A non-vacuum process for preparing nanocrystalline CuIn1-xGaxSe2 materials involving an open-air solvothermal reaction

J. Olejníček, C. A. Kamler, A. Mirasano, A. L. Martinez-Skinner, M. A. Ingersoll, C. L. Exstrom, S. A. Darveau, J. L. Huguenin-Love, M. Diaz, N. J. Ianno, R. J. Soukup

Research output: Contribution to journalArticle

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Abstract

A non-vacuum, two-step process has been used to prepare a series of nanocrystalline CuIn1-xGaxSe2 (x=0, 0.25, 0.5, 0.75, 1) materials. An open-air solvothermal preparation in triethylenetetramine solvent was followed by annealing at 500 °C in a nitrogen atmosphere for 20 min. All materials have mixed clustered plate, spherical particle, and nanorod morphologies with the smallest particle diameters ranging between 20 and 40 nm. Raman spectroscopy and X-ray diffraction (XRD) confirm that indium/gallium ratio control is possible over a wide range. The solvothermal reaction step yields a mixture of chalcopyrite and Cu2-xSe. This is converted to pure chalcopyrite product by annealing at 500 °C.

Original languageEnglish (US)
Pages (from-to)8-11
Number of pages4
JournalSolar Energy Materials and Solar Cells
Volume94
Issue number1
DOIs
StatePublished - Jan 1 2010

Fingerprint

Annealing
Trientine
Gallium
Indium
Nanorods
Raman spectroscopy
Nitrogen
X ray diffraction
chalcopyrite

Keywords

  • CIGS
  • Chalcopyrites
  • Nanocrystalline
  • Processing
  • Solvothermal

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films

Cite this

A non-vacuum process for preparing nanocrystalline CuIn1-xGaxSe2 materials involving an open-air solvothermal reaction. / Olejníček, J.; Kamler, C. A.; Mirasano, A.; Martinez-Skinner, A. L.; Ingersoll, M. A.; Exstrom, C. L.; Darveau, S. A.; Huguenin-Love, J. L.; Diaz, M.; Ianno, N. J.; Soukup, R. J.

In: Solar Energy Materials and Solar Cells, Vol. 94, No. 1, 01.01.2010, p. 8-11.

Research output: Contribution to journalArticle

Olejníček, J, Kamler, CA, Mirasano, A, Martinez-Skinner, AL, Ingersoll, MA, Exstrom, CL, Darveau, SA, Huguenin-Love, JL, Diaz, M, Ianno, NJ & Soukup, RJ 2010, 'A non-vacuum process for preparing nanocrystalline CuIn1-xGaxSe2 materials involving an open-air solvothermal reaction', Solar Energy Materials and Solar Cells, vol. 94, no. 1, pp. 8-11. https://doi.org/10.1016/j.solmat.2009.03.024
Olejníček, J. ; Kamler, C. A. ; Mirasano, A. ; Martinez-Skinner, A. L. ; Ingersoll, M. A. ; Exstrom, C. L. ; Darveau, S. A. ; Huguenin-Love, J. L. ; Diaz, M. ; Ianno, N. J. ; Soukup, R. J. / A non-vacuum process for preparing nanocrystalline CuIn1-xGaxSe2 materials involving an open-air solvothermal reaction. In: Solar Energy Materials and Solar Cells. 2010 ; Vol. 94, No. 1. pp. 8-11.
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