Conţinutul numărului revistei |
Articolul precedent |
Articolul urmator |
787 0 |
SM ISO690:2012 URSAKI, Veacheslav, RUSU, Emil, SARUA, Andrei, KUBALL, Martin, STRATAN, Gheorghe, BURLACU, Alexandru, TIGINYANU, Ion. Optical characterization of hierarchical ZnO structures grown with a simplified vapour transport method. In: Nanotechnology, 2007, vol. 18, pp. 1388-1393. ISSN 0957-4484. DOI: https://doi.org/10.1088/0957-4484/18/21/215705 |
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Nanotechnology | |||||
Volumul 18 / 2007 / ISSN 0957-4484 | |||||
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DOI: https://doi.org/10.1088/0957-4484/18/21/215705 | |||||
Pag. 1388-1393 | |||||
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Rezumat | |||||
A new ZnO micro/nanostructure morphology in the form of micro-torches was grown in the family of ZnO hierarchical structures by a simplified thermal chemical vapour transport and condensation method using a vertical furnace. It is formed by two basic parts: a three-dimensional (3D) crystal base and one-dimensional (1D) nanorods nucleated from this base. Mechanisms of this micro/nanostructure growth are suggested to be governed by the change of the ZnO vapour supersaturation level during the crystal growth. Micro-Raman analysis demonstrates good crystal lattice quality, independent of the micro/nanostructure morphology. Differences in the luminescence characteristics inherent to the different parts of the micro/nanostructure are expected to be useful for the development of micro/nano-optoelectronic devices. |
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Cuvinte-cheie Condensation, Crystal growth, Crystal lattices, Luminescence, morphology, Nucleation, Optoelectronic devices, zinc oxide |
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