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  4. Strong light scattering and broadband (UV to IR) photoabsorption in stretchable 3D hybrid architectures based on Aerographite decorated by ZnO nanocrystallites
 
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Strong light scattering and broadband (UV to IR) photoabsorption in stretchable 3D hybrid architectures based on Aerographite decorated by ZnO nanocrystallites

Citation Link: https://doi.org/10.15480/882.1686
Publikationstyp
Journal Article
Date Issued
2016-09-12
Sprache
English
Author(s)
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  
Institut
Keramische Hochleistungswerkstoffe M-9  
Kontinuums- und Werkstoffmechanik M-15  
TORE-DOI
10.15480/882.1686
TORE-URI
http://tubdok.tub.tuhh.de/handle/11420/1689
Journal
Scientific reports  
Volume
6
Start Page
Art.-Nr. 32913
Citation
Scientific Reports (6): 32913- (2016)
Publisher DOI
10.1038/srep32913
Scopus ID
2-s2.0-84987678728
Publisher
Nature Publishing Group UK
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.
DDC Class
620: Ingenieurwissenschaften
Lizenz
https://creativecommons.org/licenses/by/4.0/
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