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Plasmonic quantum dot solar cells for enhanced infrared response

Feng Lu, Hao; Mokkapati, Sudha; Fu, Lan; Jolley, Greg; Hoe Tan, Hark; Jagadish, Chennupati


Enhanced near infrared photoresponse in plasmonic InGaAs/GaAs quantum dotsolar cells (QDSC) is demonstrated. Long wavelength light absorption in the wetting-layer and quantum-dot region of the quantum dotsolar cell is enhanced through scattering of light by silver nanoparticles deposited on the solar cellsurface.Plasmonic light trapping results in simultaneous increase in short-circuit current density by 5.3% and open circuit voltage by 0.9% in the QDSC, leading to an overall efficiency...[Show more]

CollectionsANU Research Publications
Date published: 2012-03-07
Type: Journal article
Source: Applied Physics Letters
DOI: 10.1063/1.3691917


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