Photoinduced Electron Transfer between CdS and CdTe Nanoparticles in Colloidal Solutions |
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| Authors: | Bodnarchuk M I Kovalenko M V Stroyuk A L Kuchmii S Ya |
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| Institution: | (1) L. V. Pisarzhevskii Institute of Physical Chemistry, National Academy of Sciences of Ukraine, 31 Nauky Prospekt, 03028, Kyiv, Ukraine |
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| Abstract: | The photochemical behavior of solutions containing a mixture of CdS and CdTe nanoparticles under pulsed irradiation conditions was investigated. It was shown that electron transfer from the CdS particles to the CdTe nanoparticles occurs during the photoexcitation of such systems. The effectiveness of the process is increased with increase in the size of the CdTe nanoparticles. Such behavior is due to decrease in the potential of the CdTe conduction band with increase in the size of the nanoparticles as a result of the appearance of quantum-dimensional effects. |
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| Keywords: | photoinduced electron transfer semiconductor nanoparticles cadmium sulfide cadmium telluride pulse photolysis Burstein– Moss effect |
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