Long wavelength emissions of periodic yard-glass shaped boron nitride nanotubes

Chen, Zhi-Gang; Zou, Jin; Liu, Gang; Li, Feng; Cheng, Hui-Ming; Sekiguchi, Takashi; Gu, Min; Yao, Xiang-Dong; Wang, Lian-Zhou; Lu, Gao Qing
January 2009
Applied Physics Letters;1/12/2009, Vol. 94 Issue 2, pN.PAG
Academic Journal
Extraordinary and stable long wavelength emission (centered at ∼685 nm) from the yard-glass shaped boron nitride nanotubes (YG-BNNTs) was observed in their cathodoluminescence and photoluminescence spectroscopy. The mechanism for this near-red light emission at ∼685 nm is attributed to the periodical nature of the BNNT units with regular lattice defects. The visible-light emission from YG-BNNTs indicates that this material has great potential for applications as nano-optical and/or nano-optoelectronic devices in nanoscale surgery and spectroscopy.


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