Near-infrared luminescence of Nd^3+ and Tm^3+ ions doped ZnO nanocrystals | Zendy

Yongsheng Liu | Zendy; Wenqin Luo | Zendy; Renfu Li | Zendy; Haomiao Zhu | Zendy; Xueyuan Chen | Zendy

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Near-infrared luminescence of Nd^3+ and Tm^3+ ions doped ZnO nanocrystals

Author(s) -

Yongsheng Liu,

Wenqin Luo,

Renfu Li,

Haomiao Zhu,

Xueyuan Chen

Publication year - 2009

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.17.009748

Subject(s) - luminescence , materials science , ion , wurtzite crystal structure , nanocrystal , doping , infrared , spectroscopy , photoluminescence , crystal (programming language) , infrared spectroscopy , analytical chemistry (journal) , optics , optoelectronics , nanotechnology , zinc , chemistry , physics , organic chemistry , chromatography , quantum mechanics , metallurgy , computer science , programming language

Intense near-infrared luminescence of Nd(3+) and Tm(3+) ions in the region of 860-1550 nm were achieved in 10-15 nm wurtzite ZnO nanocrystals fabricated by a facile sol-gel process. The optical properties of Nd(3+) and Tm(3+) ions were investigated by using the steady-state and time-resolved laser spectroscopy. Due to the well-ordered crystal-field surroundings experienced by Nd(3+) and Tm(3+) ions, sharp and well resolved emission lines of Nd(3+) and Tm(3+) ions were identified at 4-300 K. Time-resolved luminescence and decay behaviors of the (4)F(3/2)-->(4)I(11/2) transition of Nd(3+) ions reveal the existence of multiple Nd(3+) sites in ZnO nanocrystals.

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