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A Novel Electroluminescent PPV Copolymer and Silsesquioxane Nanocomposite Film for the Preparation of Efficient PLED Devices

A Novel Electroluminescent PPV Copolymer and Silsesquioxane Nanocomposite Film for the Preparation of Efficient PLED Devices

Ivan Venegoni, Fabio Carniato, Francesco Olivero, Chiara Bisio, Nello Li Pira, Vito Guido Lambertini, Leonardo Marchese

Nanotechnology. 2012 Nov 2;23(43):435702.

PMID: 23059798

Abstract:

Polymer light-emitting diodes (PLEDs) have attracted growing interest in recent years for their potential use in displays and lighting fields. Nevertheless, PLED devices have some disadvantages in terms of low optoelectronic efficiency, high cost, short lifetimes and low thermal stability, which limit their final applications. Huge efforts have been made recently to improve the performances of these devices. The addition of inorganic or hybrid organic-inorganic nanoparticles to the light-emitting polymers, for example, allows their thermal stability and electroluminescent efficiency to be increased. Following this approach, novel PLED devices based on composite films of PPV-derivative copolymer (commercial name Super Yellow, SY) and octaisobutil POSS, were developed in this study. The device containing Super Yellow loaded with 1 wt% of POSS showed higher efficiency (ca. +30%) and improved lifetime in comparison to PLED prepared with the pure electroluminescent polymer. The PLED devices developed in this study are suitable candidates for automotive dashboards and, in general, for lighting applications.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP26009245	Super yellow light-emitting PPV copolymer		26009-24-5	Price

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