Articles with "graphene zno" as a keyword



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In situ preparation of graphene-ZnO composites for enhanced graphite exfoliation and graphene-nylon-6 composite films

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Published in 2017 at "Journal of Applied Polymer Science"

DOI: 10.1002/app.45034

Abstract: An effective method for the fabrication of graphene-ZnO nanoparticle (GZN) composites has been developed. GZN composites with high electrical conductivity (18,607 S/m) are prepared in situ from graphite-ZnO composites. The GZN composites also exhibit visible-light… read more here.

Keywords: zno composites; graphene nylon; graphene; zno ... See more keywords
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Graphene/ZnO nanocomposite with seamless interface renders photoluminescence quenching and photocatalytic activity enhancement

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Published in 2018 at "Journal of Materials Science"

DOI: 10.1007/s10853-018-2605-9

Abstract: The interface of graphene (G) and oxide can significantly influence the properties and/or applications of the binary system. However, it is usually beyond controllability during the conventional physical intermixing and/or solvothermal preparations. In this article,… read more here.

Keywords: graphene; photoluminescence quenching; graphene zno; interface ... See more keywords
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Analysis of electrical properties of graphene–ZnO/n-Si(111) Schottky contact

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Published in 2019 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-019-01320-1

Abstract: In this article, the graphene (G)–ZnO composite films was prepared on the surface of n-Si(111) substrate by sol–gel method for the formation of G–ZnO/n-Si(111) Schottky contact. The results show that the growth direction of ZnO… read more here.

Keywords: schottky contact; 111 schottky; zno 111; graphene zno ... See more keywords
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Self-powered ultraviolet photovoltaic photodetector based on graphene/ZnO heterostructure

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Published in 2020 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2020.147087

Abstract: Abstract Compared to ZnO-based photoconductive photodetectors (PDs), photovoltaic PDs possess the advantages of easy fabrication, low dark current, high response speed and possible self-driven ability. In this paper, an ultraviolet (UV) photovoltaic photodetector based on… read more here.

Keywords: zno heterostructure; zno; self powered; graphene zno ... See more keywords
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Chemical-hydrothermal synthesis of oval-shaped graphene/ZnO quantum hybrids and their photocatalytic performances

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Published in 2017 at "Catalysis Communications"

DOI: 10.1016/j.catcom.2017.08.004

Abstract: Abstract Oval-shaped graphene/ZnO quantum hybrid (GZQH) is synthesized via chemical-hydrothermal method and tested for the photoenhanced selective reduction of nitroarenes. A facile molecular fusion process is employed to produce graphene quantum dots (GQDs) from pyrene,… read more here.

Keywords: quantum; shaped graphene; oval shaped; zno ... See more keywords
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Improved field emission performances for graphene/ZnO nanowires/graphene sandwich composites

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Published in 2018 at "Materials Letters"

DOI: 10.1016/j.matlet.2017.10.014

Abstract: Abstract Graphene/zinc oxide nanowires/graphene (G/ZnO NWs/G) sandwich composites were firstly synthesized on nickel foam by electrostatic spray deposition technique and hydrothermal reaction in sequence. Microstructure and chemical analysis showed the dense and uniform ZnO NWs… read more here.

Keywords: zno nws; nanowires graphene; field; graphene zno ... See more keywords
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Enhanced sonocatalytic degradation of organic dyes from aqueous solutions by novel synthesis of mesoporous Fe3O4-graphene/ZnO@SiO2 nanocomposites.

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Published in 2018 at "Ultrasonics sonochemistry"

DOI: 10.1016/j.ultsonch.2017.09.034

Abstract: Fe3O4-graphene/ZnO@mesoporous-SiO2 (MGZ@SiO2) nanocomposites was synthesized via a simple one pot hydrothermal method. The as-obtained samples were investigated using various techniques, as follows: scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), and specific… read more here.

Keywords: microscopy; fe3o4 graphene; sio2; graphene zno ... See more keywords

Fabrication of Self-Powered Fast-Response Ultraviolet Photodetectors Based on Graphene/ZnO:Al Nanorod-Array-Film Structure with Stable Schottky Barrier.

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Published in 2017 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.6b14305

Abstract: A Schottky UV photodetector based on graphene/ZnO:Al nanorod-array-film (AZNF) structure has been fabricated. Different from the previously reported graphene/ZnO photodetectors, this photodetector has a stable Schottky barrier which does not disappear under UV light. Thus,… read more here.

Keywords: schottky barrier; self powered; based graphene; graphene zno ... See more keywords
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Transfer-free and printable graphene/ZnO-nanoparticle nanohybrid photodetectors with high performance

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Published in 2017 at "Journal of Materials Chemistry C"

DOI: 10.1039/c7tc01032j

Abstract: Combining the high mobility of graphene and surface electron depletion effect of zinc oxide nanoparticles (ZnO-NPs), graphene/ZnO-NP nanohybrids can be anticipated for significantly enhanced photoresponsivity and photoconductive gain in optoelectronics. Herein, a transfer-free and printable… read more here.

Keywords: graphene; transfer free; high performance; graphene zno ... See more keywords
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Synergistically assembled graphene/ZnO composite to enhance anticorrosion performance of waterborne epoxy coatings

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Published in 2022 at "RSC Advances"

DOI: 10.1039/d2ra00959e

Abstract: In this work, waterborne epoxy resin and graphene/ZnO (Gr/ZnO) were employed as the matrix and nanofiller to construct composite coatings with enhanced anticorrosive performance. The corrosion protection properties of the coatings were significantly improved by… read more here.

Keywords: waterborne epoxy; anticorrosion; graphene zno; zno ... See more keywords