The rational design and synthesis of narrow-gap colloidal semiconductor nanocrystals (NCs) may be the key to the development of photovoltaics, photodetectors and thermoelectrics with advanced performance. SnTe is particularly attractive as Pb- and Hg-free semiconductors with a direct band gap of 0.18 eV. Initial efforts to synthesize SnTe NCs have succeeded only in producing monodisperse spherical SnTe NCs with no report of further shape control. In this talk, I will show our recent progress on use of a solution-phase synthesis strategy for achieving SnTe nanocubes. In addition to the synthesis, the spectroscopy and preliminary field-effect transistor performance of these materials will be also discussed.<br/>

Shape controlled narrow-gap tin chalocogenide nanostructures

249th National Meeting (2015)

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