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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 16 — Jun. 1, 2010
  • pp: 3071–3074

Effects of Na incorporated at different periods of deposition on Cu ( In , Ga ) Se 2 films

Xiao Hui Tan, Sheng Lin Ye, Bin Fan, Ken Tang, and Xu Liu  »View Author Affiliations


Applied Optics, Vol. 49, Issue 16, pp. 3071-3074 (2010)
http://dx.doi.org/10.1364/AO.49.003071


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Abstract

Sodium was incorporated into Cu ( In , Ga ) Se 2 (CIGS) thin films by evaporating NaF before the second and third stages and after the third stage of CIGS deposition. The Na-doping dosage was precisely controlled by a light-controlling method based on reflected light signals. X-ray diffraction and scanning electron microscopy results reveal that CIGS crystalline growth and microstructure can be strongly influenced by periods of Na incorporation, which leads to different device performance characteristics. Based on the analysis of results, incorporating Na before the second stage of the standard three-stage process is suggested.

© 2010 Optical Society of America

OCIS Codes
(160.0160) Materials : Materials
(310.3840) Thin films : Materials and process characterization
(310.4925) Thin films : Other properties (stress, chemical, etc.)

ToC Category:
Thin Films

History
Original Manuscript: March 18, 2010
Manuscript Accepted: April 12, 2010
Published: May 26, 2010

Citation
Xiao Hui Tan, Sheng Lin Ye, Bin Fan, Ken Tang, and Xu Liu, "Effects of Na incorporated at different periods of deposition on Cu(In,Ga)Se2 films," Appl. Opt. 49, 3071-3074 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-16-3071

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