Search
Abstract
Noble metal nanostructures are object of great interest due to their unique optical and electronic properties exploited in nanotechnology, medicine, biochemistry, and surface-enhanced spectroscopies. In this work, the Au nanoparticle (NP) structures for application in biosensing obtained by dewetting are investigated in dependence on their preparation conditions. Structures are produced from thin Au films (5–30 nm) sputtered onto the ITO-coated glass substrates. The dewetting is performed by thermal treatment in ambient air. SEM inspection of the structures reveal breakup of the Au films into NPs of rounded shape. The NP size does not exceed 80 nm and their shape can be tuned by duration of the dewetting. In the absorbance spectra, the broad peaks centered around 550–620 nm are ascribed to resonant absorption of the surface plasmons and the estimated time of resonance damping is in the range of 2.24–3.65 fs. The large signal values observed in Raman spectra, and the electrochemical performance confirm that the produced material can serve as an electrode for sensing applications.
Citations
-
4
CrossRef
-
0
Web of Science
-
3
Scopus
Authors (5)
-
Katarzyna Grochowska
- PAN IMP
-
Katarzyna Siuzdak
- PAN IMP
-
Gerard Śliwiński prof.
- PAN IMP
Cite as
Full text
full text is not available in portal
Keywords
Details
- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
PLASMONICS
no. 12,
pages 1939 - 1946,
ISSN: 1557-1955 - Language:
- English
- Publication year:
- 2017
- Bibliographic description:
- Grochowska K., Siuzdak K., Karczewski J., Szkoda M., Śliwiński G.: Properties of Thermally Dewetted Thin Au Films on ITO-Coated Glass for Biosensing Applications// PLASMONICS. -Vol. 12, nr. 6 (2017), s.1939-1946
- DOI:
- Digital Object Identifier (open in new tab) 10.1007/s11468-016-0465-1
- Verified by:
- Gdańsk University of Technology
seen 118 times
Recommended for you
Anodic titania nanotubes decorated with gold nanoparticles produced by laser-induced dewetting of thin metallic films
- K. Grochowska,
- N. Nedyalkov,
- J. Karczewski
- + 3 authors
Nanostructuring of thin Au films deposited on ordered Ti templates for applications in SERS
- K. Grochowska,
- K. Siuzdak,
- Ł. Macewicz
- + 5 authors
Laser-assisted approach for improved performance of Au-Ti based glucose sensing electrodes
- A. Olejnik,
- G. Śliwiński,
- J. Karczewski
- + 3 authors
Engineering Au nanoparticle arrays on SiO2 glass by pulsed UV laser irradiation
- K. Grochowska,
- G. Śliwiński,
- A. Iwulska
- + 5 authors