Humidity-Mediated Anisotropic Proton Conductivity through the 1D Channels of Co-MOF-74

A. Javed, I. Strauss, H. Bunzen, J. Caro, M. Tiemann, Nanomaterials (2020).

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Journal Article | Published | English
Author
Javed, Ali; Strauss, Ina; Bunzen, Hana; Caro, Jürgen; Tiemann, MichaelLibreCat
Abstract
<jats:p>Large Co-MOF-74 crystals of a few hundred micrometers were prepared by solvothermal synthesis, and their structure and morphology were characterized by scanning electron microscopy (SEM), IR, and Raman spectroscopy. The hydrothermal stability of the material up to 60 °C at 93% relative humidity was verified by temperature-dependent XRD. Proton conductivity was studied by impedance spectroscopy, using a single crystal. By varying the relative humidity (70–95%), temperature (21–60 °C), and orientation of the crystal relative to the electrical potential, it was found that proton conduction occurs predominantly through the linear, unidirectional (1D) micropore channels of Co-MOF-74, and that water molecules inside the channels are responsible for the proton mobility by a Grotthuss-type mechanism.</jats:p>
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Journal Title
Nanomaterials
Article Number
1263
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Javed A, Strauss I, Bunzen H, Caro J, Tiemann M. Humidity-Mediated Anisotropic Proton Conductivity through the 1D Channels of Co-MOF-74. Nanomaterials. Published online 2020. doi:10.3390/nano10071263
Javed, A., Strauss, I., Bunzen, H., Caro, J., & Tiemann, M. (2020). Humidity-Mediated Anisotropic Proton Conductivity through the 1D Channels of Co-MOF-74. Nanomaterials, Article 1263. https://doi.org/10.3390/nano10071263
@article{Javed_Strauss_Bunzen_Caro_Tiemann_2020, title={Humidity-Mediated Anisotropic Proton Conductivity through the 1D Channels of Co-MOF-74}, DOI={10.3390/nano10071263}, number={1263}, journal={Nanomaterials}, author={Javed, Ali and Strauss, Ina and Bunzen, Hana and Caro, Jürgen and Tiemann, Michael}, year={2020} }
Javed, Ali, Ina Strauss, Hana Bunzen, Jürgen Caro, and Michael Tiemann. “Humidity-Mediated Anisotropic Proton Conductivity through the 1D Channels of Co-MOF-74.” Nanomaterials, 2020. https://doi.org/10.3390/nano10071263.
A. Javed, I. Strauss, H. Bunzen, J. Caro, and M. Tiemann, “Humidity-Mediated Anisotropic Proton Conductivity through the 1D Channels of Co-MOF-74,” Nanomaterials, Art. no. 1263, 2020, doi: 10.3390/nano10071263.
Javed, Ali, et al. “Humidity-Mediated Anisotropic Proton Conductivity through the 1D Channels of Co-MOF-74.” Nanomaterials, 1263, 2020, doi:10.3390/nano10071263.

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