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Spatially resolved photoluminescence mapping of single CdS nanosheets

  • H. Rho*
  • , K. Y. Lee
  • , T. B. Hoang
  • , L. V. Titova
  • , A. Mishra
  • , L. M. Smith
  • , H. E. Jackson
  • , J. M. Yarrison-Rice
  • , Y. J. Choi
  • , K. J. Choi
  • , J. G. Park
  • *Corresponding author for this work
  • Jeonbuk National University
  • University of Cincinnati
  • Miami University
  • Korea Institute of Science and Technology

Research output: Contribution to journalJournal articlepeer-review

Abstract

We have utilized spatially resolved low temperature photoluminescence to probe the electronic states and structural symmetries of individual single crystalline CdS nanosheets. Spatially resolved photoluminescence imaging of a single CdS nanosheet reveals a distinctive spectral variation across the nanosheet. We observe A -like exciton states which emit most strongly near the outer edges of the 5 μm wide nanosheet, while B -like exciton states emit most strongly along the center region of the 30 μm long axis of the nanosheet.

Original languageEnglish
Article number013111
JournalApplied Physics Letters
Volume92
Issue number1
DOIs
StatePublished - 2008

Quacquarelli Symonds(QS) Subject Topics

  • Physics & Astronomy

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