Abstract
We propose a detailed method of preparing immobilized gold nanoparticles on a substrate for application to dielectric sensors. We show the relationship between the amount of aminofunctional silane on the substrate and the absorbance caused by localized surface plasmon resonance of the gold nanoparticles. The amount of silane was changed by controlling rinsing time with distilled water. In the rinsing process, two features of dispersion for isolated nanoparticles on the substrate were observed. One was a high density of nanoparticles, but with some of them incompletely isolated; the other was a low density of nanoparticles, but all completely isolated. To confirm the suitability for sensor applications, we measured the absorption spectra of the substrates surrounding media of various dielectric constants.
| Original language | English |
|---|---|
| Pages (from-to) | 74-79 |
| Number of pages | 6 |
| Journal | e-Journal of Surface Science and Nanotechnology |
| Volume | 5 |
| DOIs | |
| Publication status | Published - Mar 1 2007 |
| Externally published | Yes |
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Keywords
- Adhesion
- Nanoparticles
- Scanning electron microscopy (SEM)
- Visible/ultraviolet absorption spectroscopy
- X-ray photoelectron spectroscopy
ASJC Scopus subject areas
- Surfaces, Coatings and Films
- Materials Science (miscellaneous)
Cite this
Immobilization of gold nanoparticles on silanized substrate for sensors based on localized surface plasmon resonance. / Taue, Shuji; Nishida, Koji; Sakaue, Hiroyuki; Takahagi, Takayuki.
In: e-Journal of Surface Science and Nanotechnology, Vol. 5, 01.03.2007, p. 74-79.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Immobilization of gold nanoparticles on silanized substrate for sensors based on localized surface plasmon resonance
AU - Taue, Shuji
AU - Nishida, Koji
AU - Sakaue, Hiroyuki
AU - Takahagi, Takayuki
PY - 2007/3/1
Y1 - 2007/3/1
N2 - We propose a detailed method of preparing immobilized gold nanoparticles on a substrate for application to dielectric sensors. We show the relationship between the amount of aminofunctional silane on the substrate and the absorbance caused by localized surface plasmon resonance of the gold nanoparticles. The amount of silane was changed by controlling rinsing time with distilled water. In the rinsing process, two features of dispersion for isolated nanoparticles on the substrate were observed. One was a high density of nanoparticles, but with some of them incompletely isolated; the other was a low density of nanoparticles, but all completely isolated. To confirm the suitability for sensor applications, we measured the absorption spectra of the substrates surrounding media of various dielectric constants.
AB - We propose a detailed method of preparing immobilized gold nanoparticles on a substrate for application to dielectric sensors. We show the relationship between the amount of aminofunctional silane on the substrate and the absorbance caused by localized surface plasmon resonance of the gold nanoparticles. The amount of silane was changed by controlling rinsing time with distilled water. In the rinsing process, two features of dispersion for isolated nanoparticles on the substrate were observed. One was a high density of nanoparticles, but with some of them incompletely isolated; the other was a low density of nanoparticles, but all completely isolated. To confirm the suitability for sensor applications, we measured the absorption spectra of the substrates surrounding media of various dielectric constants.
KW - Adhesion
KW - Nanoparticles
KW - Scanning electron microscopy (SEM)
KW - Visible/ultraviolet absorption spectroscopy
KW - X-ray photoelectron spectroscopy
UR - http://www.scopus.com/inward/record.url?scp=33847683065&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=33847683065&partnerID=8YFLogxK
U2 - 10.1380/ejssnt.2007.74
DO - 10.1380/ejssnt.2007.74
M3 - Article
VL - 5
SP - 74
EP - 79
JO - e-Journal of Surface Science and Nanotechnology
JF - e-Journal of Surface Science and Nanotechnology
SN - 1348-0391
ER -