Tiginyanu, I., Ghimpu, L., Grottrup, J., Postolache, V., Mecklenburg, M., Stevens-Kalceff, M. A., Ursaki, V., Payami, N., Feidenhansl, R., Schulte, K., Adelung, Rainer and Mishra, Y. K. (2016) Strong light scattering and broadband (UV to IR) photoabsorption in stretchable 3D hybrid architectures based on Aerographite decorated by ZnO nanocrystallites. Scientific Reports, 6 . DOI 10.1038/srep32913.

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Abstract

In present work, the nano- and microscale tetrapods from zinc oxide were integrated on the surface of Aerographite material (as backbone) in carbon-metal oxide hybrid hierarchical network via a simple and single step magnetron sputtering process. The fabricated hybrid networks are characterized for morphology, microstructural and optical properties. The cathodoluminescence investigations revealed interesting luminescence features related to carbon impurities and inherent host defects in zinc oxide. Because of the wide bandgap of zinc oxide and its intrinsic defects, the hybrid network absorbs light in the UV and visible regions, however, this broadband photoabsorption behavior extends to the infrared (IR) region due to the dependence of the optical properties of ZnO architectures upon size and shape of constituent nanostructures and their doping by carbon impurities. Such a phenomenon of broadband photoabsorption ranging from UV to IR for zinc oxide based hybrid materials is novel. Additionally, the fabricated network exhibits strong visible light scattering behavior. The developed Aerographite/ nanocrystalline ZnO hybrid network materials, equipped with broadband photoabsorption and strong light scattering, are very promising candidates for optoelectronic technologies.

Document Type:	Article
Additional Information:	Times Cited: 2 Tiginyanu, Ion Ghimpu, Lidia Grottrup, Jorit Postolache, Vitalie Mecklenburg, Matthias Stevens-Kalceff, Marion A. Ursaki, Veaceslav Payami, Nader Feidenhansl, Robert Schulte, Karl Adelung, Rainer Mishra, Yogendra Kumar
Research affiliation:	Kiel University > Kiel Marine Science OceanRep > The Future Ocean - Cluster of Excellence
Refereed:	Yes
Open Access Journal?:	No
Publisher:	Nature Research
Projects:	Future Ocean
Date Deposited:	18 Mar 2017 08:38
Last Modified:	23 May 2019 12:06
URI:	https://oceanrep.geomar.de/id/eprint/36347

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