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Publisher DOI: 10.1038/srep32913
Title: Strong light scattering and broadband (UV to IR) photoabsorption in stretchable 3D hybrid architectures based on Aerographite decorated by ZnO nanocrystallites
Language: English
Authors: Tiginyanu, Ion 
Ghimpu, Lidia 
Gröttrup, Jorit 
Postolache, Vitalie 
Mecklenburg, Matthias 
Stevens-Kalceff, Marion A. 
Ursaki, Veaceslav 
Payami, Nader 
Feidenhans'l, Robert 
Schulte, Karl 
Adelung, Rainer 
Mishra, Yogendra Kumar 
Issue Date: 12-Sep-2016
Publisher: Nature Publishing Group UK
Source: Scientific Reports (6): 32913- (2016)
Journal or Series Name: Scientific reports 
Abstract (english): 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.
DOI: 10.15480/882.1686
ISSN: 2045-2322
Institute: Keramische Hochleistungswerkstoffe M-9 
Kontinuums- und Werkstoffmechanik M-15 
Type: (wissenschaftlicher) Artikel
License: CC BY 4.0 (Attribution) CC BY 4.0 (Attribution)
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