| the dark | 0.28 |
| generate electricity | 0.80 |
| convert sunlight | 0.68 |
| charge the battery | 0.59 |
| use photovoltaic effect | 0.58 |
| produce direct current … | 0.58 |
| make up solar panel | 0.58 |
| convert solar energy | 0.57 |
| form module | 0.54 |
| generate power | 0.52 |
| use silicon | 0.52 |
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| such a structure | 0.35 |
| higher efficiency | 0.31 |
| high electrical charact… | 0.28 |
| moving parts | 0.25 |
| efficiencies of less th… | 0.25 |
| a light absorbing mater… | 0.44 |
| little maintenance | 0.32 |
| repair | 0.16 |
| occasional replacement | 0.16 |
| silicon | 0.73 |
| material | 0.56 |
| a glass or plastic subs… | 0.51 |
| cuprous oxide | 0.32 |
| monocrystalline silicon | 0.28 |
| d-hvpe technology | 0.25 |
| indium | 0.25 |
| copper | 0.25 |
| gallium | 0.25 |
| made | 0.70 |
| connected in series | 0.64 |
| placed | 0.61 |
| connected | 0.61 |
| fabricated | 0.59 |
| combined into module | 0.55 |
| found on calculator | 0.51 |
| shown in fig | 0.49 |
| exposed to sunlight | 0.48 |
| contained within box | 0.45 |
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