Open Access
Open access
RSC Advances, volume 12, issue 2, pages 899-906

Chitosan nanocomposites with CdSe/ZnS quantum dots and porphyrin

Publication type: Journal Article
Publication date: 2022-01-04
Journal: RSC Advances
scimago Q1
SJR: 0.715
CiteScore: 7.5
Impact factor: 3.9
ISSN: 20462069
DOI:  10.1039/d1ra08148a
PubMed ID:  35425094
General Chemistry
General Chemical Engineering
Abstract
Water-soluble nanocomposites based on CdSe/ZnS quantum dots (QDs) and hydrophobic tetraphenylporphyrin (TPP) molecules passivated by chitosan (CS) have been formed. Magnetic circular dichroism (MCD) spectra evidence TPP presence in both monomeric and agglomerated forms in the nanocomposites. The nanocomposites demonstrate more pronounced singlet oxygen generation compared to free TPP in CS at the same concentration due to the intracomplex Förster resonance energy transfer (FRET) with a 45% average efficiency.
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