三例柔性 Cr(III) PCPs 的调制自组装用于 SO 吸附和检测。
Modulated self-assembly of three flexible Cr(III) PCPs for SO adsorption and detection.
机构信息
Laboratorio de Fisicoquímica y Reactividad de Superficies (LaFReS), Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Circuito Exterior s/n, CU, Del. Coyoacan, 04510, Ciudad de Mexico, Mexico.
WestCHEM School of Chemistry, University of Glasgow, Glasgow, G12 8QQ, UK.
出版信息
Chem Commun (Camb). 2023 Jun 27;59(52):8115-8118. doi: 10.1039/d3cc01685d.
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)-NO. All three PCPs show good SO uptake (298 K, 1 bar) and high chemical stabilities against dry and wet SO. Solid-state photoluminescence spectroscopy indicates all three PCPs exhibit turn-off sensing of SO, in particular MIL-53(Cr)-Br, which shows a 2.7-fold decrease in emission on exposure to SO at room temperature, indicating potential sensing applications.
采用调制自组装方法，可简便、无 HF 地合成典型的柔性 PCP、MIL-53(Cr)，以及新型同构类似物 MIL-53(Cr)-Br 和 MIL-53(Cr)-NO。三种 PCP 均表现出良好的 SO 吸收性能（298 K，1 bar），且对干燥和湿 SO 具有高化学稳定性。固态光致发光光谱表明，三种 PCP 均对 SO 表现出关闭型传感，特别是 MIL-53(Cr)-Br，在室温下暴露于 SO 时，其发射强度降低了 2.7 倍，表明其具有潜在的传感应用。
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