Presentation Information

2:45 PM - 3:00 PM JST(5:45 AM - 6:00 AM UTC)

[11p-A24-4]Photoconductive properties of Si deposited with spherical nanoparticles

〇(M1)Takumi Sakai¹, Taisei Kokushou¹, Tamao Aoki¹, Ikurou Umezu¹ (1.Konan Univ.)

Keywords:

Localized Surface Plasmon Resonance,Laser Ablation,Photoconductivity

To clarify the mechanism of photocurrent enhancement induced by Ag nanoparticles deposited on a Si substrate, photocurrent spectra were compared between samples deposited with Ag nanoparticles exhibiting localized surface plasmon resonance (LSPR) and Si nanoparticles exhibiting stronger light-scattering effects. A photocurrent enhancement was observed around 700 nm for the Ag nanoparticle sample, whereas no significant enhancement was observed for the Si nanoparticle sample. These results suggest that LSPR plays an important role in the photocurrent enhancement.

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