Reticular Synthesis of Ultrastable Dynamic Zinc-Pyrazolate Frameworks for Efficient CO2 Photoreduction
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Updated: Oct 31, 2026

Synthesis and Performance Evaluations of ZnCoS/ZnCdS with Twin Crystal Structure for Multifunctional Redox Photocatalysis in Energy Applications
Published on: July 25, 2025
Guojuan Zhi1,2,3, Mengyang Zhai1,2, Dayang Cheng4
1Stoddart Institute of Molecular Science, Department of Chemistry, Zhejiang Key Laboratory of Excited-State Energy Conversion and Energy Storage, State Key Laboratory of Silicon and Advanced Semiconductor Materials, Zhejiang University, Hangzhou 310058, P. R. China.
Abstract:
It remains a challenge to develop an ultrastable and single-crystalline photocatalyst with smart structural flexibility for the efficient capture and conversion of carbon dioxide. Herein, we report the reticular synthesis of a single-crystalline pyrazolate-based MOF (Pz-MOF)Zn-TPPexhibiting exceptional stability and stimuli-responsive structural dynamicsby the assembly of photosensitizing pyrene-based tetrapyrazolate linkers and zinc ions. Zn-TPP retains its crystallinity and porosity after high-temperature treatment over 400 °C or after immersion in basic aqueous conditions (5 M NaOH). The reversible dynamic behavior of Zn-TPP was unambiguously observed by single-crystal-to-single-crystal transition experiments. Thanks to the integration of photosensitizing pyrene units into this ultrastable and flexible porous platform, Zn-TPP displays efficient CO2 capture performance and is a reusable efficient photocatalyst for the reduction of CO2.
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