Air-Stable All-Inorganic Nanocrystal Solar Cells Processed from Solution

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Science  21 Oct 2005:
Vol. 310, Issue 5747, pp. 462-465
DOI: 10.1126/science.1117908

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We introduce an ultrathin donor-acceptor solar cell composed entirely of inorganic nanocrystals spin-cast from solution. These devices are stable in air, and post-fabrication processing allows for power conversion efficiencies approaching 3% in initial tests. This demonstration elucidates a class of photovoltaic devices with potential for stable, low-cost power generation.

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