Role of Polycrystallinity in Cdte and Cuinse Sub 2 Photovoltaic Cells

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The polycrystalline nature of thin-film CdTe and CuInSe{sub 2} solar cells continues to be a major factor in several individual losses that limit overall cell efficiency. This report describes progress in the quantitative separation of these losses, including both measurement and analysis procedures. It also applies these techniques to several individual cells to help document the overall progress with CdTe and CuInSe{sub 2} cells. Notably, CdTe cells from Photon Energy have reduced window photocurrent losses to 1 mA/Cm{sup 2}; those from the University of South Florida have achieved a maximum power voltage of 693 mV; and CuInSe{sub 2} cells from … continued below

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23 pages

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Sites, J.R. (Colorado State Univ., Fort Collins, CO (United States)) January 1, 1991.

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The polycrystalline nature of thin-film CdTe and CuInSe{sub 2} solar cells continues to be a major factor in several individual losses that limit overall cell efficiency. This report describes progress in the quantitative separation of these losses, including both measurement and analysis procedures. It also applies these techniques to several individual cells to help document the overall progress with CdTe and CuInSe{sub 2} cells. Notably, CdTe cells from Photon Energy have reduced window photocurrent losses to 1 mA/Cm{sup 2}; those from the University of South Florida have achieved a maximum power voltage of 693 mV; and CuInSe{sub 2} cells from International Solar Electric Technology have shown a hole density as high as 7 {times} 10{sup 16} cm{sup {minus}3}, implying a significant reduction in compensation. 9 refs.

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23 pages

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OSTI; NTIS; GPO Dep.

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  • January 1, 1991

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Sites, J.R. (Colorado State Univ., Fort Collins, CO (United States)). Role of Polycrystallinity in Cdte and Cuinse Sub 2 Photovoltaic Cells, report, January 1, 1991; Golden, Colorado. (https://digital.library.unt.edu/ark:/67531/metadc1101760/: accessed June 8, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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