Identification of the reconstruction and bonding structure of SiC nanocrystal surface by infrared spectroscopy
Identification of the reconstruction and bonding structure of SiC nanocrystal surface by infrared spectroscopy
复制标题
红外光谱识别SiC纳米晶表面重构及键合结构
DOI:
10.1016/j.apsusc.2011.06.116
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发表时间:
2011-10
影响因子:
6.7
通讯作者:
Lu, R. F.
中科院分区:
文献类型:
--
作者:
Fan, J. Y.;Li, H. X.;Zhang, N.;Lu, R. F.
We studied the surface structures of the cubic SiC nanocrystals by use of infrared spectroscopy. It was found that the Si–Si surface reconstruction occurs significantly in these nanocrystals. Besides, the oxygen bridge bond dominates their surface structure, which ensures the occurrence of ultra stable quantum-confinement photoluminescence. The larger crystallites exhibit much weaker infrared signals, but show longitudinal phonon mode that is absent in the small particles. The nanocrystals dispersed in lower-polarity solvent exhibit additional surface bonding structure other than that in water solvent.
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DOI:
10.1088/0953-8984/17/33/014
发表时间:
2005-08
期刊:
Journal of Physics: Condensed Matter
影响因子:
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作者:
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Carriere, Marie
影响因子:
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影响因子:
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