Chiral properties of surface complexes based on CdSe/ZnS quantum dots (QDs) and 1‐(2‐pyridylazo)‐2‐naphthol (PAN) azo dye were investigated by circular dichroism spectroscopy. The use of L‐, D‐cysteine (Lcys, Dcys) capping ligands allowed ...
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https://www.riss.kr/link?id=O120659715
2018년
-
0899-0042
1520-636X
SCI;SCIE;SCOPUS
학술저널
261-267 [※수록면이 p5 이하이면, Review, Columns, Editor's Note, Abstract 등일 경우가 있습니다.]
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
Chiral properties of surface complexes based on CdSe/ZnS quantum dots (QDs) and 1‐(2‐pyridylazo)‐2‐naphthol (PAN) azo dye were investigated by circular dichroism spectroscopy. The use of L‐, D‐cysteine (Lcys, Dcys) capping ligands allowed ...
Chiral properties of surface complexes based on CdSe/ZnS quantum dots (QDs) and 1‐(2‐pyridylazo)‐2‐naphthol (PAN) azo dye were investigated by circular dichroism spectroscopy. The use of L‐, D‐cysteine (Lcys, Dcys) capping ligands allowed us to obtain water‐soluble chiral QD‐PAN complexes. The characterization of the complexes was performed by UV‐vis, FTIR, and CD spectroscopy. Quantum chemical TDDFT calculated CD spectra reproduced the experimentally observed sign patterns, which originate from binding Lcys or Dcys and PAN molecules to the same Zn atom on the QD surface. The resulting complex is characterized by a large circular dichroism in comparison with an ordinary QD chirality induced by cysteine molecules. The pattern of CD signal is the same for Lcys and Dcys ligands in chiral QD‐PAN complex.
Schematic representation of chiral Dcys‐ZnSH‐PAN complex.
Cover Image, Volume 30, Issue 3
Dutch Resolution of a configurationally stable [5]helquat