Achiral CdSe quantum dots exhibit optical activity in the visible region upon post-synthetic ligand exchange with d- or l-cysteine

Urice Tohgha, Krisztina Varga, Milan Balaz

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

Semiconductor cadmium selenide (CdSe) quantum dots (QDs) exhibited mirror-image circular dichroism (CD) spectra in the visible region (350-570 nm) after replacing the trioctylphosphine oxide/oleic acid ligands on achiral nanocrystals with d- and l-cysteines. Chiroptical properties of cysteine-capped CdSe QDs depend on their size and can be fine-tuned by changing the radius of QDs.

Original languageEnglish
Pages (from-to)1844-1846
Number of pages3
JournalChemical Communications
Volume49
Issue number18
DOIs
Publication statusPublished - 2013 Mar 4

Fingerprint

Cadmium
Semiconductor quantum dots
Cysteine
Ligands
Oleic acid
Dichroism
Oleic Acid
Nanocrystals
Mirrors
Semiconductor materials
Oxides
cadmium selenide
trioctyl phosphine oxide

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

Cite this

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Achiral CdSe quantum dots exhibit optical activity in the visible region upon post-synthetic ligand exchange with d- or l-cysteine. / Tohgha, Urice; Varga, Krisztina; Balaz, Milan.

In: Chemical Communications, Vol. 49, No. 18, 04.03.2013, p. 1844-1846.

Research output: Contribution to journalArticle

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