High optical density and low dielectric constant black matrix containing graphene oxide and carbon black on color filters

Bui, Thanh Son; Kim, Joosung; Jung, EnJu; Le, Hoang Sinh; Nguyen, Ngoc Trung; Bae, Jin‐Young

doi:10.1016/j.displa.2013.03.003

Cited by 19 publications

(7 citation statements)

References 10 publications

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“…25 The fluorinated fillers, having primarily carbon to fluorine (C-F) bond, proved to be better choice owing to their electronic polarization of the C-F bond associated with the C-H, which will lower the dielectric constant. 26 The fluorine containing filler can be used to improve the chemical resistance, thermal stability, weather resistance, dielectric constant, surface friction, and hydrophobicity of polyimides. 27 FGO is a derivative of graphene having a planar morphology in which fluorine atoms and carbon atoms are connected by a covalent bond.…”

Section: Scaffaro Et Al Reported the Influence Of Oxidation Level Of Graphenementioning

confidence: 99%

Synthesis and characterization of fluorine functionalized graphene oxide dispersed quinoline‐based polyimide composites having low‐k and UV shielding properties

Subalakshmi

Arumugham

Roy

et al. 2021

Polymers for Advanced Techs

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Polyimide nanocomposites having low-k and UV shielding properties have been developed using fluorine functionalized graphene oxide and bis(quinoline amine) based polyimide. The polyimide was synthesized using bis(quinoline amine) and pyromellitic dianhydride at appropriate experimental conditions, and its molecular structure was confirmed through various spectral analysis such as FTIR and NMR.The polyimide (PI) composites were prepared using bis(quinoline amine), pyromellitic dianhydride, and separately filled with 1, 5, 10 wt% of fluorinated graphene oxide (FGO) through in situ polymerization. The polymer composites were characterized using thermo gravimetric analysis (TGA), X-ray powder diffraction (XRD), and scanning electron microscopy (SEM). In addition, the water contact angle, dielectric behavior, and UV-Vis shielding behavior of FGO/PI composites were evaluated. The value of the water contact angle of the polyimide was increased with increment of FGO in the polyimide matrix. The highest water contact angle of polyimide composites observed 108 was obtained for 15 wt% FGO reinforced polyimide composite.The value of the dielectric constant for neat, 1, 5, and 15 wt% FGO reinforced polyimide composites was obtained as 4.5, 3.7, 2.6, and 2.0, respectively. It is also observed from by UV-Vis spectroscopy analysis that the FGO reinforced polyimide composites have good UV shielding behavior.bis(quinoline amine), fluorine functionalized graphene oxide, hydrophobic behavior, low dielectric constant, polyimide matrix and composites, thermal stability, UV shielding behavior | INTRODUCTIONPolymeric composites used in high performance applications have exceptional optical, chemical, thermal, dielectric constant, UV shielding behavior, and physical properties. [1][2][3][4][5] Low conductivity materials are widely used in computers, telecommunications, automotive, printed circuit boards, and consumer electronics systems and are mainly equipped with integrated circuit device to reduce resistancecapacitance time delay, power dissipation, and cross talk. [6][7][8][9][10][11][12] The next generation of consumers can expect demand in miniature electronic products with low cost, high efficiency, and improved functionality. 13 Polyimides (PIs) has been used in various advanced industrial applications such as optoelectronics, aerospace engineering, adhesives, non-linear optical devices, interconnections, and packaging applications due to its high-performance properties, excellent mechanical properties, high thermal stability, low dielectric values (low k value), and good UV radiation-resistant properties. [14][15][16][17] Heterocyclic core contain polyimides and nanocomposites provide high-temperature resistant

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Section: Scaffaro Et Al Reported the Influence Of Oxidation Level Of Graphenementioning

confidence: 99%

Synthesis and characterization of fluorine functionalized graphene oxide dispersed quinoline‐based polyimide composites having low‐k and UV shielding properties

Subalakshmi

Arumugham

Roy

et al. 2021

Polymers for Advanced Techs

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“…3 Silica and carbon based materials such as POSS, SBA-15, GO, etc., have been used as a reinforcement for polymeric materials to attain the requirements. [4][5][6][7] However, recently many efforts have been made to reduce the value of dielectric constant using polymers such as polyimide, polybenzoxazine, etc., by the introduction of such a porous silica materials. [8][9][10] It was also noticed that the benzoxazine in combination with suitable organic or inorganic materials have shown remarkable low dielectric behaviour.…”

Section: Introductionmentioning

confidence: 99%

“…[12][13][14][15][16] Whereas, the GO/polyimide composites display a very low value of dielectric constant of about 2.0, due to the insulating behavior of GO. 6,7 Hence, the reduction of dielectric constant of polybenzoxazine and GO hybrid materials has received enormous research interest because of their unique structural properties. 12 Benzoxazine precursors have been synthesized by the condensation of phenols with primary amine and formaldehyde using Mannich mechanism and subsequently polymerized through ring opening and addition polymerization by thermal treatment in the absence of any catalyst with release of no byproduct.…”

Section: Introductionmentioning

confidence: 99%

“…7,17 GO has a range of reactive oxygen functional groups on its surface such as hydroxyl, epoxy and carbonyl groups, which renders the insulating behaviour, but the incremental reduction of oxygen can transform the materials (containing sp 3 hybridized carbon) into semiconducting materials (containing sp 2 hybridized carbon). 6,18,19 Thus, the GO and rGO are considered as low-k and high-k dielectrics respectively and these are used to incorporate into polymers to prepare interlayer dielectrics for electronic devices. Moreover, the natural graphite akes possess sp 2hybridized carbon atoms and are arranged in a honeycomb lattice in one layer and are stacked by the strong van der Waal's forces.…”

Section: Introductionmentioning

confidence: 99%

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Studies on dielectric properties of GO reinforced bisphenol-Z polybenzoxazine hybrids

2015

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“…The relative permittivity of a GO nanostructure and water is 3 and 80, respectively, indicating Re[K(x)] > 0 at DEP frequency less than 10 12 Hz. 34,35 This implies that GO nanostructures will be dragged to a region with higher electric field strength. A solution of GO (0.1 ll) was dripped into the Ti/Au electrode using a micropipette.…”

mentioning

confidence: 98%

Alignment of graphene oxide nanostructures between microgap electrodes via dielectrophoresis for hydrogen gas sensing applications

Singh

Wang

Rathi

et al. 2015

Applied Physics Letters

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High optical density and low dielectric constant black matrix containing graphene oxide and carbon black on color filters

Cited by 19 publications

References 10 publications

Synthesis and characterization of fluorine functionalized graphene oxide dispersed quinoline‐based polyimide composites having low‐k and UV shielding properties

Synthesis and characterization of fluorine functionalized graphene oxide dispersed quinoline‐based polyimide composites having low‐k and UV shielding properties

Studies on dielectric properties of GO reinforced bisphenol-Z polybenzoxazine hybrids

Alignment of graphene oxide nanostructures between microgap electrodes via dielectrophoresis for hydrogen gas sensing applications

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