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The Influence Of Phthalocyanine Aggregation In Complexes With Cdse/Zns Quantum Dots On The Photophysical Properties Of The Complexes, Irina V. Martynenko, Anna O. Orlova, Vladimir G. Maslov, Anatoly V. Federov, Kevin Berwick, Alexander V. Baranov
The Influence Of Phthalocyanine Aggregation In Complexes With Cdse/Zns Quantum Dots On The Photophysical Properties Of The Complexes, Irina V. Martynenko, Anna O. Orlova, Vladimir G. Maslov, Anatoly V. Federov, Kevin Berwick, Alexander V. Baranov
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The formation of nonluminescent aggregates of aluminium sulfonated phthalocyanine in complexes with CdSe/ZnS quantum dots causes a decrease of the intracomplex energy transfer efficiency with increasing phthalocyanine concentration. This was confirmed by steady-state absorption and photoluminescent spectroscopy. A corresponding physical model was developed that describes well the experimental data. The results can be used at designing of QD/molecule systems with the desired spatial arrangement for photodynamic therapy.