Photovoltaic Devices Employing Ternary PbSxSe1-x Nanocrystals
Nano Letters2009Vol. 9(4), pp. 1699–1703
Citations Over TimeTop 1% of 2009 papers
Abstract
We report solar cells based on highly confined nanocrystals of the ternary compound PbS(x)Se(1-x). Crystalline, monodisperse alloyed nanocrystals are obtained using a one-pot, hot injection reaction. Rutherford back scattering and energy-filtered transmission electron microscopy suggest that the S and Se anions are uniformly distributed in the alloy nanoparticles. Photovoltaic devices made using ternary nanoparticles are more efficient than either pure PbS or pure PbSe based nanocrystal devices.
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