The study on the fabrication of long lasting afterglow CaTiO3: Pr3+ by wet-dry method

Zhiping Yang; Chong Liu; Jianwei Feng; Xu Li

doi:10.1117/12.667826

14 February 2006 The study on the fabrication of long lasting afterglow CaTiO₃: Pr³⁺ by wet-dry method

Zhiping Yang, Chong Liu, Jianwei Feng, Xu Li

Proceedings Volume 6029, ICO20: Materials and Nanostructures; 60291Q (2006) https://doi.org/10.1117/12.667826
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China

Abstract

The red long afterglow phosphor CaTiO₃ activated with Pr³⁺ was formed by wet-dry method in this study. The luminescent properties of this sample had been studied systematically. The X-ray diffraction (XRD) patterns of the powder reveal that CaTiO₃:Pr phase was obtained by wet-dry process. The afterglow decay curves were measured and the afterglow time was over 40 minutes. The excitation spectra and emission spectra were measured. The emission peak was at 613nm, due to the transition of ¹D₂-³H₄. With the function of weak crystal field the main emission divided into 612nm and 614nm. In spite of the main emission peak, phosphor had a shoulder emission peak at 620-628nm. Changes of Pr³⁺ molar ratio had little effect on the emission spectra, but with Pr³⁺ 0.2%, phosphor had an emission peak at 626nm. The excitation peak was at 342nm, with a shoulder peak at 400nm. Compared with SS, this less time and less energy was used and the same result is obtained.

Citation Download Citation

Zhiping Yang, Chong Liu, Jianwei Feng, and Xu Li "The study on the fabrication of long lasting afterglow CaTiO₃: Pr³⁺ by wet-dry method", Proc. SPIE 6029, ICO20: Materials and Nanostructures, 60291Q (14 February 2006); https://doi.org/10.1117/12.667826

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available