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One pot synthesis of bi-linker stabilised CdSe quantum dots
CNR IDASC SENSOR Lab.ORCID iD: 0000-0003-1785-7177
Department of Chemical Sciences and INSTM Padova, Padova University.
CNR IDASC SENSOR Lab.
Department of Physics and Chemistry for Materials and Engineering and CNR-IDASC SENSOR Lab, Brescia University.ORCID iD: 0000-0003-2935-1165
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2010 (English)In: Journal of Physics, Conference Series, ISSN 1742-6588, E-ISSN 1742-6596, Vol. 244, article id 12067Article in journal (Refereed) Published
Abstract [en]

In this study we exploited the classic Murray's synthesis for generating a hydrophilic CdSe quantum dot system in a single step procedure, with the aim of directly obtaining a material responding to the characteristic of polarity required in many end applications. 6-phosphonohexanoic acid was used as both ligand for generating the active monomer during the synthesis of the quantum dots and final stabiliser. Diffraction measurements identified the cubic phase of cadmium selenide. Energy dispersive spectroscopy analysis revealed non-stoichiometric quantum dots, being the Cd/Se ratio 60/40. This feature suggests a configuration in which Cd2+ ions are present on the nanocrystal surface. Diffuse reflectance infrared Fourier transform analysis was applied in order to investigate the structure of the quantum dot system: the results indicate a configuration in which the carboxylic function of 6-phosphonohexanoic acid establishes only a partial interaction with the quantum dot surface, being set in a pseudo-ester configuration. © 2010 IOP Publishing Ltd.

Place, publisher, year, edition, pages
2010. Vol. 244, article id 12067
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Experimental Physics
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URN: urn:nbn:se:ltu:diva-27548DOI: 10.1088/1742-6596/245/1/012067Scopus ID: 2-s2.0-78651248262Local ID: 10b00a98-8abd-410b-aac5-d0a85ddf3f89OAI: oai:DiVA.org:ltu-27548DiVA, id: diva2:1000732
Conference
International Conference on Quantum Dots : 26/04/2010 - 30/04/2010
Note

Upprättat; 2010; 20141118 (albvom); Konferensartikel i tidskrift

Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2019-08-20Bibliographically approved

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Concina, IsabellaVomiero, Alberto

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