Modulated self-assembly of three flexible Cr(iii) PCPs for SO2 adsorption and detection
Chemical Communications2023Vol. 59(52), pp. 8115–8118
Citations Over TimeTop 24% of 2023 papers
Valeria B. López‐Cervantes, Dominic Bara, Ana Yañez-Aulestia, Eva Martínez‐Ahumada, Alfredo López‐Olvera, Yoarhy A. Amador‐Sánchez, Diego Solís-Ibarra, Elı́ Sánchez-González, Ilich A. Ibarra, Ross S. Forgan
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.
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