Applied Surface Science, volume 579, pages 152080

Interfacial self-assembly of porphyrin-based SURMOF/graphene oxide hybrids with tunable pore size: An approach toward size-selective ambivalent heterogeneous photocatalysts

Publication typeJournal Article
Publication date2022-03-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor6.7
ISSN01694332
Surfaces, Coatings and Films
General Chemistry
General Physics and Astronomy
Condensed Matter Physics
Surfaces and Interfaces
Abstract
• Photocatalysts are self-assembled from zinc porphyrins MOFs and graphene oxide. • These hybrids show ambivalent ability to red/ox photodegradation of dyes. • Photooxidation of dyes by singlet oxygen occurs in the oxygen-rich solutions. • Photoreduction of the same dyes is initiated under anaerobic conditions. • Size matching between the dyes and MOF micropores controls photoreduction. New photocatalysts were synthesized from graphene oxide (GO) and zinc porphyrins via non-covalent self-assembly in Pickering emulsions. The formation of surface-attached metal organic frameworks (SURMOFs) with different size of mesopores (1.1. and 1.6 nm) was confirmed by X-ray powder diffraction and BET nitrogen absorption methods. The activity of the SURMOF/GO materials in photodegradation of rhodamine 6G (Rh6G) and 1,5-dihydroxynaphtalene (DHN) were studied spectroscopically. The photocatalysts initiate aerobic oxidative photodestruction with k up to 2.3 × 10 −1 min −1 through generation of singlet oxygen on porphyrin centers. Under anaerobic conditions, these materials assist photoreduction of the same dyes in the SURMOF micropores. The mechanisms of photodegradation assisted by SURMOF/GO hybrids were confirmed by a combination of MALDI-TOF spectroscopy, Sensor Green and terephthalic acid probing. The size of the SURMOF pores controls the reduction, which occur due to the effective charge separation between porphyrin SURMOFs and GO. The photocatalyst with larger pores can transform both Rh6G and DHN, whereas that one with smaller pores is active only with respect to small DHN molecules. The ability of as-formed SURMOF/GOs to exploit two mechanisms yielding different products of photodestruction provides a basis for creating novel ambivalent photocatalysts for selective transformations of targeted compounds in molecular mixtures.

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Nugmanova A. G. et al. Interfacial self-assembly of porphyrin-based SURMOF/graphene oxide hybrids with tunable pore size: An approach toward size-selective ambivalent heterogeneous photocatalysts // Applied Surface Science. 2022. Vol. 579. p. 152080.
GOST all authors (up to 50) Copy
Nugmanova A. G., Safonova E. A., Shkolin A. V., Eliseev A. A., Meshkov I. N., Tameev A. R., Mitrofanov A. A., Baranchikov A. E., Tameev A., Eliseev A. A., Meshkov I. B., Kalinina M. A. Interfacial self-assembly of porphyrin-based SURMOF/graphene oxide hybrids with tunable pore size: An approach toward size-selective ambivalent heterogeneous photocatalysts // Applied Surface Science. 2022. Vol. 579. p. 152080.
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TY - JOUR
DO - 10.1016/j.apsusc.2021.152080
UR - https://doi.org/10.1016%2Fj.apsusc.2021.152080
TI - Interfacial self-assembly of porphyrin-based SURMOF/graphene oxide hybrids with tunable pore size: An approach toward size-selective ambivalent heterogeneous photocatalysts
T2 - Applied Surface Science
AU - Nugmanova, Alsu G
AU - Safonova, Evgeniya A.
AU - Shkolin, Andrey V
AU - Eliseev, Artem A
AU - Meshkov, Ivan N
AU - Tameev, Alexey R
AU - Mitrofanov, Artem A
AU - Baranchikov, Alexander E
AU - Tameev, Alexey
AU - Eliseev, A. A.
AU - Meshkov, Ivan B
AU - Kalinina, Maria A
PY - 2022
DA - 2022/03/01 00:00:00
PB - Elsevier
SP - 152080
VL - 579
SN - 0169-4332
ER -
BibTex
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@article{2022_Nugmanova,
author = {Alsu G Nugmanova and Evgeniya A. Safonova and Andrey V Shkolin and Artem A Eliseev and Ivan N Meshkov and Alexey R Tameev and Artem A Mitrofanov and Alexander E Baranchikov and Alexey Tameev and A. A. Eliseev and Ivan B Meshkov and Maria A Kalinina},
title = {Interfacial self-assembly of porphyrin-based SURMOF/graphene oxide hybrids with tunable pore size: An approach toward size-selective ambivalent heterogeneous photocatalysts},
journal = {Applied Surface Science},
year = {2022},
volume = {579},
publisher = {Elsevier},
month = {mar},
url = {https://doi.org/10.1016%2Fj.apsusc.2021.152080},
pages = {152080},
doi = {10.1016/j.apsusc.2021.152080}
}
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