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10 June 2024 Raman spectroscopy of PPV in the proximity of metal nanogaps
Arjun Upadhyay, Bamadev Das, Sushant Sharma, Dai-Sik Kim, Parinda Vasa
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Proceedings Volume 12991, Nanophotonics X; 129911B (2024) https://doi.org/10.1117/12.3022186
Event: SPIE Photonics Europe, 2024, Strasbourg, France
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Abstract
Plasmonic structures, driven by collective electron oscillations in metallic nanostructures, are vital in nanophotonics for manipulating light at the nanoscale. This study focuses on metal nanogaps of 20 nm fabricated via Photolithography and atomic layer deposition, exhibiting tunable transmission resonances across visible to near-infrared wavelengths. Raman spectroscopy of Poly (p-phenylene vinylene) (PPV) on these metal nanogaps reveals altered Raman linewidths without significant changes in Raman frequencies, elucidating the intricate interplay between plasmonics and molecular interactions. These findings are pivotal for advancing our understanding of plasmonic effects at the molecular level, offering insights for innovative optoelectronic device design and sensing applications.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Arjun Upadhyay, Bamadev Das, Sushant Sharma, Dai-Sik Kim, and Parinda Vasa "Raman spectroscopy of PPV in the proximity of metal nanogaps", Proc. SPIE 12991, Nanophotonics X, 129911B (10 June 2024); https://doi.org/10.1117/12.3022186
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KEYWORDS
Raman spectroscopy
Molecular interactions
Atomic layer deposition
Light-matter interactions
Optical transmission
Quantum plasmonics
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