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Article Dans Une Revue Journal of Physical Chemistry C Année : 2016

Tuning of Structural and Optical Properties of Graphene/ZnO Nanolaminates

Roman Viter
Arie van Der Lee
Damien Voiry
Saulius Tumenas
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Zigmas Balevicius
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Donats Erts
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Mikhael Bechelany


Zinc Oxide (ZnO) and graphene (G) have been extensively studied because of their unique physical properties. Here, Graphene-Zinc Oxide (G/ZnO) nanolaminates were fabricated, respectively, by chemical vapor deposition and low temperature atomic layer deposition technique. The number of obtained G/ZnO layers was tuned from 1 to 11 with a total thickness of 100 nm for all prepared nanolaminates. The structure, optical properties and interaction between G and ZnO were studied by X-ray methods, TEM, AFM, Raman and optical spectroscopy. The obtained results were interpreted and analysed taking into account strain and charge effects of graphene in G/ZnO nanostructures. We demonstrate that the bottom graphene used as a substrate stimulated the formation of ZnO crystalline structure. n-doping of graphene caused by charge transfer from ZnO to graphene has been detected by blue-shift of G-band of Raman spectra of the nanolaminates. ZnO photoluminescence intensity was found to be dependent on the number of graphene layers in G/ZnO nanolaminate. n-doping of graphene could be tailored by controlling the construction of the G/ZnO nanolaminates for variety of applications such as, for example, selective adsorption of the target molecules on graphene surface. Thus, G/ZnO nanolaminates may find applications in optical, bio-and chemical sensors.


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hal-01681269 , version 1 (12-07-2021)



Margarita Baitimirova, Roman Viter, Jana Andzane, Arie van Der Lee, Damien Voiry, et al.. Tuning of Structural and Optical Properties of Graphene/ZnO Nanolaminates. Journal of Physical Chemistry C, 2016, 120 (41), pp.23716 - 23725. ⟨10.1021/acs.jpcc.6b07221⟩. ⟨hal-01681269⟩
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