The photo-thermochromic properties and mechanism of PZNNT ferroelectric ceramics

Xiaoying Feng; Shuyao Cao; Yiting Guo; Duo Teng; Yuhang Yang; Linqing Liao; Yiwei Liu; Jie Xu; Feng Gao

doi:10.1016/j.matlet.2022.132354

The photo-thermochromic properties and mechanism of PZNNT ferroelectric ceramics

Xiaoying Feng, Shuyao Cao, Yiting Guo, Duo Teng, Yuhang Yang, Linqing Liao, Yiwei Liu, Jie Xu, Feng Gao

材料学院

科研成果: 期刊稿件 › 文章 › 同行评审

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The photo-thermochromic effect of perovskite-structured 0.83Pb(Zr_1/2Ti_1/2)O₃-0.11Pb(Zn_1/3Nb_2/3)O₃-0.06Pb(Ni_1/3Nb_2/3)O₃ (PZNNT) ferroelectric ceramics was discovered. Its phase, microstructure, chemical states, and optical properties were investigated. The results show that the visible-range reflectivity of the PZNNT ceramics was reduced after near-UV light irradiation, and the optical state can be nondestructively recovered after thermal treatment at 200 °C for 10 min. The kinetic process of the photochromic reaction follows an exponential curve, but the thermodynamic process of the thermochromic reaction is linear. The photo-thermochromic effects exhibited good cyclic stability. The oxygen vacancy V_O^·· and the small polarons Ti³⁺ might be the potential photochromic centers of PZNNT ceramics. A multi-photo-thermochromic mechanism coexisted in PZNNT ceramics. This work opens up a paradigm for the development of multifunctional ferroelectric ceramics.

源语言	英语
文章编号	132354
期刊	Materials Letters
卷	320
DOI	https://doi.org/10.1016/j.matlet.2022.132354
出版状态	已出版 - 1 8月 2022

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title = "The photo-thermochromic properties and mechanism of PZNNT ferroelectric ceramics",

abstract = "The photo-thermochromic effect of perovskite-structured 0.83Pb(Zr1/2Ti1/2)O3-0.11Pb(Zn1/3Nb2/3)O3-0.06Pb(Ni1/3Nb2/3)O3 (PZNNT) ferroelectric ceramics was discovered. Its phase, microstructure, chemical states, and optical properties were investigated. The results show that the visible-range reflectivity of the PZNNT ceramics was reduced after near-UV light irradiation, and the optical state can be nondestructively recovered after thermal treatment at 200 °C for 10 min. The kinetic process of the photochromic reaction follows an exponential curve, but the thermodynamic process of the thermochromic reaction is linear. The photo-thermochromic effects exhibited good cyclic stability. The oxygen vacancy VO·· and the small polarons Ti3+ might be the potential photochromic centers of PZNNT ceramics. A multi-photo-thermochromic mechanism coexisted in PZNNT ceramics. This work opens up a paradigm for the development of multifunctional ferroelectric ceramics.",

keywords = "Ceramics, Ferroelectrics, Oxygen vacancy, Photochromic effect, Small polaron",

author = "Xiaoying Feng and Shuyao Cao and Yiting Guo and Duo Teng and Yuhang Yang and Linqing Liao and Yiwei Liu and Jie Xu and Feng Gao",

note = "Publisher Copyright: {\textcopyright} 2022 Elsevier B.V.",

year = "2022",

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day = "1",

doi = "10.1016/j.matlet.2022.132354",

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T1 - The photo-thermochromic properties and mechanism of PZNNT ferroelectric ceramics

AU - Feng, Xiaoying

AU - Cao, Shuyao

AU - Guo, Yiting

AU - Teng, Duo

AU - Yang, Yuhang

AU - Liao, Linqing

AU - Liu, Yiwei

AU - Xu, Jie

AU - Gao, Feng

PY - 2022/8/1

Y1 - 2022/8/1

N2 - The photo-thermochromic effect of perovskite-structured 0.83Pb(Zr1/2Ti1/2)O3-0.11Pb(Zn1/3Nb2/3)O3-0.06Pb(Ni1/3Nb2/3)O3 (PZNNT) ferroelectric ceramics was discovered. Its phase, microstructure, chemical states, and optical properties were investigated. The results show that the visible-range reflectivity of the PZNNT ceramics was reduced after near-UV light irradiation, and the optical state can be nondestructively recovered after thermal treatment at 200 °C for 10 min. The kinetic process of the photochromic reaction follows an exponential curve, but the thermodynamic process of the thermochromic reaction is linear. The photo-thermochromic effects exhibited good cyclic stability. The oxygen vacancy VO·· and the small polarons Ti3+ might be the potential photochromic centers of PZNNT ceramics. A multi-photo-thermochromic mechanism coexisted in PZNNT ceramics. This work opens up a paradigm for the development of multifunctional ferroelectric ceramics.

AB - The photo-thermochromic effect of perovskite-structured 0.83Pb(Zr1/2Ti1/2)O3-0.11Pb(Zn1/3Nb2/3)O3-0.06Pb(Ni1/3Nb2/3)O3 (PZNNT) ferroelectric ceramics was discovered. Its phase, microstructure, chemical states, and optical properties were investigated. The results show that the visible-range reflectivity of the PZNNT ceramics was reduced after near-UV light irradiation, and the optical state can be nondestructively recovered after thermal treatment at 200 °C for 10 min. The kinetic process of the photochromic reaction follows an exponential curve, but the thermodynamic process of the thermochromic reaction is linear. The photo-thermochromic effects exhibited good cyclic stability. The oxygen vacancy VO·· and the small polarons Ti3+ might be the potential photochromic centers of PZNNT ceramics. A multi-photo-thermochromic mechanism coexisted in PZNNT ceramics. This work opens up a paradigm for the development of multifunctional ferroelectric ceramics.

KW - Ceramics

KW - Ferroelectrics

KW - Oxygen vacancy

KW - Photochromic effect

KW - Small polaron

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The photo-thermochromic properties and mechanism of PZNNT ferroelectric ceramics

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