Table 1.
Structural parameters by XRD data and optical bandgaps by Tauc’s plot method were obtained.
| Samples ID | ZnS-A | ZnS-B | ZnS-C | ZnS-D | References |
|---|---|---|---|---|---|
| SSD (mm) | 20 | 40 | 60 | 80 | |
| FWHM (rad) | 0.0060 | 0.0058 | 0.0055 | 0.0058 | 0.005, 0.0053 [20], 0.0096 [22] |
| Crystallite size “D” (nm) | 26 | 27 | 29 | 27 | 15 [22],29.6, 28.2 [20], 38 [17] |
| Micro strain “ε” (×10−3) | 1.47 | 1.42 | 1.34 | 1.42 | 1.22, 1.28 [20], 0.913 [17], 0.23 [22], 8.4 [53] |
| Dislocation density “δ” (×1015 m−2) | 1.47 | 1.37 | 1.34 | 1.37 | 0.69 [17], 4.1 [22] |
| Band gap (eV) | 3.31 | 3.50 | 3.54 | 3.47 | 3.48 [17], 3.46 [22], 3.75 [54], 3.5 [53] |