Optical modes enhance solar water splitting in one-dimensional plasmonic particle grating

S. Pandey; S. Joseph; J. Ahuja; S. Devinder; S. A. Siddiqui; A. Singh; S. Basu; K. Ghosh; J. Joseph

doi:10.1117/12.3021221

10 June 2024 Optical modes enhance solar water splitting in one-dimensional plasmonic particle grating

S. Pandey, S. Joseph, J. Ahuja, S. Devinder, S. A. Siddiqui, A. Singh, S. Basu, K. Ghosh, J. Joseph

Proceedings Volume 12991, Nanophotonics X; 129910S (2024) https://doi.org/10.1117/12.3021221
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

Solar energy conversion to green energy production via solar water splitting, imitates photoinduced charge transfer into water or an electrolyte using a photoelectrode. Bandgap limitation affects common semiconductors used as photoelectrodes. From that perspective, interband and nonradiative decay of plasmon resonance facilitates a plasmonic phenomenon with a more comprehensive spectrum performance. This work systematically studies photoelectrochemical current generation using plasmonic Gold Nanoparticles (GNPs) organized in a one-dimensional lattice. Such arrangement of plasmonic GNPs produced photonic effects such as guided mode resonance and grating-coupled surface plasmon resonance, which contributed to superior photoelectrochemical current production than metal bar grating, and random gold nanoparticles. Additionally, a semiconductor layer was deposited over the grating of plasmonic particles to enhance plasmonic charge collection and current generation and extended the UV-limited semiconductor's PEC spectral response bolstered by multiphotonic-plasmonic resonance phenomena. Our research offers a derived approach to enable light harvesting mechanisms for the production of green energy.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

S. Pandey, S. Joseph, J. Ahuja, S. Devinder, S. A. Siddiqui, A. Singh, S. Basu, K. Ghosh, and J. Joseph "Optical modes enhance solar water splitting in one-dimensional plasmonic particle grating", Proc. SPIE 12991, Nanophotonics X, 129910S (10 June 2024); https://doi.org/10.1117/12.3021221

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