Solvent‐Vapor‐Induced Reversible Single‐Crystal‐to‐Single‐Crystal Transformation of a Triphosphaazatriangulene‐Based Metal–Organic Framework

Nakatsuka, Soichiro; Watanabe, Yusuke; Kamakura, Yoshinobu; Horike, Satoshi; Tanaka, Daisuke; Hatakeyama, Takuji

doi:10.1002/ange.201912195

Cited by 5 publications

(1 citation statement)

References 68 publications

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“…The single crystal to single crystal (SCSC) transformation might occur when the crystal is subjected to different external influences such as heat, [23] solvent and pH in different external environments [24] and gives it new properties. However, studies on the effect of SCSC transformation on proton conductivity are rarely reported [25] . Chen [14] et al .…”

Section: Introductionmentioning

confidence: 99%

Water‐Induced Single‐Crystal to Single‐Crystal Transformation of Ionic Hydrogen‐Bonded Organic Frameworks with Enhanced Proton Conductivity

Chen

Cao

Yang

et al. 2023

Chemistry A European J

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Two ionic hydrogen-bonded organic frameworks (iHOF-10, iHOF-11) were prepared using 1,1'-diamino-4,4'bipyridine diiodide (Dbpy • 2I) and tetrakis(4sulfophenyl)ethylene (H 4 TPE). With increasing RH and temperature, water molecules induce single crystal to single crystal (SCSC) transformation of iHOF-10, resulting in the formation of iHOF-11. At 90 °C, 98 % RH, the proton conductivity of iHOF-11 (7.03 × 10 À 3 S cm À 1 ) is 2.09 times higher than iHOF-10 (3.37 × 10 À 3 S cm À 1 ). At 50 °C, 98 % RH, iHOF-11 (9.49 × 10 À 4 S cm À 1 ) is 19.06 times higher than iHOF-10 (4.98 × 10 À 5 S cm À 1 ). The proton conductivity shows water molecules enter the crystal and induce crystal transformation and reorganization of the hydrogen bonding structure, thus increasing the proton conductivity and stability.

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Section: Introductionmentioning

confidence: 99%

Water‐Induced Single‐Crystal to Single‐Crystal Transformation of Ionic Hydrogen‐Bonded Organic Frameworks with Enhanced Proton Conductivity

Chen

Cao

Yang

et al. 2023

Chemistry A European J

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Sequential Solid‐State Transformations Involving Consecutive Rearrangements of Secondary Building Units in a Metal–Organic Framework (MOF)

Dai

Wang

et al. 2020

Angewandte Chemie

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Solid‐state transformations in metal–organic frameworks (MOFs) are important and have led to the creation of new MOF structures. Solid‐state transformations from interpenetrated to non‐interpenetrated networks involving rearrangement of secondary building units (SBUs) in a single‐crystal‐to‐single‐crystal (SCSC) fashion have not been explored to date. Herein, we report the sequential, thermally stimulated solid‐state transformations in a barium‐organic framework (UPC‐600). The two‐fold interpenetrated framework of UPC‐600 is converted at 373 K into UPC‐601, a non‐interpenetrated framework. This proceeds in a SCSC fashion and involves the rearrangement of two proximate rod‐shaped SBUs in different nets to generate a new rod‐shaped SBU. At 473 K, a continuous solid‐state transformation involving a second rearrangement occurred, UPC‐601 converted into UPC‐602 by the rearrangement of the 1D rod‐shaped SBU to a 2D layer SBU. This is the first example of such a thermally driven stepwise transformation involving simultaneous cleavage and regeneration of multiple bonds.

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Metal–Organic Frameworks for Ion Conduction

et al. 2022

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Solid‐state ionic conductors are compelling alternatives to liquid electrolytes in clean energy‐harvesting and ‐storage technologies. The development of novel ionic conducting materials is one of the most critical challenges for next‐generation energy technologies. Several advancements in design strategies, synthetic approaches, conducting properties, and underlying mechanisms for ionic conducting metal–organic frameworks (MOFs) have been made over the past five years; however, despite the recent, considerable expansion of related research fields, there remains a lack of systematic overviews. Here, an extensive introduction to ionic conducting performance for MOFs with different design strategies is provided, focusing primarily on ion mobility with the aid of hydrogen‐bonding networks or solvated ionic charge. Furthermore, current theories on ion conducting mechanisms in different regimes are comprehensively summarized to provide an understanding of the underlying working principles in complex, realistic systems. Finally, challenges and future research directions at the forefront of ionic conducting MOF technologies are outlined.

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Solvent‐Vapor‐Induced Reversible Single‐Crystal‐to‐Single‐Crystal Transformation of a Triphosphaazatriangulene‐Based Metal–Organic Framework

Cited by 5 publications

References 68 publications

Water‐Induced Single‐Crystal to Single‐Crystal Transformation of Ionic Hydrogen‐Bonded Organic Frameworks with Enhanced Proton Conductivity

Water‐Induced Single‐Crystal to Single‐Crystal Transformation of Ionic Hydrogen‐Bonded Organic Frameworks with Enhanced Proton Conductivity

Sequential Solid‐State Transformations Involving Consecutive Rearrangements of Secondary Building Units in a Metal–Organic Framework (MOF)

Metal–Organic Frameworks for Ion Conduction

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