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Type: Journal article
Title: Exfoliated graphene into highly ordered mesoporous titania films: highly performing nanocomposites from integrated processing
Author: Malfatti, L.
Falcaro, P.
Pinna, A.
Lasio, B.
Casula, M.
Loche, D.
Falqui, A.
Marmiroli, B.
Amenitsch, H.
Sanna, R.
Mariani, A.
Innocenzi, P.
Citation: ACS Applied Materials and Interfaces, 2014; 6(2):795-802
Publisher: American Chemical Society
Issue Date: 2014
ISSN: 1944-8244
Statement of
Luca Malfatti, Paolo Falcaro, Alessandra Pinna, Barbara Lasio, Maria F. Casula, Danilo Loche, Andrea Falqui, Benedetta Marmiroli, Heinz Amenitsch, Roberta Sanna, Alberto Mariani, and Plinio Innocenzi
Abstract: To fully exploit the potential of self-assembly in a single step, we have designed an integrated process to obtain mesoporous graphene nanocomposite films. The synthesis allows incorporating graphene sheets with a small number of defects into highly ordered and transparent mesoporous titania films. The careful design of the porous matrix at the mesoscale ensures the highest diffusivity in the films. These exhibit an enhanced photocatalytic efficiency, while the high order of the mesoporosity is not affected by the insertion of the graphene sheets and is well-preserved after a controlled thermal treatment. In addition, we have proven that the nanocomposite films can be easily processed by deep X-ray lithography to produce functional arrays.
Keywords: Mesoporous materials; patterning; titania; exfoliated graphene; thin films
Rights: © 2013 American Chemical Society
DOI: 10.1021/am4027407
Grant ID:
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Chemistry and Physics publications

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