Chinese Optics Letters, 2020, 18 (9): 091403, Published Online: Aug. 3, 2020  

Broadband photochromic effect and photoluminescence modulation in rare-earth-doped (Pb,La)(Zr,Ti)O3 ceramics Download: 696次

Author Affiliations
1 School of Physical Science and Technology, Southwest University, Chongqing 400715, China
2 School of Primary Education, Chongqing Normal University, Chongqing 400700, China
Abstract
The broadband photochromic effect on undoped and rare-earth-doped lead lanthanum zirconate titanate (PLZT) ceramics was studied under the illumination of ultraviolet light at 360 nm. The photocarriers’ trapping and detrapping processes of thermal disconnected traps played the vital role in both darkening and bleaching processes. The interaction between photocarrier traps and rare-earth ion energy levels was demonstrated, which influenced the photochromatic darkening performance greatly. The transformation of photoluminescence spectra in Er3+-doped PLZT ceramics also improved the physical picture of the trap’s distribution of the materials. This work could be used to modulate the photoluminescence and lasing behavior.

Long Xu, Ruiqi Zhu, Caixia Xu. Broadband photochromic effect and photoluminescence modulation in rare-earth-doped (Pb,La)(Zr,Ti)O3 ceramics[J]. Chinese Optics Letters, 2020, 18(9): 091403.

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