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Issue 18, 2013
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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

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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.

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

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Publication details

The article was received on 05 Nov 2012, accepted on 20 Jan 2013 and first published on 22 Jan 2013


Article type: Communication
DOI: 10.1039/C3CC37987F
Citation: Chem. Commun., 2013,49, 1844-1846
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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

    U. Tohgha, K. Varga and M. Balaz, Chem. Commun., 2013, 49, 1844
    DOI: 10.1039/C3CC37987F

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