Solution-Phase Synthesis of SnSe Nanocrystals for Use in Solar Cells
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AbstractNanocrystals of phase-pure tin(II) selenide (SnSe) were synthesized via a solution-phase route employing stoichiometric amounts of di-tert-butyl dlselenlde as a novel and facile selenium source. The direct band gap of the resulting nanocrystals (E8 = 1.71 eV) is significantly blue-shifted relative to the bulk value (E8 = 1.30 eV), a likely consequence of quantum confinement resulting from the relatively small average diameter of the nanocrystals (μD < 20 nm). Preliminary solar cell devices incorporating SnSe nanocrystals into a poly[2-methoxy5-(3',7'-d1methyloctyloxy)-1,4- phenylenev1nylene] matrix demonstrate a significant enhancement In quantum efficiency and short-circuit current density, suggesting that this earth-abundant material could be a valuable component In future photovoltaic devices. Copyright © 2010 American Chemical Society.
CitationFranzman MA, Schlenker CW, Thompson ME, Brutchey RL (2010) Solution-Phase Synthesis of SnSe Nanocrystals for Use in Solar Cells. Journal of the American Chemical Society 132: 4060–4061. Available: http://dx.doi.org/10.1021/ja100249m.
SponsorsThis material is based on work supported by the National Science Foundation under DMR-0906745. M.A.F. was supported as part of the Center for Energy Nanoscience, an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Award DE-SC0001013. C.W.S. was supported by the Center for Advanced Molecular Photovoltaics (CAMP) (KUS-C1-015-21), made by King Abdullah University of Science and Technology (KAUST) and Global Photonic Energy Corporation.
PublisherAmerican Chemical Society (ACS)
CollectionsPublications Acknowledging KAUST Support
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