Nanostructured hybrid materials based on reduced graphene oxide for solar energy conversion

Andreia Morais; Saulo do Amaral Carminati; Ana Flavia Nogueira

doi:10.1117/12.2240029

26 September 2016 Nanostructured hybrid materials based on reduced graphene oxide for solar energy conversion

Andreia Morais, Saulo do Amaral Carminati, Ana Flavia Nogueira

Proceedings Volume 9923, Physical Chemistry of Interfaces and Nanomaterials XV; 992314 (2016) https://doi.org/10.1117/12.2240029
Event: SPIE Nanoscience + Engineering, 2016, San Diego, California, United States

Abstract

Research on carbon-based photocatalytic nanomaterials has been a field in continuous expansion in the last years. Graphene (or its derivatives) is currently one of the most studied materials due to its high surface area, photodegradation resistance, optical transparency and high charge mobility values. All of these excellent properties are highlighted for applications in various research areas. The incorporation of small amounts of reduced graphene oxide (RGO) sheets in semiconductors matrices is also a strategy widely used to improve the physicochemical properties, which cannot normally be achieved using conventional composites or pristine semiconductors. Most studies suggest that these twodimensional (2D) materials can facilitate electron injection and assist the electron transport in semiconductors. In this context, this manuscript will present examples of graphene-based semiconductor nanocomposites obtained by our research group and their application in the photodegradation of methylene blue (MB), photocatalytic conversion of CO₂ to hydrocarbon fuels and photocatalytic water splitting reaction. Our results show the positive effect of coupling the RGO sheets with semiconductors for photocatalysis.

Citation Download Citation

Andreia Morais, Saulo do Amaral Carminati, and Ana Flavia Nogueira "Nanostructured hybrid materials based on reduced graphene oxide for solar energy conversion", Proc. SPIE 9923, Physical Chemistry of Interfaces and Nanomaterials XV, 992314 (26 September 2016); https://doi.org/10.1117/12.2240029

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