High Performance CIGS Thin-Film Solar Cells: A Laboratory Perspective

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We present a summary of our work on the preparation of CuInGaSe2 (CIGS) absorbers that has led to fabricating record-efficiency solar cells. The use of the three-stage process in conjunction with composition monitoring facilitates the fabrication of solar cells with efficiencies between 18% and 19.5% for absorber bandgap in the range of 1.1-1.2 eV. We describe our recent results in reducing absorber thickness and low-temperature deposition. Our preliminary results on absorbers grown from low-purity source materials show promise of reducing the cost of fabricating the absorber.

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5 p.

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Ramanathan, K.; Bhattacharya, R.; Contreras, M.; Keane, J. C.; To, B.; Dhere, R. G. et al. November 1, 2005.

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We present a summary of our work on the preparation of CuInGaSe2 (CIGS) absorbers that has led to fabricating record-efficiency solar cells. The use of the three-stage process in conjunction with composition monitoring facilitates the fabrication of solar cells with efficiencies between 18% and 19.5% for absorber bandgap in the range of 1.1-1.2 eV. We describe our recent results in reducing absorber thickness and low-temperature deposition. Our preliminary results on absorbers grown from low-purity source materials show promise of reducing the cost of fabricating the absorber.

Physical Description

5 p.

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  • Related Information: Presented at the 2005 DOE Solar Energy Technologies Program Review Meeting held November 7-10, 2005 in Denver, Colorado. Also included in the proceedings available on CD-ROM (DOE/GO-1020060-2245; NREL/CD-520-38577)

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  • Report No.: NREL/CP-520-38987
  • Grant Number: AC36-99-GO10337
  • Office of Scientific & Technical Information Report Number: 882796
  • Archival Resource Key: ark:/67531/metadc876106

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Office of Scientific & Technical Information Technical Reports

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  • November 1, 2005

Added to The UNT Digital Library

  • Sept. 21, 2016, 2:29 a.m.

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  • April 6, 2017, 12:37 p.m.

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Ramanathan, K.; Bhattacharya, R.; Contreras, M.; Keane, J. C.; To, B.; Dhere, R. G. et al. High Performance CIGS Thin-Film Solar Cells: A Laboratory Perspective, article, November 1, 2005; Golden, Colorado. (digital.library.unt.edu/ark:/67531/metadc876106/: accessed December 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.