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Synthesis and Characterization of Supramolecular Colloids
Published on: April 22, 2016
Copolímeros supramoleculares con enlaces de hidrógeno que emiten luz blanca basados en oligómeros pi-conjugados
Robert Abbel1, Christophe Grenier, Maarten J Pouderoijen
1Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands.
Journal of the American Chemical Society
|December 20, 2008
Resumen
Los investigadores crearon polímeros supramoleculares utilizando oligómeros pi-conjugados funcionalizados. Estos polímeros exhiben colores de emisión sintonizables y pueden formar diodos emisores de luz blanca, ofreciendo una versátil caja de herramientas moleculares.
Área de la Ciencia:
- Ciencia de los materiales Ciencia de los materiales.
- Química de Polímeros La Química de Polímeros es la química de los polímeros.
- Electrónica orgánica y electrónica orgánica.
Sus antecedentes:
- Los oligómeros conjugados con pi son componentes clave en la electrónica orgánica.
- Los polímeros supramoleculares ofrecen propiedades únicas de autoensamblaje.
- Lograr colores de emisión sintonizables y emisión de luz blanca es un desafío significativo.
Objetivo del estudio:
- Desarrollar oligómeros pi-conjugados funcionalizados capaces de autoensamblarse en polímeros supramoleculares.
- Para investigar la formación de copolímeros no covalentes aleatorios y los mecanismos de transferencia de energía.
- Para crear polímeros supramoleculares emisores de luz blanca y dispositivos con colores de emisión sintonizables.
Principales métodos:
- Funcionalización de tres diferentes oligómeros pi-conjugados (oligofluoreno, oligo-fenileno-vinileno, perileno-bisimida) con unidades de ureidopirimidinonona (UPy).
- Autoensamblaje de oligómeros funcionalizados en solución y a granel para formar polímeros supramoleculares.
- Fabricación de películas delgadas por recubrimiento de espín y preparación de diodos emisores de luz.
Principales resultados:
- Formación de polímeros supramoleculares con copolimerización no covalente aleatoria y transferencia de energía eficiente.
- Creación de polímeros supramoleculares emisores blancos en solución y como películas finas lisas.
- Fabricación exitosa de diodos emisores de luz azules, verdes, rojos y blancos basados en polímeros supramoleculares.
Conclusiones:
- La funcionalización UPy permite la construcción de polímeros supramoleculares pi-conjugados con composiciones y propiedades controlables.
- Estos polímeros supramoleculares ofrecen una plataforma versátil para colores de emisión sintonizables y generación eficiente de luz blanca en dispositivos electrónicos.
- La caja de herramientas molecular desarrollada facilita la creación de materiales electrónicos orgánicos avanzados.
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