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- W2892030859 endingPage "10060" @default.
- W2892030859 startingPage "10045" @default.
- W2892030859 abstract "Colloidal-based solution syntheses offer a scalable and cost-efficient means of producing 2D nanomaterials in high yield. While much progress has been made toward the controlled and tailorable synthesis of semiconductor nanocrystals in solution, it remains a substantial challenge to fully characterize the products’ inherent electronic transport properties. This is often due to their irregular morphology or small dimensions, which demand the formation of colloidal assemblies or films as a prerequisite to performing electrical measurements. Here, we report the synthesis of nearly monodisperse 2D colloidal nanocrystals of semiconductor SnS and a thorough investigation of the intrinsic electronic transport properties of single crystals. We utilize a combination of multipoint contact probe measurements and ultrafast terahertz spectroscopy to determine the carrier concentration, carrier mobility, conductivity/resistivity, and majority carrier type of individual colloidal semiconductor nanocrystals. Employing this metrological approach, we compare the electronic properties extracted for distinct morphologies of 2D SnS and relate them to literature values. Our results indicate that the electronic transport of colloidal semiconductors may be tuned through prudent selection of the synthetic conditions. We find that these properties compare favorably to SnS grown using vapor deposition techniques, illustrating that colloidal solution synthesis is a promising route to scalable production of nanoscale 2D materials." @default.
- W2892030859 created "2018-09-27" @default.
- W2892030859 creator A5012685102 @default.
- W2892030859 creator A5014079028 @default.
- W2892030859 creator A5036310968 @default.
- W2892030859 creator A5053699400 @default.
- W2892030859 creator A5058798294 @default.
- W2892030859 creator A5072501258 @default.
- W2892030859 creator A5074645467 @default.
- W2892030859 creator A5077905426 @default.
- W2892030859 date "2018-09-24" @default.
- W2892030859 modified "2023-09-26" @default.
- W2892030859 title "Contact and Noncontact Measurement of Electronic Transport in Individual 2D SnS Colloidal Semiconductor Nanocrystals" @default.
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