Silver Nanostructures: From Individual Dots to Coupled Strips for the Tailoring of SERS Excitation Wavelength from Near-UV to Near-IR.

0457519 - ÚCHP 2016 RIV KR eng J - Journal Article
Kalachyova, Y. - Lyutakov, O. - Koštejn, Martin - Člupek, M. - Švorčík, V.
Silver Nanostructures: From Individual Dots to Coupled Strips for the Tailoring of SERS Excitation Wavelength from Near-UV to Near-IR.
Electronic Materials Letters. Roč. 11, č. 2 (2015), s. 288-294. ISSN 1738-8090. E-ISSN 2093-6788
R&D Projects: GA ČR(CZ) GBP108/12/G108
Institutional support: RVO:67985858
Keywords : silver * dots * ordered strips
Subject RIV: JJ - Other Materials
Impact factor: 2.057, year: 2015

In this paper, we report the preparation of silver nanostructures with plasmon absorption peaks tuned by the metal arrangement. Silver nanostructures were prepared by sputtering onto a patterned polymer surface. A surface polymer grating was achieved by modification with an excimer laser. Depending on the amount of deposited silver, randomly distributed silver dots or coupled silver wires were obtained. The plasmon absorption shiftedfrom 500 to 800 nm for a configuration of random dots to that of coupled wires, respectively. Prepared samples were used as substrates for surface enhanced Raman scattering (SERS) excited by near-UV and near-IR wavelengths. The absorption peak position and SERS response strongly depended on the silver arrangement.
Permanent Link: http://hdl.handle.net/11104/0257908