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Quantum Dots Give Boost to Solar Cells

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STANFORD, Calif., Feb. 22, 2011 — Adding a single layer of organic molecules to a solar cell can increase its efficiency threefold, leading to cheaper, more efficient solar panels, chemical engineers at Stanford University found. Stacey Bent, professor of chemical engineering, first became interested in a new kind of solar technology two years ago. These solar cells used tiny particles of semiconductors called quantum dots. Quantum dot solar cells are cheaper to produce than traditional ones, as they can be made using simple chemical reactions. But despite their promise, they lagged well behind existing solar cells in...Read full article

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    Published: February 2011
    AmericasBasic Sciencecadmium sulfide quantum dotsCaliforniaenergygreen photonicsMichael McGeheeorganic moleculesquantum dot solar cellsResearch & Technologysiliconsolar panelsStacy BentStanford Universitytitanium dioxide semiconductorvisible light

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