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  • Received: Mar. 15, 2020

    Accepted: May. 27, 2020

    Posted: Jul. 31, 2020

    Published Online: Aug. 3, 2020

    The Author Email: Caixia Xu (noendness@126.com)

    DOI: 10.3788/COL202018.091403

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    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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Chinese Optics Letters, Vol. 18, Issue 9, 091403 (2020)

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

Long Xu1, Ruiqi Zhu1, and Caixia Xu2,*

Author Affiliations

  • 1School of Physical Science and Technology, Southwest University, Chongqing 400715, China
  • 2School 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.

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