Lasing Mechanism of ZnO Nanowires/Nanobelts at Room Temperature | Zendy

Zou | Zendy; Ruibin Liu | Zendy; Feifei Wang | Zendy; Anlian Pan | Zendy; Li Cao | Zendy; Zhong Lin Wang | Zendy

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Lasing Mechanism of ZnO Nanowires/Nanobelts at Room Temperature

Author(s) -

Zou,

Ruibin Liu,

Feifei Wang,

Anlian Pan,

Li Cao,

Zhong Lin Wang

Publication year - 2006

Publication title -

the journal of physical chemistry b

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.864

H-Index - 392

eISSN - 1520-6106

pISSN - 1520-5207

DOI - 10.1021/jp061357d

Subject(s) - lasing threshold , nanowire , photoluminescence , exciton , materials science , doping , optoelectronics , luminescence , photonics , semiconductor , nanotechnology , condensed matter physics , wavelength , physics

ZnO has become the focus of photonics and optoelectronic research. We prepared pure Mn(II) doped ZnO nanowires with a controlled reduction reaction by carbon in an asymmetrical tube. Careful time-resolved photoluminescence experimental study indicates three types of lasing mechanisms: exciton-exciton interaction, bipolaronic exciton condensation, and plasma; these exist in different ZnO nanowires, which can be changed by doping Mn in ZnO nanowire. The transformation between varied mechanisms is discussed in detail with their spectral behaviors. These results are important in the design of future violet-blue luminescence and display devices.

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