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      • Record: found
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      Retardation of nanoparticles growth by doping

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          Abstract

          The process of doping of CdS nanoparticles with Mn during colloidal synthesis is analyzed by EPR and optical studies. Analysis of EPR results demonstrated that Mn 2+ ions are successfully incorporated into the nanoparticles and occupy the crystal sites both in the bulk of a NP and near the surface of a NP. Optical absorption measurements revealed the retardation of absorption edge shift during the growth for Mn-doped CdS NPs as compared to the undoped CdS NPs. It was concluded that the presence of Mn in the solution leads to the inhibition of NPs growth.

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          Diluted magnetic semiconductors

          J. Furdyna (1988)
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            Doped nanocrystals.

            David Norris, Alexander Efros, Steven C. Erwin (2008)
            The critical role that dopants play in semiconductor devices has stimulated research on the properties and the potential applications of semiconductor nanocrystals, or colloidal quantum dots, doped with intentional impurities. We review advances in the chemical synthesis of doped nanocrystals, in the theoretical understanding of the fundamental mechanisms that control doping, and in the creation of highly conducting nanocrystalline films. Because impurities can be used to alter the properties of nanoscale materials in desirable and controllable ways, doped nanocrystals can address key problems in applications from solar cells to bioimaging.
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              Absorption and intensity-dependent photoluminescence measurements on CdSe quantum dots: assignment of the first electronic transitions

              T. Yazeva, F Hache, M. C. Schanne-Klein … (1993)
              Article 0 comments Cited 165 times – based on 0 reviews     Review now
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                Author and article information

                Contributors
                Valentyna Nosenko
                Galyna Rudko
                Volodymyr Fediv
                Andrij Savchuk
                Evgenij Gule
                Igor Vorona
                Journal
                Journal ID (nlm-ta): Nanoscale Res Lett
                Journal ID (iso-abbrev): Nanoscale Res Lett
                Title: Nanoscale Research Letters
                Publisher: Springer
                ISSN (Print): 1931-7573
                ISSN (Electronic): 1556-276X
                Publication date Collection: 2014
                Publication date (Electronic): 17 December 2014
                Volume: 9
                Issue: 1
                Page: 683
                Affiliations
                [1 ]V. Lashkaryov Institute of Semiconductor Physics of National Academy of Sciences of Ukraine, 45, Pr. Nauky, Kiev 03028, Ukraine
                [2 ]Department of Biophysics and Medical Informatics, Bukovinian State Medical University, 42 Kobylyanska st., 58000 Chernivtsi, Ukraine
                [3 ]Chernivtsi National University, 2 Kotsyubynsky st., 58012 Chernivtsi, Ukraine
                Article
                Publisher ID: 1556-276X-9-683
                DOI: 10.1186/1556-276X-9-683
                PMC ID: 4273699
                SO-VID: 0c1c8efe-b8cb-4671-842d-c87f02036152
                Copyright © Copyright © 2014 Nosenko et al.; licensee Springer.
                License:

                This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited.

                History
                Date received : 22 October 2014
                Date accepted : 12 December 2014
                Categories
                Subject: Nano Express

                ScienceOpen disciplines: Nanomaterials
                Keywords: doping,colloidal nanoparticles,cds,cds:mn,polyvinyl alcohol,radius size
                Data availability:
                ScienceOpen disciplines: Nanomaterials
                Keywords: doping, colloidal nanoparticles, cds, cds:mn, polyvinyl alcohol, radius size

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