期刊
POLYHEDRON
卷 60, 期 -, 页码 59-67出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.poly.2013.05.025
关键词
Single walled carbon nanotubes; Folic acid; Monoamino phthalocyanine; Triplet quantum yields; Fluorescence and singlet oxygen quantum yields
资金
- Department of Science and Technology (DST)
- National Research Foundation (NRF), South Africa through DST/NRF South African Research Chairs Initiative for Professor of Medicinal Chemistry and Nanotechnology
- Rhodes University
- DST/Mintek Nanotechnology Innovation Centre (NIC) - Sensors, South Africa
- Organization for Women in Science in the Developing World (OWSD)
This study reports on the photophysical and photochemical behavior of the conjugates formed by covalent and non-covalent bonding between zinc monoamino phthalocyanine (ZnMAPc) and either single walled carbon nanotubes (SWCNTs) or folic acid (FA). The conjugates were characterized using FTIR, X-ray powder diffractometry, thermogravimetric analyses, transmission electron microscopy and Raman spectroscopy. H-1 NMR and mass spectroscopies were only employed for ZnMAPc-FA conjugate. There was a slight increase in the triplet and singlet oxygen quantum yields on conjugating ZnMAPc to SWCNTs (or FA), while a decrease in the photophysical and photochemical parameters were observed upon adsorption of the ZnMAPc-FA conjugate to SWCNTs. (C) 2013 Elsevier Ltd. All rights reserved.
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