Research Article
Symmetric Compound Parabolic Concentrator with Indium Tin Oxide Coated Glass as Passive Cooling System for Photovoltaic Application
Table 1
Comparison of transmittance of ITO films prepared by different methods.
| Film deposition technique | Thickness (nm) | Substrate temperature (°C) | Resistivity (Ω cm) | Transmittance (%) | Reference |
| Chemical vapour deposition | — | 350–450 | | 90–95 (visible) | [19] | DC magnetron sputter | — | RT | | 85 (visible) | [21] | DC magnetron sputter | 282 | RT | | 94 (560 nm) | [24] | DC magnetron sputter | — | RT–453 | | 70–90 (visible) | [19] | Electron beam evaporation | — | RT–440 | | 80–90 (visible) | [19] | Electron beam evaporation | 150 | 350 | | 92 (visible) | [20] | Ion and electron beam evaporation | 120 | RT | | 90 (550 nm) | [26] | Pulsed laser deposition | — | RT | | 90 (750 nm) | [27] | Reactive evaporation | — | 200 | | 90 (visible) | [26] | RF magnetron sputter | 1400 | 380 | | 89 (visible) | [30] | RF magnetron sputter | 900 | 400 | | 87 (visible) | [31] | RF magnetron sputter | 40 | RT | | 92 (visible) | [32] | RF magnetron sputter | | RT–450 | | 85–90 (visible) | [19] | Sol-gel | 250 | 260 | | 90 (900 nm) | [28] | Sol-gel | — | 500 | | 90 (visible) | [19] | Spray pyrolysis | 200–900 | 350–500 | | 85–90 (visible) | [18] | Spray pyrolysis | — | 420–677 | | 82–92 (visible) | [19] | Thermal deposition | 120 | 80 | | 80 (visible) | [22] |
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Note: RT means room temperature.
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