Standard

Exceptionally stable H3PO4@MIL-100 system : A correlation between proton conduction and water adsorption properties. / Ponomareva, Valentina G.; Cheplakova, Anastasia M.; Kovalenko, Konstantin A. et al.

In: Journal of Physical Chemistry C, Vol. 124, No. 42, 22.10.2020, p. 23143-23149.

Research output: Contribution to journal › Article › peer-review

Harvard

Ponomareva, VG, Cheplakova, AM, Kovalenko, KA & Fedin, VP 2020, 'Exceptionally stable H3PO4@MIL-100 system: A correlation between proton conduction and water adsorption properties', Journal of Physical Chemistry C, vol. 124, no. 42, pp. 23143-23149. https://doi.org/10.1021/acs.jpcc.0c06407

APA

Ponomareva, V. G., Cheplakova, A. M., Kovalenko, K. A., & Fedin, V. P. (2020). Exceptionally stable H3PO4@MIL-100 system: A correlation between proton conduction and water adsorption properties. Journal of Physical Chemistry C, 124(42), 23143-23149. https://doi.org/10.1021/acs.jpcc.0c06407

Vancouver

Ponomareva VG, Cheplakova AM, Kovalenko KA, Fedin VP. Exceptionally stable H3PO4@MIL-100 system: A correlation between proton conduction and water adsorption properties. Journal of Physical Chemistry C. 2020 Oct 22;124(42):23143-23149. doi: 10.1021/acs.jpcc.0c06407

Author

Ponomareva, Valentina G. ; Cheplakova, Anastasia M. ; Kovalenko, Konstantin A. et al. / Exceptionally stable H3PO4@MIL-100 system : A correlation between proton conduction and water adsorption properties. In: Journal of Physical Chemistry C. 2020 ; Vol. 124, No. 42. pp. 23143-23149.

BibTeX

@article{97f280839fe24c1b9a9db5168b0b5d07,
title = "Exceptionally stable H3PO4@MIL-100 system: A correlation between proton conduction and water adsorption properties",
abstract = "A proton-conducting H3PO4@MIL-100 inclusion compound was synthesized by incorporating phosphoric acid into a mesoporous chromium(III) trimesate MIL-100 metal-organic framework. The concentration of phosphoric acid in the hybrid system was determined in a wide range of relative humidity using the water vapor sorption measurements of H3PO4@MIL-100. The hybrid compound demonstrates high thermal stability, and the framework retains its original crystal structure as confirmed by Xray powder diffraction and thermogravimetric analysis (TGA) measurements. The proton conductivity at 70 °C and moisture of 5 mol % H2O is 3.0 × 10-2 S·cm-1, which is only 1 order of magnitude lower than that of aqueous phosphoric acid. Importantly, the proton conductivity in a wide range of relative humidity is fully compliant with water content and calculated phosphoric acid concentration in the sample determined by TGA and water vapor sorption measurements. The mechanism of proton conductivity in H3PO4@MIL-100 hybrid compound is discussed.",
keywords = "METAL-ORGANIC FRAMEWORKS, COORDINATION POLYMERS, PHOSPHORIC-ACID, MIL-100, COMPOSITES, OXIDATION, SORPTION",
author = "Ponomareva, {Valentina G.} and Cheplakova, {Anastasia M.} and Kovalenko, {Konstantin A.} and Fedin, {Vladimir P.}",
note = "Publisher Copyright: {\textcopyright} Copyright: Copyright 2020 Elsevier B.V., All rights reserved.",
year = "2020",
month = oct,
day = "22",
doi = "10.1021/acs.jpcc.0c06407",
language = "English",
volume = "124",
pages = "23143--23149",
journal = "Journal of Physical Chemistry C",
issn = "1932-7447",
publisher = "American Chemical Society",
number = "42",

}

RIS

TY - JOUR

T1 - Exceptionally stable H3PO4@MIL-100 system

T2 - A correlation between proton conduction and water adsorption properties

AU - Ponomareva, Valentina G.

AU - Cheplakova, Anastasia M.

AU - Kovalenko, Konstantin A.

AU - Fedin, Vladimir P.

N1 - Publisher Copyright: © Copyright: Copyright 2020 Elsevier B.V., All rights reserved.

PY - 2020/10/22

Y1 - 2020/10/22

N2 - A proton-conducting H3PO4@MIL-100 inclusion compound was synthesized by incorporating phosphoric acid into a mesoporous chromium(III) trimesate MIL-100 metal-organic framework. The concentration of phosphoric acid in the hybrid system was determined in a wide range of relative humidity using the water vapor sorption measurements of H3PO4@MIL-100. The hybrid compound demonstrates high thermal stability, and the framework retains its original crystal structure as confirmed by Xray powder diffraction and thermogravimetric analysis (TGA) measurements. The proton conductivity at 70 °C and moisture of 5 mol % H2O is 3.0 × 10-2 S·cm-1, which is only 1 order of magnitude lower than that of aqueous phosphoric acid. Importantly, the proton conductivity in a wide range of relative humidity is fully compliant with water content and calculated phosphoric acid concentration in the sample determined by TGA and water vapor sorption measurements. The mechanism of proton conductivity in H3PO4@MIL-100 hybrid compound is discussed.

AB - A proton-conducting H3PO4@MIL-100 inclusion compound was synthesized by incorporating phosphoric acid into a mesoporous chromium(III) trimesate MIL-100 metal-organic framework. The concentration of phosphoric acid in the hybrid system was determined in a wide range of relative humidity using the water vapor sorption measurements of H3PO4@MIL-100. The hybrid compound demonstrates high thermal stability, and the framework retains its original crystal structure as confirmed by Xray powder diffraction and thermogravimetric analysis (TGA) measurements. The proton conductivity at 70 °C and moisture of 5 mol % H2O is 3.0 × 10-2 S·cm-1, which is only 1 order of magnitude lower than that of aqueous phosphoric acid. Importantly, the proton conductivity in a wide range of relative humidity is fully compliant with water content and calculated phosphoric acid concentration in the sample determined by TGA and water vapor sorption measurements. The mechanism of proton conductivity in H3PO4@MIL-100 hybrid compound is discussed.

KW - METAL-ORGANIC FRAMEWORKS

KW - COORDINATION POLYMERS

KW - PHOSPHORIC-ACID

KW - MIL-100

KW - COMPOSITES

KW - OXIDATION

KW - SORPTION

UR - http://www.scopus.com/inward/record.url?scp=85094913585&partnerID=8YFLogxK

U2 - 10.1021/acs.jpcc.0c06407

DO - 10.1021/acs.jpcc.0c06407

M3 - Article

AN - SCOPUS:85094913585

VL - 124

SP - 23143

EP - 23149

JO - Journal of Physical Chemistry C

JF - Journal of Physical Chemistry C

SN - 1932-7447

IS - 42

ER -

ID: 25849488