Selective detection of SO2 in NU-1000 via organometallic nickel silylphosphine post-synthetic complex incorporation†

IF 3.3 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR Dalton Transactions Pub Date : 2025-04-24 DOI:10.1039/D3DT03985D

Juan L. Obeso, Luz J. Barrios-Vargas, Valeria B. López-Cervantes, Yoarhy A. Amador-Sánchez, Nancy Martin-Guaregua, Ricardo A. Peralta, Ramon Munoz, Ana Martínez, Carolina Leyva, Diego Solis-Ibarra, Elí Sánchez-González, Ilich A. Ibarra and Virginia Montiel-Palma

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Abstract

The adsorption and detection of SO₂ using Zr-based MOF, NU-1000 grafted with an organometallic nickel silylphosphine complex ([NiSi]@NU-1000) via post-synthetic modification are reported. [NiSi]@NU-1000 exhibits high stability under dry and wet SO₂, with a high cyclability performance. Moreover, fluorescence experiments postulate [NiSi]@NU-1000 as a promising SO₂ detector due to its high SO₂ selectivity over CO₂ and air, showing an evident quenching effect, especially at low SO₂ concentrations (0.1 bar of SO₂). Time-resolved photoluminescence experiments suggest that host–guest SO₂ interactions are associated with the turn-off effect.

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有机金属镍硅膦合成后配合物选择性检测铀-1000中二氧化硫

本研究报道了使用通过后合成修饰接枝了有机金属镍硅膦络合物（[NiSi]@NU-1000）的 Zr 基 MOF NU-1000 对二氧化硫的吸附和检测。[NiSi]@NU-1000在干法和湿法二氧化硫条件下均表现出较高的稳定性和循环性能。此外，由于[NiSi]@NU-1000 对二氧化碳和空气中的二氧化硫具有较高的选择性，荧光实验推测它是一种很有前途的二氧化硫检测器，尤其是在二氧化硫浓度较低（0.1 巴二氧化硫）的情况下，[NiSi]@NU-1000 显示出明显的淬灭效应。时间分辨光致发光实验表明，二氧化硫的主客体相互作用与熄灭效应有关。

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来源期刊

Dalton Transactions 化学-无机化学与核化学

CiteScore

6.60

自引率

7.50%

发文量

1832

审稿时长

1.5 months

期刊介绍： Dalton Transactions is a journal for all areas of inorganic chemistry, which encompasses the organometallic, bioinorganic and materials chemistry of the elements, with applications including synthesis, catalysis, energy conversion/storage, electrical devices and medicine. Dalton Transactions welcomes high-quality, original submissions in all of these areas and more, where the advancement of knowledge in inorganic chemistry is significant.