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Citation: PENG Chong, YANG Dongmei, LI Guogang, LIAN Hongzhou, LIN Jun. Electrospinning Fabrication and Upconversion Luminescent Properties of CaTiO₃: Er³⁺ Microbelts[J]. Chinese Journal of Applied Chemistry, ;2012, 29(12): 1438-1446. doi: 10.3724/SP.J.1095.2012.20429 shu

Electrospinning Fabrication and Upconversion Luminescent Properties of CaTiO₃: Er³⁺ Microbelts

PENG Chong ^a,b ,
YANG Dongmei ^a,b ,
LI Guogang ^a,b ,
LIAN Hongzhou ^a ,
LIN Jun ^a,,

1.
a State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China;
2.
b University of Chinese Academy of Sciences, Beijing 100049, China

Corresponding author: LIN Jun,
Received Date: 26 September 2012
Available Online: 10 October 2012

One-dimensional CaTiO₃:Er³⁺ microbelts have been prepared by electrospinning method.X-ray diffraction,Fourier transform infrared spectroscopy,Raman spectroscopy,scanning electron microscopy(SEM),transmission electron microscopy(TEM),high-resolution transmission electron microscopy(HRTEM),up-converted luminescence were used to characterize the resulting samples.SEM and TEM analysis indicate that the obtained precursor belts have a uniform size,and the as-formed microbelts consist of nanoparticles.Under 980 nm laser beam excitation,the CaTiO₃:Er³⁺ samples exhibit a green emission band with a maximum at 546 nm originating from the ⁴S_3/2→⁴I_15/2 transitions of Er³⁺ ions.When the Er³⁺ concentration increases,the red emission of CaTiO₃:Er³⁺ increases relative to the green emission,which is due to the energy transfer between Er³⁺ ions.
- upconversion,
- electrospinning,
- microbelts,
- erbium
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Electrospinning Fabrication and Upconversion Luminescent Properties of CaTiO₃: Er³⁺ Microbelts