Morphology-controllable bimetallic MOFs/textile composite electrodes with high areal capacitance for flexible electronic devices

Zhai, Shixiong; Jin, Zhendong; Li, Chengcheng; Sun, Jingli; Zhao, Hong; Jin, Zhehai; Cai, Zaisheng; Zhao, Yaping

doi:10.1039/d2qm00126h

Cited by 6 publications

(1 citation statement)

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“…50 The diffusion-controlled contribution decreased gradually as the scan rate increased, but the capacitive-controlled contribution increased, indicating that surface-controlled redox processes and restricted ion insertion into the electrode material predominated at higher scan rates. 56 However, the higher specific capacitance at lower scan rates is due to the deeper ion insertion into the electrode surface by the diffusion-controlled faradaic process. 33 Furthermore, Fig.…”

Section: Resultsmentioning

confidence: 99%

Surfactant-assisted morphology modification of nanostructured MnMoO₄ for high-performance asymmetric supercapacitors

Kumcham,

Sreekanth,

Yoo

et al. 2024

New J. Chem.

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Section: Resultsmentioning

confidence: 99%

Surfactant-assisted morphology modification of nanostructured MnMoO₄ for high-performance asymmetric supercapacitors

Kumcham,

Sreekanth,

Yoo

et al. 2024

New J. Chem.

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Constructing Metal–Organic Framework Films with Adjustable Electronic Properties on Hematite Photoanode for Boosting Photogenerated Carrier Transport

Xing,

Zeng,

et al. 2024

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Hematite (α‐Fe2O3) has become a research hotspot in the field of photoelectrochemical water splitting (PEC‐WS), but the low photogenerated carrier separation efficiency limits further application. The electronic structure regulation, such as element doping and organic functional groups with different electrical properties, is applied to alleviate the problems of poor electrical conductivity, interface defects, and band mismatch. Herein, α‐Fe2O3 photoanodes are modified to regulate their electric structures and improve photogenerated carrier transport by the bimetallic metal–organic frameworks (MOFs), which are constructed with Fe/Ni and terephthalate (BDC) with 2‐substitution of different organic functional groups (─H, ─Br, ─NO2 and ─NH2). The α‐Fe2O3 photoanode loaded with FeNi‐NH2BDC MOF catalyst exhibits the optimal photocurrent density (2 mA cm−2) at 1.23 VRHE, which is 2.33 times that of the pure α‐Fe2O3 photoanode. The detailed PEC analyses demonstrate that the bimetallic synergistic effect between Fe and Ni can improve the conductivity and inhibit the photogenerated carrier recombination of α‐Fe2O3 photoanodes. The ─NH2 group as an electron‐donor group can effectively regulate the electron distribution and band structure of α‐Fe2O3 photoanodes to prolong the lifetime of photogenerated holes, which facilitates photogenerated carrier transport and further enhances the PEC‐WS performance of α‐Fe2O3 photoanode.

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Synthesis, analysis and characterization of bimetallic oxide NiO@NiCo2O4 composite nanoarchitectonics from metal–organic framework in electrode material

Lu,

Hao,

Feng

et al. 2024

Appl. Phys. A

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Morphology-controllable bimetallic MOFs/textile composite electrodes with high areal capacitance for flexible electronic devices

Abstract: A new strategy has been designed for enhancing the electrochemical performances of the supercapacitor electrode. In this work, hetero-structure flexible conductive cotton equipped with lamellar structure nickel/cobalt-based MOFs (NiCo-MOF) is...

Cited by 6 publications

References 61 publications

Surfactant-assisted morphology modification of nanostructured MnMoO₄ for high-performance asymmetric supercapacitors

Surfactant-assisted morphology modification of nanostructured MnMoO₄ for high-performance asymmetric supercapacitors

Constructing Metal–Organic Framework Films with Adjustable Electronic Properties on Hematite Photoanode for Boosting Photogenerated Carrier Transport

Synthesis, analysis and characterization of bimetallic oxide NiO@NiCo2O4 composite nanoarchitectonics from metal–organic framework in electrode material

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Morphology-controllable bimetallic MOFs/textile composite electrodes with high areal capacitance for flexible electronic devices

Abstract: A new strategy has been designed for enhancing the electrochemical performances of the supercapacitor electrode. In this work, hetero-structure flexible conductive cotton equipped with lamellar structure nickel/cobalt-based MOFs (NiCo-MOF) is...

Cited by 6 publications

References 61 publications

Surfactant-assisted morphology modification of nanostructured MnMoO4 for high-performance asymmetric supercapacitors

Surfactant-assisted morphology modification of nanostructured MnMoO4 for high-performance asymmetric supercapacitors

Constructing Metal–Organic Framework Films with Adjustable Electronic Properties on Hematite Photoanode for Boosting Photogenerated Carrier Transport

Synthesis, analysis and characterization of bimetallic oxide NiO@NiCo2O4 composite nanoarchitectonics from metal–organic framework in electrode material

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Surfactant-assisted morphology modification of nanostructured MnMoO₄ for high-performance asymmetric supercapacitors

Surfactant-assisted morphology modification of nanostructured MnMoO₄ for high-performance asymmetric supercapacitors