Plasmonic Induced Potential in Metal-Semiconductor Composits
Shiva Shahin, Palash Gangopadhyay, Robert A. Norwood
TL;DR
This study investigates how plasmonic resonance in gold nanoparticles affects electrical potential and current profiles in metal-semiconductor composites using advanced microscopy techniques.
Contribution
It introduces experimental analysis of plasmonic effects on electrical properties in metal-semiconductor composites with nanoscale resolution.
Findings
Plasmonic excitation alters current profiles in the composite.
Potential distribution is significantly affected by plasmon resonance.
Experimental tools reveal nanoscale electrical changes due to plasmonics.
Abstract
We utilize experimental tools such as conductive atomic force microscopy and electrostatic force microscopy on photo-excited arrays of gold nanoparticles on indium tin oxide substrate. The nanoparticles are partially covered by a thin semiconductor polymer. The change in the current and potential profiles of the composite metal-semiconductor sample after excitation at plasmonic resonance frequency of metallic nanoparticles is analyzed.
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Taxonomy
TopicsGold and Silver Nanoparticles Synthesis and Applications · Plasmonic and Surface Plasmon Research · Nonlinear Optical Materials Studies