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Plasmonic quantum dot solar cells for enhanced infrared response

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Date

2012-03-07

Authors

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

Journal Title

Journal ISSN

Volume Title

Publisher

American Institute of Physics (AIP)

Abstract

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 enhancement of 7.6%.

Description

Keywords

Keywords: Cell surfaces; Infrared response; InGaAs/GaAs; Light-trapping; Long wavelength; Near Infrared; Overall efficiency; Photoresponses; Plasmonic; Quantum dot solar cells; Silver nanoparticles; Cell membranes; Open circuit voltage; Plasmons; Silver; Semiconduc

Citation

URI

http://hdl.handle.net/1885/16511

Collections

ANU Research Publications

Source

Applied Physics Letters

Type

Journal article

Book Title

Entity type

Access Statement

License Rights

DOI

10.1063/1.3691917

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