Host-guest strategy for full-visible-spectrum piezochromism in halogen-bonded organic frameworks.

Binhao Yang, Yixuan Wang, Jiaju Liang, Kaiyan Yuan, Ruidong Qiao, Tao Zhang, Xinyi Yang, Bo Zou

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Article in Nature communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

8 authors.

Binhao YangState Key Laboratory of High Pressure and Superhard Materials, Synergetic Extreme Condition High-Pressure Science Center, College of Physics, Jilin University, Changchun, China.

Yixuan WangState Key Laboratory of High Pressure and Superhard Materials, Synergetic Extreme Condition High-Pressure Science Center, College of Physics, Jilin University, Changchun, China. wangyixuan19@jlu.edu.cn.

Jiaju LiangState Key Laboratory of High Pressure and Superhard Materials, Synergetic Extreme Condition High-Pressure Science Center, College of Physics, Jilin University, Changchun, China.

Kaiyan YuanState Key Laboratory of High Pressure and Superhard Materials, Synergetic Extreme Condition High-Pressure Science Center, College of Physics, Jilin University, Changchun, China.

Ruidong QiaoState Key Laboratory of High Pressure and Superhard Materials, Synergetic Extreme Condition High-Pressure Science Center, College of Physics, Jilin University, Changchun, China.

Tao ZhangDepartment of Gastrointestinal Colorectal and Anal Surgery, China-Japan Union Hospital of Jilin University, Changchun, China. taozhang@jlu.edu.cn.

Xinyi YangState Key Laboratory of High Pressure and Superhard Materials, Synergetic Extreme Condition High-Pressure Science Center, College of Physics, Jilin University, Changchun, China. yangxinyi@jlu.edu.cn.ORCID http://orcid.org/0000-0002-5128-5128

Bo ZouState Key Laboratory of High Pressure and Superhard Materials, Synergetic Extreme Condition High-Pressure Science Center, College of Physics, Jilin University, Changchun, China. zoubo@jlu.edu.cn.ORCID http://orcid.org/0000-0002-3215-1255

Funding

National Natural Science Foundation of China (National Science Foundation of China) 12274177National Natural Science Foundation of China (National Science Foundation of China) T2521005

6 · The paper itself

Abstract

Full-visible-spectrum piezochromism is vital for advanced anti-counterfeiting and storage device applications, yet remains challenging. Polycyclic aromatic hydrocarbons represent a promising class of piezochromic materials. However, pressure-induced structural disorder severely limits their performance by causing photoluminescence (PL) quenching through energy dissipation. In framework materials, host-guest modes offer a promising avenue to overcome the limitations. Herein, we demonstrate that the halogen-bonded organic framework host incorporating acridine guests (denoted as XOF@AD) enables full-visible-spectrum piezochromism modulation with the PL red-shift of 237 nm during compression. Both experiments and calculations reveal that strengthened π-hole···π interactions lower its interaction energy to preserve the structural rigidity of XOF host. This suppresses the structural disorder of AD guests and maintains their enhanced π-π stacking interactions, which leads to a decreased band gap. This work establishes host-guest 3D-XOF as a superior platform that achieves full-visible-spectrum piezochromism and presents promising potential for pressure-responsive sensing.

Identifiers

PMID41530182

DOI10.1038/s41467-026-68381-9

PMCPMC12909867

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LicenceCC BY-NC-ND

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.