Research Article
Quantitative Analysis and Band Gap Determination for CIGS Absorber Layers Using Surface Techniques
Table 3
Average and relative standard deviation (RSD) values of elemental intensity ratios using nine fs-LA-ICP-MS measurements.
| | Sample number | RSD (%) | | Ga/Cu | In/Cu | Ga/Se | In/Se | Ga/In |
| | B01 | 1.66a (±1.70%)b | 23.71 (±2.15%) | 2.41 (±2.87%) | 34.48 (±2.30%) | 0.07 (±2.59%) | | B02 | 2.18 (±2.70%) | 24.08 (±1.13%) | 2.71 (±2.18%) | 29.94 (±1.34%) | 0.09 (±2.69%) | | B03 | 1.43 (±2.10%) | 29.25 (±2.81%) | 1.80 (±1.55%) | 36.91 (±2.22%) | 0.05 (±1.25%) | | B04 | 1.48 (±1.16%) | 31.12 (±1.18%) | 1.81 (±0.93%) | 38.22 (±1.30%) | 0.05 (±1.13%) | | Average of RSD | (±1.92%) | (±1.82%) | (±1.88%) | (±1.79%) | (±1.92%) |
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aThe numbers represent the average of intensity ratios. bThe numbers in parentheses represent the RSD of intensity ratios.
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