Spectral studies of thin films based on poly(N-vinylcarzole) and red dopant

Tang, Aiwei; Feng, Tao; Xiong, Shiyun; Hou, Yanbing

doi:10.1016/j.apsusc.2007.08.050

Cited by 7 publications

(3 citation statements)

References 18 publications

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“…In general, this new category of materials, resulting from the mixture of polymers and carbon nanotubes, called composites, has interesting properties and could be exploited in manufacturing organic electronic nanodispositifs [3][4][5]. PVK is known with its interesting photoconductive properties [6][7][8][9]. So, we try to marry short-oligo-N-vinylcarbazole properties with those of the nanotubes which firstly undergo easy and reproducible synthesis and secondly its correlation structure-properties are well-known [10].…”

Section: Introductionmentioning

confidence: 99%

Grafting of oligo-N-vinyl carbazole on single walled carbon nanotubes

Zaidi

Bouzayen

Wéry

et al. 2010

Journal of Molecular Structure

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Section: Introductionmentioning

confidence: 99%

Grafting of oligo-N-vinyl carbazole on single walled carbon nanotubes

Zaidi

Bouzayen

Wéry

et al. 2010

Journal of Molecular Structure

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“…Red emission, as one of the primary parts for full color display, has been generally carried out via a hostdopant system to avoid severe concentration quenching. 2,3 However, the doping approach makes it complicated to fabricate devices and the emission chrominance usually shift with the bias voltage. Although a few non-doped red emitters have been reported, most of which adopted linear 4,5 or V-shaped 6,7 donor-p-acceptor-p-donor (D-p-A-p-D) systems to prevent dipole-dipole interaction between molecules, however, a multi-layer structure has been generally employed to improve charge balance and efficiency of the device, which does raise the cost of fabrication.…”

Section: Introductionmentioning

confidence: 99%

A bright single layer non-doped orange-red light emitting diode using a symmetric starburst material via solution process

et al. 2010

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A symmetric starburst orange-red emitter, 2,4,6-tris((E)-2-(10-butyl-10H-phenothiazin-2-yl)vinyl)-1,3,5-triazine (TP3T) incorporating phenothiazine as the electron donor and triazine as the electron acceptor, was synthesized. It shows high fluorescence quantum yield (0.42 in toluene) because of the existence of strong intramolecular charge transfer between the phenothiazine and the triazine moieties. The smaller dipole moment for the molecule resulted from its symmetric starburst conformation and larger alkyl group substituents induce weaker interaction of molecules, thus fluorescence quenching can be effectively reduced. Owing to its bipolar structure, both hole and electron transport could be facilitated. A single layer non-doped stable orange-red emission with CIE coordinates at (0.59, 0.41) and a low turn-on voltage of 2.5 V and a maximum luminance of 2935 cd m À2 was obtained by using TP3T as the single combination layer of charge transporting and emitter via solution process.

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“…Therefore, the quality of resulting composite is directly bound to the amount of SWNTs and the choice of the reactionnal medium and method. In parallel, it was shown that Poly(N-vinylcarbazole) (PVK) is an attractive polymer owing to its photoconductive properties (Caste et al, 2003;Tang et al, 2008) and it has be used in xerographic systems (Moisan et al, 1991). This non-conjugated polymer is currently used as a good hole transporting material in photovoltaic devices (Barlier et al, 2009) or as a luminescent polymer emitting in the blue part when prepared in nanoparticles (Yoon et al, 2008).…”

Section: Introductionmentioning

confidence: 99%