Issue 52, 2023

Modulated self-assembly of three flexible Cr(iii) PCPs for SO2 adsorption and detection

Abstract

Modulated self-assembly protocols are used to develop facile, HF-free syntheses of the archetypal flexible PCP, MIL-53(Cr), and novel isoreticular analogues MIL-53(Cr)-Br and MIL-53(Cr)-NO2. All three PCPs show good SO2 uptake (298 K, 1 bar) and high chemical stabilities against dry and wet SO2. Solid-state photoluminescence spectroscopy indicates all three PCPs exhibit turn-off sensing of SO2, in particular MIL-53(Cr)-Br, which shows a 2.7-fold decrease in emission on exposure to SO2 at room temperature, indicating potential sensing applications.

Graphical abstract: Modulated self-assembly of three flexible Cr(iii) PCPs for SO2 adsorption and detection

Supplementary files

Article information

Article type
Communication
Submitted
05 Apr. 2023
Accepted
01 Jūn. 2023
First published
01 Jūn. 2023
This article is Open Access
Creative Commons BY license

Chem. Commun., 2023,59, 8115-8118

Modulated self-assembly of three flexible Cr(III) PCPs for SO2 adsorption and detection

V. B. López-Cervantes, D. Bara, A. Yañez-Aulestia, E. Martínez-Ahumada, A. López-Olvera, Y. A. Amador-Sánchez, D. Solis-Ibarra, E. Sánchez-González, I. A. Ibarra and R. S. Forgan, Chem. Commun., 2023, 59, 8115 DOI: 10.1039/D3CC01685D

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