4.5 Article

Analysis of the absorption layer of CIGS solar cell by laser-induced breakdown spectroscopy

Journal

APPLIED OPTICS
Volume 51, Issue 7, Pages B115-B120

Publisher

OPTICAL SOC AMER
DOI: 10.1364/AO.51.00B115

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Funding

  1. National Research Foundation of Korea (NRF)
  2. Korea government (MEST) [2010-0028271]

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Laser induced breakdown spectroscopy (LIBS) was applied for the elemental analysis of the thin copper indium gallium diselenide (CuIn1-xGaxSe2 [CIGS]) absorption layer deposited on Mo-coated soda-lime glass by the co-evaporation technique. The optimal laser and detection parameters for LIBS measurement of the CIGS absorption layer (1.23 mu m) were investigated. The calibration results of Ga/In ratio with respect to the concentration ratios measured by x-ray fluorescence and inductively coupled plasma optical emission spectroscopy showed good linearity. (C) 2012 Optical Society of America

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