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Journal of Materials Science: Materials in Electronics
Erschienen in: Journal of Materials Science: Materials in Electronics 20/2018

21.08.2018

Fabrication and enhancement in photoconductive response of \(\alpha\)-Fe2O3/graphene nanocomposites as anode material

verfasst von: Naveed Alam, Arif Ullah, Yaqoob Khan, Won Chun Oh, Kefayat Ullah

Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 20/2018

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Abstract

We report a facile fabrication for the synthesis of graphene based α-Fe2O3 nanocomposites as anode material for photoelectrochemical water splitting. The effect of introduction of graphene as a solid-state electron material has been investigated in detail by controlling the synthesis parameters. The XRD pattern of hematite α-Fe2O3 nanoparticles were indexed to rhombohedral structure of α-Fe2O3, while the TEM images illustrate the flaky structure of graphene supported by hematite nanoparticles. The rGO/\(\alpha\)-Fe2O3 nanocomposites showed enhanced photocurrent of ~ 4 mA cm−2 at (1.23 V vs. RHE) under standard illumination conditions (AM 1.5 G 100 mW cm−2). The enhanced photoelectrochemical performance may be attributed to synergistic effect of graphene and \(\alpha\)-Fe2O3 by improving the charge transport properties. The optical properties were also observed to be influenced by the coupling of rGO and α-Fe2O3 composites as witnessed in the DRS spectra.
Vorheriger Artikel Pyroelectric properties of calcium doped strontium barium niobate ceramics Sr0.65−xCaxBa0.35Nb2O6 (x = 0.05–0.425)
Nächster Artikel Effects of electron beam current on microstructure and luminescent properties of Y2O3:Eu3+ thin film grown on quartz fabric by electron beam evaporation

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Metadaten
Titel
Fabrication and enhancement in photoconductive response of -Fe2O3/graphene nanocomposites as anode material
verfasst von
Naveed Alam
Arif Ullah
Yaqoob Khan
Won Chun Oh
Kefayat Ullah
Publikationsdatum
21.08.2018
Verlag
Springer US
Erschienen in
Journal of Materials Science: Materials in Electronics / Ausgabe 20/2018
Print ISSN: 0957-4522
Elektronische ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-018-9886-2

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