Abstract
This research is about surface-enhanced Raman spectroscopy based on the gap-plasmonic effects between the silver nanoisland (AgNI) substrate and gold nanoparticles (AuNPs). With calculation, we prove that plasmonic-coupling phenomena between AuNPs and AgNIs were formed, which eventually affect to the signal enhancements, and we simulate the field enhancement according to the AuNPs position on the AgNI substrates. Consequently, we experimentally confirm the Raman signal enhancement using target as AuNP attached DNA, which were distributed on the AgNIs substrate randomly. Raman spectra measured on the AgNI substrate exhibit approximately 20-fold signal enhancements compare to the signals measured on a uniform silver film, and the experimental spectra agreed well with the results of simulation. This method has merit in that significant Raman signal enhancements can be achieved for large areas without a complicated nano-lithographic process.
| Original language | English |
|---|---|
| Title of host publication | International Conference on Nano-Bio Sensing, Imaging, and Spectroscopy 2015, NBSIS 2015 |
| Publisher | SPIE |
| Volume | 9523 |
| ISBN (Electronic) | 9781628416794 |
| DOIs | |
| Publication status | Published - 2015 Jan 1 |
| Event | 2nd International Conference on Nano-Bio Sensing, Imaging, and Spectroscopy, NBSIS 2015 - Jeju, Korea, Republic of Duration: 2015 Feb 25 → 2015 Feb 27 |
Other
| Other | 2nd International Conference on Nano-Bio Sensing, Imaging, and Spectroscopy, NBSIS 2015 |
|---|---|
| Country | Korea, Republic of |
| City | Jeju |
| Period | 15/2/25 → 15/2/27 |
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All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Biomaterials
- Atomic and Molecular Physics, and Optics
- Radiology Nuclear Medicine and imaging
Cite this
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The gap-plasmonic effect induced on a silver nanoisland substrate for surface-enhanced Raman spectroscopy. / Song, Hyerin; Choi, Jong Ryul; Lee, Wonju; Kim, Donghyun; Lee, Dongyun; Kim, Kyujung.
International Conference on Nano-Bio Sensing, Imaging, and Spectroscopy 2015, NBSIS 2015. Vol. 9523 SPIE, 2015. 95230D.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
TY - GEN
T1 - The gap-plasmonic effect induced on a silver nanoisland substrate for surface-enhanced Raman spectroscopy
AU - Song, Hyerin
AU - Choi, Jong Ryul
AU - Lee, Wonju
AU - Kim, Donghyun
AU - Lee, Dongyun
AU - Kim, Kyujung
PY - 2015/1/1
Y1 - 2015/1/1
N2 - This research is about surface-enhanced Raman spectroscopy based on the gap-plasmonic effects between the silver nanoisland (AgNI) substrate and gold nanoparticles (AuNPs). With calculation, we prove that plasmonic-coupling phenomena between AuNPs and AgNIs were formed, which eventually affect to the signal enhancements, and we simulate the field enhancement according to the AuNPs position on the AgNI substrates. Consequently, we experimentally confirm the Raman signal enhancement using target as AuNP attached DNA, which were distributed on the AgNIs substrate randomly. Raman spectra measured on the AgNI substrate exhibit approximately 20-fold signal enhancements compare to the signals measured on a uniform silver film, and the experimental spectra agreed well with the results of simulation. This method has merit in that significant Raman signal enhancements can be achieved for large areas without a complicated nano-lithographic process.
AB - This research is about surface-enhanced Raman spectroscopy based on the gap-plasmonic effects between the silver nanoisland (AgNI) substrate and gold nanoparticles (AuNPs). With calculation, we prove that plasmonic-coupling phenomena between AuNPs and AgNIs were formed, which eventually affect to the signal enhancements, and we simulate the field enhancement according to the AuNPs position on the AgNI substrates. Consequently, we experimentally confirm the Raman signal enhancement using target as AuNP attached DNA, which were distributed on the AgNIs substrate randomly. Raman spectra measured on the AgNI substrate exhibit approximately 20-fold signal enhancements compare to the signals measured on a uniform silver film, and the experimental spectra agreed well with the results of simulation. This method has merit in that significant Raman signal enhancements can be achieved for large areas without a complicated nano-lithographic process.
UR - http://www.scopus.com/inward/record.url?scp=84938704384&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84938704384&partnerID=8YFLogxK
U2 - 10.1117/12.2189247
DO - 10.1117/12.2189247
M3 - Conference contribution
AN - SCOPUS:84938704384
VL - 9523
BT - International Conference on Nano-Bio Sensing, Imaging, and Spectroscopy 2015, NBSIS 2015
PB - SPIE
ER -