期刊
SUPERLATTICES AND MICROSTRUCTURES
卷 50, 期 5, 页码 511-516出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.spmi.2011.08.013
关键词
Oxides; Crystal growth; Growth mechanism; Luminescence
Tin oxide (SnO2) nanoparticles were fabricated by evaporation of Sn powers at 1000 degrees C in air pressure. The as-deposited SnO2 particles were single crystal structure, which were mostly spherical shape, the diameter of particles was ranging from 200 to 600 nm. The photoluminescence (PL) spectrum showed that a sharp emission peak at around 393 nm with the excitation wavelength at 325 nm, which suggested possible applications in nanoscaled optoelectronic devices. It was also found that the holding time affects the morphology of the products. The formation mechanism of SnO2 particles was discussed. (C) 2011 Elsevier Ltd. All rights reserved.
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