2002
DOI: 10.1063/1.1489067
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Triode-type field emission array using carbon nanotubes and a conducting polymer composite prepared by electrochemical polymerization

Abstract: We report a method to fabricate carbon nanotubes (CNT)/conducting polymer composite films for the application of CNTs to field emission displays. The composite was prepared by a combination of electrochemical polymerization of pyrrole and electrophoretic deposition of CNTs. We obtained a uniform CNT/conducting polypyrrole polymer composite film. The CNTs were mainly coated on protrusions of the polypyrrole film and emitted electrons without rubbing and stretching. We realized a triode-type field emission array… Show more

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Cited by 49 publications
(9 citation statements)
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“…Therefore, the results indicate that prepared hybrid thermally stable and electrically conductive nanomaterials have potential applications in the manufacture of supercapacitors [61,62], rechargeable batteries [63,64], sensors [41,45,65,66,67,68], sorbents [69], field-emission devices [70], anti-corrosion coatings [71], dye-sensitized solar cells [72,73,74,75,76,77,78,79], etc.…”
Section: Resultsmentioning
confidence: 99%
“…Therefore, the results indicate that prepared hybrid thermally stable and electrically conductive nanomaterials have potential applications in the manufacture of supercapacitors [61,62], rechargeable batteries [63,64], sensors [41,45,65,66,67,68], sorbents [69], field-emission devices [70], anti-corrosion coatings [71], dye-sensitized solar cells [72,73,74,75,76,77,78,79], etc.…”
Section: Resultsmentioning
confidence: 99%
“…In order to improve CNTs adhesion then to improve their emission properties at high applied electric field, researchers have carried out some works. For example, Jin et al [14] and Oh et al [15] enhanced the CNTs adhesion to substrate and therefore improved the emission stability by oxidizing or surfactant-modifing CNTs surface; Kurnosov et al [18] introduced a resistive material (ITO) on top of the conductive substrate and utilized the interaction between CNTs and ITO surface to enhance the electrophoretic CNTs adhesion and investigated the influence of electrodes separation on the emission uniformity of electrophoretic CNTs film.…”
Section: Introductionmentioning
confidence: 98%
“…Previous studies [12,13] showed that EPD is a useful technique to obtain an effective electron source with minimal outgassing and to make CNTs-FED due to its characteristics and the fact that no binder is required. Using EPD method, the fabrication of large area, vertically aligned and complex patterned CNTs array onto the substrates with complicated shapes and structures can be realized at low temperature [13][14][15][16][17]. However, according to the existing literature, the field emission properties, especially uniformity and stability of emission, electrophoretic CNTs films usually appear an obvious deterioration at high electric field due to weak adhesion between CNTs and substrates.…”
Section: Introductionmentioning
confidence: 99%
“…Carbon nanotube alignment has been in the forefront of such work. Many attempts have been made to obtain VACNT forests by wet chemical self-assembly, 45 using magnetic fields and a binder, 46 filtration through hydrophilic membranes, 24 electrochemical polymerization of a binder along with electrophoretic deposition of nanotubes, 47 and polymer assisted alignment using a template, 48 to name a few. These methods have provided significant insight and shown progress in achieving vertical alignment of carbon nanotubes.…”
Section: Role Of Nanomaterialsmentioning
confidence: 99%
“…[63][64] Codeposition of conductive polymer was shown to allow part of the CNTs to protrude from the substrate surface. 65 Ultrasonic agitation was also used to reassemble the EPDdeposited short CNTs into vertically-aligned bundles. 66 Currently, like other postsynthesis methods, the EPD forests of vertical CNTs are still suffering from far inferior quality than their VLS counterparts.…”
Section: Introductionmentioning
confidence: 99%