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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 and Jagadish, Chennupati 2012. Plasmonic quantum dot solar cells for enhanced infrared response. Applied Physics Letters 100 (10) , 103505. 10.1063/1.3691917

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Enhanced near infrared photoresponse in plasmonic InGaAs/GaAs quantum dot solar cells (QDSC) is demonstrated. Long wavelength light absorption in the wetting-layer and quantum-dot region of the quantum dot solar cell is enhanced through scattering of light by silver nanoparticles deposited on the solar cell surface. 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%.

Item Type: Article
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QC Physics
Publisher: American Institute of Physics
ISSN: 0003-6951
Date of Acceptance: 11 February 2012
Last Modified: 23 Jan 2020 04:16

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