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Vol. 4 No. 4 (2012)

Assembling SnO Nanosheets into Microhydrangeas: Gas Phase Synthesis and Their Optical Property

https://doi.org/10.1007/BF03353717
Zhenglin Zhang
Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education and College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin, 150025, P. R. China
Jing Wang
Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education and College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin, 150025, P. R. China
Zhou Yu
Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education and College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin, 150025, P. R. China
Fengyu Qu
Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education and College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin, 150025, P. R. China
Xiang Wu
Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education and College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin, 150025, P. R. China

Corresponding Author: Xiang Wu

wuxiang05@gmail.com

Nano-Micro Letters, Vol. 4 No. 4 (2012), Article Number: 215-219

Abstract

Large scale SnO microhydrangeas are obtained successfully through thermally evaporating of SnO2 powder wrapped by a filter paper at 1050°C and using gold coated Si wafer as the substrate. The as-obtained SnO microhydrangeas are consisted of many thin nanosheets with the thicknesses of 30–60 nm and the diameters of 500–600 nm. A vapor-liquid-solid (VLS) growth mechanism for the as-synthesized SnO microhydrangeas was proposed based on experimental results. Photoluminescence spectrum (PL) shows that there is a strong sharp ultraviolet emission peak at 390 nm, revealing that these three-dimensional SnO microhydrangeas may have potential applications in optoelectronic fields.

Keywords

SnO microhydrangeas Photoluminescence VLS
Zhang, Zhenglin, Jing Wang, Zhou Yu, Fengyu Qu, and Xiang Wu. 2012. “Assembling SnO Nanosheets into Microhydrangeas: Gas Phase Synthesis and Their Optical Property”. Nano-Micro Letters 4 (4):215-19. https://doi.org/10.1007/BF03353717.
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