergistic switching of plasmonic resonances and molecular spin states

K. Abdul-Kader, M. Lopes, C. Bartual-Murgui, O. Kraieva, E. M. Hernández, L. Salmon, W. Nicolazzi, F. Carcenac, C. Thibault, G. Molnár and A. Bousseksou, Nanoscale, 2013, 5, 5288 DOI: 10.1039/C3NR01337E

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