Retention of high-pressure solution-processable metastable phase to ambience via differential sublattice rigidity for broadband photodetectors

Zhongyang Li, Jue Gong, Zhikai Zhu, Donghao Liu, Qingyang Hu, Yiming Wang, Xuqiang Liu, Shuo Zhou, Hui Luo, Dong Wang, Xingyi Liu, Zengxi Yang, Min Tang, Qingyu Kong, N-Diaye Adama, Kai Zhang, Shuai Yan, Lili Zhang, Xiaohui Zeng, Zhenhai Yu, Wei Xia, Jian Yuan, Mingtao Li, Nana Li, Hongliang Dong, Ziyou Zhang, Haiyun Shu, Yang Ding, Dongbo Wang, Yanfeng Guo, Tao Xu, Lingping Kong (), Wenge Yang, Ho-kwang Mao and Gang Liu ()
Additional contact information
Zhongyang Li: Center for High Pressure Science and Technology Advanced Research (HPSTAR)
Jue Gong: Sichuan University
Zhikai Zhu: Center for High Pressure Science and Technology Advanced Research (HPSTAR)
Donghao Liu: Harbin Institute of Technology
Qingyang Hu: Center for High Pressure Science and Technology Advanced Research (HPSTAR)
Yiming Wang: Center for High Pressure Science and Technology Advanced Research (HPSTAR)
Xuqiang Liu: Center for High Pressure Science and Technology Advanced Research (HPSTAR)
Shuo Zhou: Center for High Pressure Science and Technology Advanced Research (HPSTAR)
Hui Luo: Center for High Pressure Science and Technology Advanced Research (HPSTAR)
Dong Wang: Center for High Pressure Science and Technology Advanced Research (HPSTAR)
Xingyi Liu: Sichuan University
Zengxi Yang: Sichuan University
Min Tang: Sichuan University
Qingyu Kong: L’Orme des Merisiers Saint-Aubin
N-Diaye Adama: L’Orme des Merisiers Saint-Aubin
Kai Zhang: Center for High Pressure Science and Technology Advanced Research (HPSTAR)
Shuai Yan: Chinese Academy of Sciences
Lili Zhang: Chinese Academy of Sciences
Xiaohui Zeng: ShanghaiTech University
Zhenhai Yu: ShanghaiTech University
Wei Xia: ShanghaiTech University
Jian Yuan: ShanghaiTech University
Mingtao Li: Center for High Pressure Science and Technology Advanced Research (HPSTAR)
Nana Li: Center for High Pressure Science and Technology Advanced Research (HPSTAR)
Hongliang Dong: Center for High Pressure Science and Technology Advanced Research (HPSTAR)
Ziyou Zhang: Center for High Pressure Science and Technology Advanced Research (HPSTAR)
Haiyun Shu: Center for High Pressure Science and Technology Advanced Research (HPSTAR)
Yang Ding: Center for High Pressure Science and Technology Advanced Research (HPSTAR)
Dongbo Wang: Harbin Institute of Technology
Yanfeng Guo: ShanghaiTech University
Tao Xu: Northern Illinois University
Lingping Kong: Center for High Pressure Science and Technology Advanced Research (HPSTAR)
Wenge Yang: Center for High Pressure Science and Technology Advanced Research (HPSTAR)
Ho-kwang Mao: Center for High Pressure Science and Technology Advanced Research (HPSTAR)
Gang Liu: Center for High Pressure Science and Technology Advanced Research (HPSTAR)

Nature Communications, 2025, vol. 16, issue 1, 1-12

Abstract: Abstract Materials science exploits only properties that are available at ambience. Therefore, although high-pressure changes the physical state of all condensed matter, most of the extraordinary properties discovered vanish after decompression and cannot be utilized. Here, we demonstrate sublattice decoupling in a mixed-anion chalcohalide Rb6Re6S8I8 upon compression, in which the [Rb6I2]4+ framework is soft and plastic, while the [Re6S8I6]4- clusters are hard and elastic. This discrepancy in the rigidity allows the applied pressure to selectively amorphize the framework while maintaining the ordered state in the cluster, leading to intriguing photocurrent generation and enhancement upon compression. These high-pressure properties are retained at ambience, permitting scalable synthesis of the decompressed samples using a large-volume press, followed by further fabrication into self-powered broadband photodetectors with a response time of ~ 102 μs and a specific detectivity of ~ 1011 Jones. This study subverts the stereotype that pressure engineering is hardly to be employed for device applications.

Date: 2025
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DOI: 10.1038/s41467-025-57523-0

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