Nitrogen doped carbon aerogel composites with TiO2 and ZnO prepared by atomic layer deposition

László Péter Bakos; Joshua Mensah; Krisztina László; Bence Parditka; Zoltán Erdélyi; Edit Székely; István Lukács; Zoltán Kónya; Csaba Cserháti; Chen Zhou; Jin Won Seo; Gyula Halasi; Imre Miklós Szilágyi

doi:10.1039/C9TC05953A

Nitrogen doped carbon aerogel composites with TiO₂ and ZnO prepared by atomic layer deposition†

László Péter Bakos,

*^a Joshua Mensah,^a Krisztina László,

^b Bence Parditka,^c Zoltán Erdélyi,^c Edit Székely,

^d István Lukács,^e Zoltán Kónya,

^f Csaba Cserháti,

^c Chen Zhou,

^g Jin Won Seo,

^g Gyula Halasi

^f and Imre Miklós Szilágyi^a

Author affiliations

* Corresponding authors

^a Department of Inorganic and Analytical Chemistry, Budapest University of Technology and Economics, Szent Gellért tér 4., H-1111 Budapest, Hungary
E-mail: laszlobakos@hotmail.com

^b Department of Physical Chemistry and Materials Science, Budapest University of Technology and Economics, Budafoki út 8. F. I. Building, H-1521 Budapest, Hungary

^c Department of Solid State Physics, Faculty of Sciences and Technology, University of Debrecen, P.O. Box 400, Debrecen, Hungary

^d Department of Chemical and Environmental Process Engineering, Budapest University of Technology and Economics, Budafoki út 8. F. II. Building, H-1111 Budapest, Hungary

^e Hungarian Academy of Sciences, Research Centre for Energy, Institute of Technical Physics and Materials Science, Konkoly Thege M. út 29-33., H-1121 Budapest, Hungary

^f Department of Applied and Environmental Chemistry, University of Szeged, Rerrich Béla tér 1., H-6720 Szeged, Hungary

^g Department of Materials Engineering, KU Leuven, Kasteelpark Arenberg 44, B-3001 Leuven, Belgium

Abstract

A nitrogen doped carbon aerogel was used as a substrate for the atomic layer deposition of TiO₂ and ZnO layers in various thicknesses. The bare and composite products were analyzed using Raman spectroscopy, XRD, N₂ adsorption, SEM-EDX, TEM, XPS, and ICP-OES and their photocatalytic activity was investigated in decomposing methyl orange dye under UV light irradiation. We investigated the effect of the different metal oxides and their thickness dependence on the photocatalytic activity.

Journal of Materials Chemistry C

Nitrogen doped carbon aerogel composites with TiO₂ and ZnO prepared by atomic layer deposition†

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Nitrogen doped carbon aerogel composites with TiO₂ and ZnO prepared by atomic layer deposition

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Journal of Materials Chemistry C