Synthesis of self-assembled chain-like ZnO nanostructures on stiff and flexible substrates

Year: 2013

Authors: Galstyan V., Comini E., Baratto C., Ponzoni A., Bontempi E., Brisotto M., Faglia G., Sberveglieri G.

Autors Affiliation: Univ Brescia, Dept Chem & Phys, SENSOR Lab, I-25133 Brescia, Italy; CNR, IDASC, I-25133 Brescia, Italy; INSTM, I-25133 Brescia, Italy; Univ Brescia, Chem Technol Lab, I-25133 Brescia, Italy

Abstract: We have developed a new chemical route for ZnO nanostructures preparation that combines anodization and thermal annealing in a very convenient technique to obtain crystalline nanostructures on stiff and flexible (Kapton HN (R)) substrates. The preparation parameters like the type and the concentration of electrolyte, the anodization voltage and the current were tailored to obtain the nanosized ZnO structure. The relation between size and morphology of the nanostructures and the preparation parameters were investigated by means of scanning electron microscopy (SEM), atomic force microscopy (AFM), Glancing Incidence X-Ray Diffraction (GIXRD) and photoluminescence (PL). The structures are composed of nanoparticles forming elongated aggregates with chain-like morphology. The diameter of the particles is ranging from 10 to 75 nm and the length of then chains is more than 1 mu m. ZnO crystalline phase was confirmed by structural analysis with GIXRD for samples annealed at 350 and 400 degrees C.

Journal/Review: CRYSTENGCOMM

Volume: 15 (15)      Pages from: 2881  to: 2887

More Information: The research leading to these results has received funding from the European Communities 7th Framework Programme under grant agreement NMP3-LA-2010-246334, ORAMA and by the grant agreement no. 247768 S3 project, by the CARIPLO Foundation under Project ref. 2008.2393, by the Italian MIUR through the FIRB Project RBAP115AYN \”Oxides at the nanoscale: multifunctionality and applications\” and by the Region Lombardia (Italy) Xnano Project.
DOI: 10.1039/c3ce27011d

Citations: 21
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