Electrochemically deposited nanocrystalline InSb thin films and their electrical properties

نویسندگان

  • K. E. Hnida
  • S. Bäßler
  • J. Mech
  • K. Szaciłowski
  • R. P. Socha
  • M. Gajewska
  • K. Nielsch
  • M. Przybylski
  • G. D. Sulka
چکیده

We present an electrochemical route to prepare nanocrystalline InSb thin films that can be transferred to an industrial scale. The morphology, composition, and crystallinity of the prepared uniform and compact thin films with a surface area of around 1 cm were investigated. The essential electrical characteristics such as conductivity, Seebeck coefficient, the type, concentration and mobility of charge carriers have been examined and compared with InSb nanowires obtained in the same system for electrochemical deposition (fixed pulse sequence, temperature, electrolyte composition, and system geometry). Moreover, obtained thin films show much higher band gap energy (0.53 eV) compared to the bulk material (0.17 eV) and InSb nanowires (0.195 eV).

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تاریخ انتشار 2016