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Preparación y caracterización de polímeros conjugados hechos por reacciones de postpolimerización de policetonas
Chen Cheng1, Damien Guironnet, James Barborak
1Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, USA.
Journal of the American Chemical Society
|May 28, 2011
Resumen
Se sintetizaron nuevos polímeros conjugados con una columna vertebral de poli (2,5-dimetilenetetrahidrofurano). Estos materiales exhiben una fuerte absorción de luz visible, cambiando a la región del infrarrojo cercano tras el dopaje ácido, lo que permite la producción a gran escala.
Área de la Ciencia:
- Química de Polímeros La Química de Polímeros es la química de los polímeros.
- Ciencia de los materiales Ciencia de los materiales.
- Electrónica orgánica y electrónica orgánica.
Sus antecedentes:
- Los polímeros conjugados son cruciales para la electrónica orgánica.
- El desarrollo de nuevos polímeros conjugados con propiedades ópticas sintonizables es un área de investigación activa.
Objetivo del estudio:
- Para sintetizar nuevos polímeros conjugados con una columna vertebral de poli (2,5-dimetileno tetrahidrofurano).
- Investigar las propiedades ópticas y electrónicas de estos nuevos materiales.
Principales métodos:
- Modificación por pospolimerización de las policetonas estirenicas.
- Síntesis de una sola olla que incluye condensación, brominación y eliminación de HBr.
- Caracterización mediante espectroscopia de RMN, IR, UV y voltametría cíclica (CV).
Principales resultados:
- Polímeros conjugados preparados con éxito con una columna vertebral de poli (2,5-dimetilenetetrahidrofurano).
- Los polímeros exhiben una fuerte absorción en el espectro visible.
- Los picos de absorción se desplazan a la región del infrarrojo cercano (NIR) tras el dopaje ácido.
Conclusiones:
- Los nuevos polímeros conjugados se sintetizan fácilmente a través de un proceso escalable.
- Los materiales poseen propiedades ópticas ajustables adecuadas para diversas aplicaciones.
- La vía sintética ofrece un método fácil para la producción a gran escala de estos polímeros conjugados.
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