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Adv Mater. 2016 Apr 13;28(14):2782-9. doi: 10.1002/adma.201505521. Epub 2016 Feb 08.

Photoinduced p- to n-type Switching in Thermoelectric Polymer-Carbon Nanotube Composites.

Advanced materials (Deerfield Beach, Fla.)

Bernhard Dörling, Jason D Ryan, John D Craddock, Andrea Sorrentino, Ahmed El Basaty, Andrés Gomez, Miquel Garriga, Eva Pereiro, John E Anthony, Matthew C Weisenberger, Alejandro R Goñi, Christian Müller, Mariano Campoy-Quiles

Affiliations

  1. Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus de la UAB, Bellaterra, 08193, Spain.
  2. Department of Chemistry and Chemical Engineering, Chalmers University of Technology, Göteborg, 41296, Sweden.
  3. Center for Applied Energy Research, University of Kentucky, Lexington, KY, 40511, USA.
  4. ALBA Synchrotron Light Source, 08193, Cerdanyola del Vallés, Spain.
  5. Department of Basic Science, Faculty of Industrial Education, Helwan University, Cairo, Egypt.
  6. ICREA, Passeig Lluís Companys 23, 08010, Barcelona, Spain.

PMID: 26853701 DOI: 10.1002/adma.201505521

Abstract

UV-induced switching from p- to n-type character is demonstrated during deposition of carbon-nanotube-conjugated polymer composites. This opens the possibility to photopattern n-type regions within an otherwise p-type film, which has a potential for complementary circuitry or, as shown here, thermoelectric generators made from a single solution.

© 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords: Seebeck coefficient; carbon nanotubes; organic electronics; organic thermoelectrics

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