Investigation of carrier-carrier scattering effect on the performance of hot carrier solar cells with relaxation time approximation

Y. Feng*, R. Patterson, S. Lin, S. Shrestha, S. Huang, M. Green, G. Conibeer

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)

Abstract

The performance of hot carrier solar cells has been analyzed using a model incorporating the relaxation times of the relevant electronic processes. The variations in the maximum efficiency as well as the carrier statistics are demonstrated according to different carrier-carrier scattering rates. The significant dependance of cell performances on Coulomb scattering properties is quantitatively demonstrated and explained by carrier depletion, asymmetric electron and hole statistics, and unmatched transmission properties for carrier extraction. The inter-relation between the electronic properties of the absorber material and the contact properties implies that an integrated design with both parts is required.

Original languageEnglish
Article number243901
Pages (from-to)1-6
Number of pages6
JournalApplied Physics Letters
Volume102
Issue number24
DOIs
Publication statusPublished - 17 Jun 2013
Externally publishedYes

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