Physical mechanism of blue-shift of UV luminescence of a single pencil-like ZnO nanowire.
作者： Y. H. Yang , X. Y. Chen , Y. Feng , G. W. Yang
DOI: 10.1021/NL071849H
关键词: Luminescence 、 Nanowire 、 Zinc 、 Materials science 、 Spectroscopy 、 Optics 、 Blueshift 、 Optoelectronics 、 Burstein–Moss effect 、 Ultraviolet 、 Cathodoluminescence
摘要: Cathodoluminescence spectroscopy is used to address the ultraviolet (UV) luminescence of a single pencil-like ZnO nanowire whose diameter gradually reduces from bottom top in range 700-50 nm. It found that UV emission energy evidently shifts high with nanowire's decreasing and blue-shift 90 meV observed when 50 700 The physical mechanism attributed Burstein-Moss effect under carrier concentration.
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