| Similarity | Rank | |
|---|---|---|
| photovoltaic | 0.794 | 36260 |
| solar_panel | 0.771 | 8423 |
| thin_film | 0.740 | 32351 |
| graphene | 0.734 | 32090 |
| semiconductor | 0.718 | 20576 |
| nanowire | 0.714 | 57306 |
| OLED | 0.708 | 75560 |
| quantum_dot | 0.706 | 69073 |
| fuel_cell | 0.695 | 19021 |
| carbon_nanotube | 0.692 | 52056 |
| superconductor | 0.690 | 80245 |
| solar_energy | 0.689 | 10842 |
| silicon | 0.687 | 19378 |
| solar_technology | 0.675 | 77306 |
| lithium-ion_battery | 0.673 | 69790 |
| solar_collector | 0.671 | 94609 |
| nanostructure | 0.670 | 48063 |
| transistor | 0.660 | 27421 |
| solar_power | 0.660 | 12311 |
| PV_system | 0.659 | 74667 |
| cathode | 0.656 | 40384 |
| LEDs | 0.652 | 23186 |
| nanotube | 0.651 | 68217 |
| anode | 0.650 | 40884 |
| diode | 0.649 | 35544 |