2012 Fiscal Year Final Research Report
Development of scanning SERS imaging by using near-field photo-reduced silver nanoparticles
| Project/Area Number |
23750025
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Physical chemistry
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| Research Institution | Kwansei Gakuin University |
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Principal Investigator |
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| Project Period (FY) |
2011 – 2012
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| Keywords | 表面増強ラマン散乱 / 走査型近接場光学顕微鏡 / イメージング / 原子間力顕微鏡 |
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| Research Abstract |
By using near-field light, which is localized on smaller area than diffraction limit, a dimer of silver nanoparticles was fabricated. The silver nanodimer was selectively formed at a desired position and observed its topography in situ, while conventional photo-reduction forms only a single or many silver nanoparticles. Then different SERS spectrum to that from the single silver nanoparticle was measured from the silver nanodimer. Moreover, blinking SERS, which observed in the imaging at single molecule level, is affected by a nanometer-ordered periodic electromagnetic field at a junction of the silver nanodimer.
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[Book]2013
Author(s)
Yasutaka Kitahama, Tamitake Itoh, PrompongPienpinijtham, Sanong Ekgasit, Xiaoxia Han, Yukihiro Ozaki
Total Pages
181-234
Publisher
American Chemical Society, "Chapter 9 Biological applications of SERSusing functional nanoparticles" in FunctionalNanoparticles for Bioanalysis, Nanomedicine and Bioelectronic Devices Volume 2 (ACS Symposium series Vol. 1113)
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