Synthesis of Phosphovanadate-Based Porous Inorganic Frameworks with High Proton Conductivity

Ren, Wei-Bo; Sun, Sai; Gao, Zhixin; Li, Bo; Chen, Xinyu; Liu, Qianqian; Zang, Hong-Ying

doi:10.1021/acs.inorgchem.3c03703

Cited by 6 publications

(1 citation statement)

References 47 publications

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“…Polyoxometalate (POM) is an important branch of the inorganic field, which is a kind of metal oxygen clusters formed by oxygen connection of pretransition metal ions. − Until now, POM has been widely studied as a functional component and applied in many fields such as light, electricity, and magnetism. − Moreover, the surface of POMs is rich in electrons, which can provide electrons easily. Thus, POMs own excellent redox properties, inducing the applications in electrochemistry and catalysis. − Furthermore, the characteristics of rich electrons of POMs can conduce electron transition, which makes POMs act as precursors of chromic materials .…”

Section: Introductionmentioning

confidence: 99%

Four Chromic Compounds Constructed from Keggin Polyoxometalates and Viologens with Applications in Ultraviolet, Metal Ion Detection, and Ink-Free Printing

Gao,

Liu,

Ying

et al. 2024

Crystal Growth & Design

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A combination of polyoxometalates and viologens to construct discoloration materials with charge transfer has become attractive presently. In this work, four kinds of POM–viologen color-changing materials were successfully synthesized, namely, [Cu(1,4-Mbby)2(HPMoVI 10MoV 2O40)] (1), [H2(1,4-Mbby)2]·(SiMo12O40) (2, 1,4-Mbby·Cl = (1-(4-methyl-benzyl)-[4,4’]bipyridinyl-1-ium)chloridate), [H2(Bypy)2]·(SiMo12O40) (3), and [H(Bypy)]·(Bypy-2)1/2·(PMo12O40) (4, Bypy = 1-benzyl-4,4′-bipyridyinium chloride, Bypy-2 = 1,1′-dibenzyl-4,4′-bipyridine chloride). In compound 1, a [Cu(1,4-Mbby)2]4+ subunit caps on the Keggin anion to build a monosupporting cluster. Compounds 2–4 are discrete structures with dissociative POMs and viologens. All compounds 1–4 show good reversible photochromic properties under xenon lamp (300–400 nm) irradiation. Under the stimulation of current, compounds 1–4 also show reversible electrochromic properties within a certain range of applied voltage. The good color-changing properties of these compounds are due to the generation of free viologen radicals and charge transfer. Based on their color-changing properties, they can be applied to many fields, such as ultraviolet detectors, inkless printing, and visual detection of heavy metal ions. These practical applications are of positive significance for life and production.

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Section: Introductionmentioning

confidence: 99%

Four Chromic Compounds Constructed from Keggin Polyoxometalates and Viologens with Applications in Ultraviolet, Metal Ion Detection, and Ink-Free Printing

Gao,

Liu,

Ying

et al. 2024

Crystal Growth & Design

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Bismuth‐Based Metal‐Organic Frameworks for Water Vapor Capture and Energy Storage

Ma,

Wang,

Liu

et al. 2024

Adv Funct Materials

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Transforming water vapor into electricity is a critical method for advancing renewable energy supply and alleviating the global energy crisis. However, conventional materials typically struggle to achieve a balance between energy storage and humidity harvesting, making the integration of humidity detection with energy storage technology an emerging challenge. To address this challenge, a novel material design strategy is explored aimed at combining humidity harvesting capabilities with energy storage. Two novel hygroscopic Bi‐based metal‐organic frameworks [Bi2(HABTC)(ABTC)0.5·4H2O] (MOF 1) and [Bi4(ABTC)3(DMF)2]·DMF (MOF 2) are grown in situ on carbon paper electrodes, followed by further modification with polyaniline (PANI). This approach enhances the hygroscopicity of materials, thereby improving electrochemical performance, doubling the energy density compared to traditional coating methods. The integration of humidity‐sensitive polyoxometalates (POMs) electrolytes create a synergistic interaction between the electrode and the electrolyte, enabling effective moisture energy harvesting. At 90% relative humidity (RH) and 70 °C, the constructed solid‐state capacitor demonstrates a high energy density of 40.40 Wh kg−1 at 499.82 W kg−1. This research not only confirms the feasibility of water vapor energy harvesting but also paves an innovative pathway in the field of humidity energy conversion, highlighting its significant potential for future practical applications.

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Dimensional regulation in gigantic molybdenum blue wheels featuring {(W)Mo5} motifs for enhanced proton conductivity

Wu,

Du,

Zhang

et al. 2024

Nano Res.

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Synthesis of Phosphovanadate-Based Porous Inorganic Frameworks with High Proton Conductivity

Cited by 6 publications

References 47 publications

Four Chromic Compounds Constructed from Keggin Polyoxometalates and Viologens with Applications in Ultraviolet, Metal Ion Detection, and Ink-Free Printing

Four Chromic Compounds Constructed from Keggin Polyoxometalates and Viologens with Applications in Ultraviolet, Metal Ion Detection, and Ink-Free Printing

Bismuth‐Based Metal‐Organic Frameworks for Water Vapor Capture and Energy Storage

Dimensional regulation in gigantic molybdenum blue wheels featuring {(W)Mo5} motifs for enhanced proton conductivity

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