| Budget Amount *help |
¥23,920,000 (Direct Cost: ¥18,400,000、Indirect Cost: ¥5,520,000)
Fiscal Year 2016: ¥7,670,000 (Direct Cost: ¥5,900,000、Indirect Cost: ¥1,770,000)
Fiscal Year 2015: ¥7,930,000 (Direct Cost: ¥6,100,000、Indirect Cost: ¥1,830,000)
Fiscal Year 2014: ¥8,320,000 (Direct Cost: ¥6,400,000、Indirect Cost: ¥1,920,000)
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| Outline of Final Research Achievements |
In this study, we focused on the development of ultra-sensitive localized surface plasmon sensors based on the use of multipole plasmon modes generated in symmetry-broken structured plasminic nanoshells. By using dielectric materials as an etching mask in plasma processing of PS nanoparticle arrays, we developed a new method to fabricate a plasmonic nanoshell array with "symmetry breaking structure" that disrupted shape symmetry of spherical nanoparticles. We demonstrated designed asymmetric structures optimized from electromagnetic field calculation, leading designing light enhancement electric field profile. We realized world's highest sensitivity sensor showing dielectric constant response of 2000 nm / RIU in response to near infrared light.
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