Band filling effects on temperature performance of intermediate band quantum wire solar cells
| Autor: | Mansour Mortazavi, Morgan E. Ware, Gregory J. Salamo, Vas. P. Kunets, L. D. de Souza, C. S. Furrow, Mourad Benamara |
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| Rok vydání: | 2014 |
| Předmět: |
Theory of solar cells
Materials science Organic solar cell business.industry Band gap General Physics and Astronomy Quantum dot solar cell Polymer solar cell law.invention Multiple exciton generation Condensed Matter::Materials Science law Solar cell Optoelectronics Direct and indirect band gaps business |
| Zdroj: | Journal of Applied Physics. 116:083102 |
| ISSN: | 1089-7550 0021-8979 |
| DOI: | 10.1063/1.4893898 |
| Popis: | Detailed studies of solar cell efficiency as a function of temperature were performed for quantum wire intermediate band solar cells grown on the (311)A plane. A remotely doped one-dimensional intermediate band made of self-assembled In0.4Ga0.6As quantum wires was compared to an undoped intermediate band and a reference p-i-n GaAs sample. These studies indicate that the efficiencies of these solar cells depend on the population of the one-dimensional band by equilibrium free carriers. A change in this population by free electrons under various temperatures affects absorption and carrier transport of non-equilibrium carriers generated by incident light. This results in different efficiencies for both the doped and undoped intermediate band solar cells in comparison with the reference GaAs p-i-n solar cell device. |
| Databáze: | OpenAIRE |
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