Fiber-Integrated Metal–Organic Framework Nanosheets for Light Emission and Microendoscopy

We report two-dimensional (2D) metal–organic framework nanosheets (MONs) integrated with optical fiber (OF) that enable tunable light emission and biocompatible microendoscopy. Luminescent 2D frameworks based on Eu3+, Tb3+, and Y3+ ions are employed to produce freestanding MONs via freeze–thaw exfoliation, followed by integration onto the OF through solution dripping. The resulting MONs exhibit large aspect ratios of up to 2300:1 and display red, green, and blue photoluminescence (PL), respectively. Their integration with OFs enables PL color mixing, yielding tunable emission ranging from yellow to quasi-white. The MON-integrated OFs are subsequently used for light emission and in vivo microendoscopy of Casper fish, paving the way for efficient and sustainable 2D materials in optical and biomedical technologies.

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Publication Details

Journal
ACS Applied Nano Materials
Published
2026-01-20
DOI
https://doi.org/10.1021/acsanm.5c04932
Primary Topic
Metal-Organic Frameworks: Synthesis and Applications
Type
article
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article

Fiber-Integrated Metal–Organic Framework Nanosheets for Light Emission and Microendoscopy

Аndrei S. Potapov, Valentin A. Milichko, V. P. Fedin, Pavel A. Demakov et al.
ACS Applied Nano Materials
Metal-Organic Frameworks: Synthesis and Applications
article

Fiber-Integrated Metal–Organic Framework Nanosheets for Light Emission and Microendoscopy

Аndrei S. Potapov, Valentin A. Milichko, V. P. Fedin, Pavel A. Demakov, Pavel V. Alekseevskiy, Anastasia Efimova, Xiaolin Yu, Nikita Burzak, Nikolaj A. Zhestkij, Sviatoslav Povarov, Vyacheslav A. Dyachuk
article en

Abstract

We report two-dimensional (2D) metal–organic framework nanosheets (MONs) integrated with optical fiber (OF) that enable tunable light emission and biocompatible microendoscopy. Luminescent 2D frameworks based on Eu3+, Tb3+, and Y3+ ions are employed to produce freestanding MONs via freeze–thaw exfoliation, followed by integration onto the OF through solution dripping. The resulting MONs exhibit large aspect ratios of up to 2300:1 and display red, green, and blue photoluminescence (PL), respectively. Their integration with OFs enables PL color mixing, yielding tunable emission ranging from yellow to quasi-white. The MON-integrated OFs are subsequently used for light emission and in vivo microendoscopy of Casper fish, paving the way for efficient and sustainable 2D materials in optical and biomedical technologies.

ACS Applied Nano MaterialsVol. 9(4)
ITMO University (RU), Dalian University of Technology (CN), Federal Almazov North-West Medical Research Centre (RU), Italian Institute of Technology (IT), Pavlov Institute of Physiology of the Russian Academy of Sciences (RU), Siberian Branch of the Russian Academy of Sciences (RU), Intelligent Energy (United Kingdom) (GB), Center for Nano Science and Technology (IT), A.V. Zhirmunsky National Scientific Center of Marine Biology Far Eastern Branch of the Russian Academy of Sciences (RU), Nikolaev Institute of Inorganic Chemistry (RU), Far Eastern Branch of the Russian Academy of Sciences (RU), New Uzbekistan University (UZ), National University of Uzbekistan (UZ), Politecnico di Milano (IT)
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Metal-Organic Frameworks: Synthesis and Applications
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