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Research Article | Open Access

High-entropy perovskite oxides: An emergent type of photochromic oxides with fast response for handwriting display

Xiangyu WangTong Wei( )Yingqiu XuLiwei WuYingdong HanJiao Cui
College of Science, Civil Aviation University of China, Tianjin 300300, China
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Stimulus-responsive materials are fundamental to the broad and ever-growing field of intelligence research, which bridge intelligent systems with the Internet of Things (IoT) in future lifestyles. Among these materials, writable materials have received great interest; however, carbonization and irreversible writing processes are generally inevitable for extensively investigated organic compounds. Photochromism is a potential mode of composing information. Nevertheless, inorganic materials usually exhibit weak photochromic effects. Here, a novel strategy of designing high-entropy perovskite (HEP) oxides is put forward to develop a new inorganic photochromic system with satisfying performance. A series of HEP oxides are synthesized for the first time. Benefiting from excellent photochromic features, real-time information encoding was achieved. The mechanism-related photochromism is also discussed. Distinct from the previous works, it is believed that the present photochromic-based HEP oxides provide a new and manyfold research space for the future development of conventional writable materials and the disclosing of unprecedented properties and phenomena.

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Journal of Advanced Ceramics
Pages 1371-1388
Cite this article:
Wang X, Wei T, Xu Y, et al. High-entropy perovskite oxides: An emergent type of photochromic oxides with fast response for handwriting display. Journal of Advanced Ceramics, 2023, 12(7): 1371-1388.








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Received: 10 March 2023
Revised: 15 April 2023
Accepted: 27 April 2023
Published: 21 June 2023
© The Author(s) 2023.

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