The Influence of Surface-Modification Technology on the Spectral Characteristics of Hydrophilic CdSe/ZnS Nanoparticles upon Interaction with Polyelectrolytes


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The spectral and kinetic characteristics of CdSe/ZnS nanoparticles (NPs) surface-modified with cysteamine by two different methods are considered upon interaction with polyelectrolytes. With the use of steady-state and time-resolved fluorescence spectroscopies, it is shown that the fluorescence intensity and stability of NPs in the presence of polyelectrolytes depend on the surface-modification method. It is found that hydrophilic NPs obtained at the interface between two immiscible liquids (chloroform–water) are more resistant to aggregation.

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I. Motevich

Yanka Kupala Grodno State University

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Email: i.motevich@grsu.by
白俄罗斯, Grodno, 230023

N. Popko

Yanka Kupala Grodno State University

Email: i.motevich@grsu.by
白俄罗斯, Grodno, 230023

N. Strekal’

Yanka Kupala Grodno State University

Email: i.motevich@grsu.by
白俄罗斯, Grodno, 230023

S. Maskevich

International Sakharov Environmental Institute of Belarusian State University

Email: i.motevich@grsu.by
白俄罗斯, Minsk, 220070

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