Strategic energy-level modulation in porous heterojunctions: advancing gas sensing through Type-I to Type-II transitions
Yong-Jun Chen,
Yi-Ming Xu,
Xiao-Liang Ye,
Zhi-Peng Luo,
Shi-Peng Zhu,
Ke-Feng Li,
Jiang-Feng Lu,
Guan-E Wang and
Gang Xu ()
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Yong-Jun Chen: Chinese Academy of Sciences (CAS) Fuzhou
Yi-Ming Xu: Chinese Academy of Sciences (CAS) Fuzhou
Xiao-Liang Ye: Chinese Academy of Sciences (CAS) Fuzhou
Zhi-Peng Luo: Fuzhou
Shi-Peng Zhu: Fuzhou
Ke-Feng Li: Chinese Academy of Sciences (CAS) Fuzhou
Jiang-Feng Lu: Chinese Academy of Sciences (CAS) Fuzhou
Guan-E Wang: Chinese Academy of Sciences (CAS) Fuzhou
Gang Xu: Chinese Academy of Sciences (CAS) Fuzhou
Nature Communications, 2025, vol. 16, issue 1, 1-10
Abstract:
Abstract To significantly enhance reaction efficiency of porous heterojunctions in various applications, precise engineering of customization heterostructures through energy-level modulation is indispensable. Herein, the preparation of a core-shell porous heterojunction, UiO-66@TDCOF, is reported. Taking advantage of adjustable structure of metal-organic frameworks (MOFs), the energy-level of UiO-66 core is tailored to precisely align with that of porphyrin-based covalent organic framework (denoted as TDCOF) shell. As a results, the heterojunction transitions flexibly from a type-I to a type-II configuration, which remarkably enhances the efficiency of charge separation under light irradiation, resulting in exceptional performances in chemiresistive gas sensing. Notably, the sensitivity of (NH2)1.24-UiO-66@TDCOF towards NO2 is at a high level among all reported heterojunctions under visible-light condition, surpassing the majority of previously reported MOF and COF materials. This research not only presents a strategy for the design of heterojunctions but also gives an approach to material design tailored for chemical applications.
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-61836-5
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DOI: 10.1038/s41467-025-61836-5
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