Plasmonic hot electron solar cells: the effect of nanoparticle size on quantum efficiency
P Reineck, D Brick, P Mulvaney… - The journal of physical …, 2016 - ACS Publications
The journal of physical chemistry letters, 2016•ACS Publications
Gold nanoparticles located at a metal oxide/hole conductor interface generate photocurrents
upon visible light illumination. We demonstrate that the quantum efficiency of this process
depends on the nanoparticle size. Gold nanoparticles (5 nm) show a maximum absorbed
photon-to-electron conversion efficiency (APCE) of 13.3%. For increasing particle sizes, the
average APCE decreases to 3.3% for the largest particles (40 nm) investigated. Three
possible causes for this efficiency change are discussed.
upon visible light illumination. We demonstrate that the quantum efficiency of this process
depends on the nanoparticle size. Gold nanoparticles (5 nm) show a maximum absorbed
photon-to-electron conversion efficiency (APCE) of 13.3%. For increasing particle sizes, the
average APCE decreases to 3.3% for the largest particles (40 nm) investigated. Three
possible causes for this efficiency change are discussed.
Gold nanoparticles located at a metal oxide/hole conductor interface generate photocurrents upon visible light illumination. We demonstrate that the quantum efficiency of this process depends on the nanoparticle size. Gold nanoparticles (5 nm) show a maximum absorbed photon-to-electron conversion efficiency (APCE) of 13.3%. For increasing particle sizes, the average APCE decreases to 3.3% for the largest particles (40 nm) investigated. Three possible causes for this efficiency change are discussed.
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