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Exfoliated Graphene into Highly Ordered Mesoporous Titania Films: Highly Performing Nanocomposites from Integrated Processing

 We have designed an integrated process to obtain mesoporous graphene nanocomposite films.
 Luca Malfatti et al. ACS Appl. Mater. Interfaces, 2014, 6 (2), pp 795–802 , DOI: 10.1021/am4027407
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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.

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Luca Malfatti et al. ACS Appl. Mater. Interfaces, 2014
Ultima modifica il Mercoledì, 31 Dicembre 2014 12:16