Abstract
CuInxGa1-xSe2 (CIGS) thin films were prepared by a paste coating with the aim of developing a simpler and the lower cost method for fabricating the absorber layers of thin film solar cells. In particular, a paste of a Cu, In, Ga, and Se precursor mixture was first prepared, followed by a reaction between them at elevated temperatures after depositing the paste onto a glass substrate. No apparent change in composition was observed during thermal annealing at 450 °C in the absence of a gas-phase selenium source. A pre-annealing process at 250 °C under ambient conditions performed before annealing (450 °C) under reduction conditions reduced the level of carbon deposition in/on the films without perturbing the stoichiometry of the CIGS thin films.
Original language | English |
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Pages (from-to) | 2621-2625 |
Number of pages | 5 |
Journal | Journal of Crystal Growth |
Volume | 311 |
Issue number | 9 |
DOIs | |
Publication status | Published - 2009 Apr 15 |
Keywords
- A1. Thin films
- A1. X-ray diffraction
- A3. Solar cells
- B2. Semiconducting quarternary alloys
- B3. Solar cells
ASJC Scopus subject areas
- Condensed Matter Physics
- Inorganic Chemistry
- Materials Chemistry