Bandgap engineered monodisperse and stable mercury telluride quantum dots and their application for near-infrared photodetection

Sungwoo Kim, Taehoon Kim, Sang Hyuk Im, Sang Il Seok, Kang Wook Kim, Sungjee Kim, Sang Wook Kim

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Bandgap-engineered monodisperse HgTe NCs of different sizes were synthesized by means of a facile temperature-control method, a non-aqueous and non-Te-gas process. The photo-physical properties of the synthesized NCs in a simple photovoltaic device were tested. It was shown that this cell is capable of processing signals up to the 100 kHz level below 3 dB and hence is suitable for use in NIR photodetection.

Original languageEnglish
Pages (from-to)15232-15236
Number of pages5
JournalJournal of Materials Chemistry
Volume21
Issue number39
DOIs
Publication statusPublished - 2011 Oct 21

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Chemistry

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