| 11. | A P-N junction can convert absorbed light energy into a proportional electric current.
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| 12. | This causes it to absorb less light energy and cool down.
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| 13. | However these cheaper crystals are less efficient at turning light energy into electricity.
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| 14. | Yeah OK, but theyre using high intensity visible light energy from the sun.
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| 15. | :Light energy can be focused pretty well with a Lens ( optics ).
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| 16. | LH2's fierce efficiency in harvesting and transmitting light energy is no mere parlor trick.
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| 17. | This would waste the high-energy electron and convert the absorbed light energy into heat.
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| 18. | This is the chemical reaction in which chemical energy is converted to light energy.
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| 19. | PECs convert light energy into electricity within a two-electrode cell.
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| 20. | Einstein postulated that light energy, too, is transferred in discreet amounts, later called photons.
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