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Lookup NU author(s): Dr Fabio Cucinotta
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Composite materials were easily prepared based on saponites where thiol-capped CdTe quantum dots (QDs) were hosted. A saponite was exchanged with a cationic polyelectrolyte solution of poly(diallyldimethylammonium chloride) (PDDA) and the thiol-capped QDs. Two composites based on delaminated saponites, a cationic polyelectrolyte and CdTe QDs were also prepared by spin-coating on a glass support. The presence of the QDs hosted in the inorganic matrices was tested by FT-IR and optical luminescence measurements. Additionally, a light-emitting diode was assembled and its I-V electrical characteristics are presented. Transition from ohmic behaviour to space charge limited conduction appeared at a turn-on voltage of 5.2 V.
Author(s): Pérez-Barrado E, Marsal LF, Aguiló M, Cesteros Y, Díaz F, Pallarès J, Cucinotta F, Marchese L, Pujol MC, Salagre P
Publication type: Article
Publication status: Published
Journal: RSC Advances
Online publication date: 26/10/2016
Acceptance date: 26/10/2016
ISSN (print): 2046-2069
Publisher: Royal Society of Chemistry
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