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Photoconductivity of zinc selenide nanocrystals obtained by chemical method

  • Yu A. Nitsuk*
  • , I. V. Tepliakova
  • , Yu F. Vaksman
  • , V. A. Smyntyna
  • , I. R. Yatsunsky
  • *Corresponding author for this work
  • Odessa National University
  • Adam Mickiewicz University in Poznań

Research output: Contribution to journalArticlepeer-review

Abstract

The photoconductivity spectra of ZnSe nanocrystals deposited on porous silicon wafers and wafers with silicon nanorods are studied. After deposition of ZnSe nanocrystals, a series of lines appears in the visible region of the the photoconductivity spectra of por-Si. The high-energy photoconductivity line is due to band-gap transitions in ZnSe nanoparti-cles. The other five lines of photoconductivity are due to transitions involving associative donor-acceptor centers, which include both intrinsic defects and uncontrolled impurity defects.

Original languageEnglish
Pages (from-to)450-453
Number of pages4
JournalFunctional Materials
Volume27
Issue number3
DOIs
Publication statusPublished - 2020
Externally publishedYes

Keywords

  • long-wavelength photoconductivity
  • Nanocrystals

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