Por favor, use este identificador para citar o enlazar a este item: http://hdl.handle.net/10261/153687
COMPARTIR / EXPORTAR:
logo share SHARE logo core CORE BASE
Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL | DATACITE

Invitar a revisión por pares abierta
Título

Thermoresponsive random and block copolymers based on diethylene glycol methacrylate and a novel thiolated methacrylic monomer for the coating of semiconductor nanoparticles

AutorFerrández-Montero, Ana CSIC ORCID; Quijada-Garrido, Isabel CSIC ORCID ; Liras, Marta CSIC ORCID CVN; García, Olga CSIC ORCID
Palabras claveThiolated polymer
MEO2MA
Smart polymer
Thermoresponsive
Nanohybrid
Thio-monomer
Fecha de publicación2016
EditorElsevier
CitaciónEuropean Polymer Journal 84: 565-576 (2016)
ResumenThe synthesis of smart polymers functionalized with thiol groups offers the possibility to connect the macromolecular structure to the surface of semiconductor nanoparticles, thus combining the amazing properties of the inorganic core and the smart properties of the polymeric coating. With this aim, a new methacrylic monomer containing a protected thiol group 2-(2-acetylthioetoxy)ethyl methacrylate (AcSEOMA) was synthesized. By the atom transfer radical polymerization of AcSEOMA with 2-(2-methoxyethoxy)ethyl methacrylate (MEOMA), thermoresponsive p(MEOMA-co-AcSEOMA) random and p[(MEOMA-co-AcSEOMA)-b-MEOMA] block copolymers were prepared. After thiol deprotection, both random and block copolymers, exhibited lower critical solution temperature (LCST) modulated by the pH. These new multi-thiolated copolymers easily replaced the hydrophobic ligand at the Quantum Dot (QD) surface leading to stable amphiphilic photoluminescent nanoparticles. Moreover, QD@polymer photoluminescence was closely related to the thiol content and its distribution along the polymer chains. In addition, functionalization with block copolymers, conduced to a noticeable increase of hybrid water solubility (ca. 15 mg mL). Finally, the polymer coating triggered a remarkable increase of nanohybrids fluorescence at acidic pH and high temperature (above the LCST). All these hybrids materials are promising for possible applications as biosensors and in the optoelectronics field.
DescripciónSupplementary data associated with this article can be found, in the online version, at http://dx.doi.org/10.1016/j.eurpolymj. 2016.09.054.
Versión del editorhttp://dx.doi.org/10.1016/j.eurpolymj.2016.09.054
URIhttp://hdl.handle.net/10261/153687
DOI10.1016/j.eurpolymj.2016.09.054
Identificadoresdoi: 10.1016/j.eurpolymj.2016.09.054
issn: 0014-3057
e-issn: 1873-1945
Aparece en las colecciones: (ICTP) Artículos




Ficheros en este ítem:
Fichero Descripción Tamaño Formato
accesoRestringido.pdf15,38 kBAdobe PDFVista previa
Visualizar/Abrir
Mostrar el registro completo

CORE Recommender

SCOPUSTM   
Citations

5
checked on 10-mar-2024

WEB OF SCIENCETM
Citations

4
checked on 21-feb-2024

Page view(s)

284
checked on 18-mar-2024

Download(s)

90
checked on 18-mar-2024

Google ScholarTM

Check

Altmetric

Altmetric


NOTA: Los ítems de Digital.CSIC están protegidos por copyright, con todos los derechos reservados, a menos que se indique lo contrario.