English

Chitosan Nanocomposites with CdSe/ZnS Quantum Dots and Porphyrin

Applied Physics 2021-11-16 v1 Optics
Authors: F. A. Sewid , K. I. Annas , A. Dubavik , A. V. Veniaminov , V. G. Maslov , A. O. Orlov
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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 in comparison with free TPP in CS at the same concentration due to intracomplex Forster resonance energy transfer (FRET) with 45 % average efficiency.

Keywords

chitosan nanocomposites CdSe/ZnS quantum dots tetraphenylporphyrin Forster resonance energy transfer singlet oxygen generation magnetic circular dichroism

Cite

@article{arxiv.2111.07579,
  title  = {Chitosan Nanocomposites with CdSe/ZnS Quantum Dots and Porphyrin},
  author = {F. A. Sewid and K. I. Annas and A. Dubavik and A. V. Veniaminov and V. G. Maslov and A. O. Orlov},
  journal= {arXiv preprint arXiv:2111.07579},
  year   = {2021}
}

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