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Hybrid N-Butylamine-Based Ligands for Switching the Colloidal Solubility and Regimentation of Inorganic-Capped Nanocrystals.
Sayevich, Vladimir; Guhrenz, Chris; Dzhagan, Volodymyr M; Sin, Maria; Werheid, Matthias; Cai, Bin; Borchardt, Lars; Widmer, Johannes; Zahn, Dietrich R T; Brunner, Eike; Lesnyak, Vladimir; Gaponik, Nikolai; Eychmüller, Alexander.
Afiliación
  • Sayevich V; Physical Chemistry and Center for Advancing Electronics Dresden (cfAED), TU Dresden , Bergstr. 66b, Dresden 01062, Germany.
  • Guhrenz C; Physical Chemistry and Center for Advancing Electronics Dresden (cfAED), TU Dresden , Bergstr. 66b, Dresden 01062, Germany.
  • Dzhagan VM; Semiconductor Physics, TU Chemnitz , Chemnitz D-09107, Germany.
  • Sin M; Department of Chemistry and Food Chemistry, Bioanalytical Chemistry, TU Dresden , Bergstr. 66, Dresden 01069, Germany.
  • Werheid M; Physical Chemistry and Center for Advancing Electronics Dresden (cfAED), TU Dresden , Bergstr. 66b, Dresden 01062, Germany.
  • Cai B; Physical Chemistry and Center for Advancing Electronics Dresden (cfAED), TU Dresden , Bergstr. 66b, Dresden 01062, Germany.
  • Borchardt L; Department of Inorganic Chemistry, TU Dresden , Bergstr. 66, Dresden 01062, Germany.
  • Widmer J; Institut für Angewandte Photophysik, TU Dresden , George-Bähr-Str. 1, Dresden 01069, Germany.
  • Zahn DR; Semiconductor Physics, TU Chemnitz , Chemnitz D-09107, Germany.
  • Brunner E; Department of Chemistry and Food Chemistry, Bioanalytical Chemistry, TU Dresden , Bergstr. 66, Dresden 01069, Germany.
  • Lesnyak V; Physical Chemistry and Center for Advancing Electronics Dresden (cfAED), TU Dresden , Bergstr. 66b, Dresden 01062, Germany.
  • Gaponik N; Physical Chemistry and Center for Advancing Electronics Dresden (cfAED), TU Dresden , Bergstr. 66b, Dresden 01062, Germany.
  • Eychmüller A; Physical Chemistry and Center for Advancing Electronics Dresden (cfAED), TU Dresden , Bergstr. 66b, Dresden 01062, Germany.
ACS Nano ; 11(2): 1559-1571, 2017 02 28.
Article en En | MEDLINE | ID: mdl-28052188
We report on a simple and effective technique of tuning the colloidal solubility of inorganic-capped CdSe and CdSe/CdS core/shell nanocrystals (NCs) from highly polar to nonpolar media using n-butylamine molecules. The introduction of the short and volatile organic amine mainly results in a modification of the labile diffusion region of the inorganic-capped NCs, enabling a significant extension of their dispersibility and improving the ability to form long-range assemblies. Moreover, the hybrid n-butylamine/inorganic capping can be thermally decomposed under mild heat treatment, making this approach of surface functionalization well-compatible with a low-temperature, solution-processed device fabrication. Particularly, a field-effect transistor-based on n-butylamine/Ga-I-complex-capped 4.5 nm CdSe NC solids shows excellent transport characteristics with electron mobilities up to 2 cm2/(V·s) and a high current modulation value (>104) at a low operation voltage (<2 V).
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: ACS Nano Año: 2017 Tipo del documento: Article País de afiliación: Alemania Pais de publicación: Estados Unidos
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: ACS Nano Año: 2017 Tipo del documento: Article País de afiliación: Alemania Pais de publicación: Estados Unidos