Enhanced upconversion fluorescence of Er3+:ZrO2 nanocrystals induced by phase transformation | Zendy

Lu Liu | Zendy; Y. J. Chen | Zendy; X. L. Zhang | Zendy; Y. X. Wang | Zendy; Xiu-e Zhang | Zendy; Yinglin Song | Zendy

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Enhanced upconversion fluorescence of Er3+:ZrO2 nanocrystals induced by phase transformation

Author(s) -

Lu Liu,

Y. J. Chen,

X. L. Zhang,

Y. X. Wang,

Xiu-e Zhang,

Yinglin Song

Publication year - 2012

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.3676601

Subject(s) - monoclinic crystal system , photon upconversion , nanocrystal , materials science , fluorescence , phase (matter) , excitation , infrared , analytical chemistry (journal) , photochemistry , nanotechnology , crystallography , optoelectronics , optics , chemistry , crystal structure , doping , organic chemistry , physics , quantum mechanics

In this letter, we demonstrate for the first time a growth of monoclinic phase ZrO2 nanocrytals based on a sol-gel method, compared to the ordinary sol-gel procedure, our method decreases the synthesized temperature from ∼1000 °C to ∼800 °C. In addition, it is found that Er3+ in monoclinic phase ZrO2 nanocrystals have greatly enhanced upconversion emissions under infrared LD excitation due to its lower environmental symmetry

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