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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
provided by the
Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Showing 1 to 3 of 3 (0.075 seconds)Spelling suggestions: "subject:"ionenaustausch"" "subject:"datenaustausch""
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Transfer of Inorganic-Capped Nanocrystals into Aqueous MediaGuhrenz, Chris, Sayevich, Vladimir, Weigert, Florian, Hollinger, Eileen, Reichhelm, Annett, Resch-Genger, Ute, Gaponik, Nikolai, Eychmüller, Alexander 28 February 2019 (has links)
We report on a novel and simple approach to surface ligand design of CdSe-based nanocrystals (NCs) with biocompatible, heterobifunctional polyethylene glycol (PEG) molecules. This method provides high transfer yields of the NCs into aqueous media with preservation of the narrow and symmetric emission bands of the initial organic-capped NCs regardless of their interior crystal structure and surface chemistry. The PEG-functionalized NCs show small sizes, high photoluminescence quantum yields of up to 75%, as well as impressive optical and colloidal stability. This universal approach is applied to different fluorescent nanomaterials (CdSe/CdS, CdSe/CdSCdxZn1–xS, and CdSe/CdS/ZnS), extending the great potential of organic-capped NCs for biological applications.
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Synthesis, Surface Design and Assembling of Colloidal Semiconductor NanocrystalsSayevich, Uladzimir 30 August 2016 (has links) (PDF)
The work presented in the thesis is focused on the synthesis of diverse colloidal semiconductor NCs in organic media, their surface design with tiny inorganic and hybrid capping species in solution phase, and subsequent assembling of these NC building units into two-dimensional close-packed thin-films and three-dimensional non-ordered porous superstructures.
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Synthesis, Surface Design and Assembling of Colloidal Semiconductor NanocrystalsSayevich, Uladzimir 15 August 2016 (has links)
The work presented in the thesis is focused on the synthesis of diverse colloidal semiconductor NCs in organic media, their surface design with tiny inorganic and hybrid capping species in solution phase, and subsequent assembling of these NC building units into two-dimensional close-packed thin-films and three-dimensional non-ordered porous superstructures.
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