Tuning the fluorescence sensing for Fe3+ ions by using different dipyridyl linkers in pillar-layered metal–organic frameworks

文献情報

出版日 2023-11-17

DOI 10.1039/D3NJ03489E

インパクトファクター 3.591

著者

Yan-E Liu, Ye Zhou, Xiao-Yu Li, Jun Yao, Qiu-Xia Li, Quan-Qing Xu, Rong-Rong Zhu, Ai-Xin Zhu

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要旨

Isostructural, pillar-layered metal–organic frameworks (MOFs) will provide an ideal structural model for studying the influence of functional groups on fluorescence sensing. Here, we study dipyridyl linkers to tune the detection of Fe3+ ions. Three isostructural analogues of pillar-layered frameworks were used as fluorescence sensors to quickly, sensitively, and selectively detect Fe3+ ions with good repeatability. Importantly, an increase in length of the pillars and accessible volumes may lead to an increase in the fluorescence quenching constants (Ksv(PL-1) = 1.58 × 104 M−1) < (Ksv(PL-2) = 1.72 × 104 M−1) < (Ksv(PL-3) = 2.47 × 104 M−1), which may be related to different dipyridyl ligands acting as pillars.

掲載誌

New Journal of Chemistry

CiteScore: 5.3

自己引用率: 3.7%

年間論文数: 2153

NJC (New Journal of Chemistry) is a broad-based primary journal encompassing all branches of chemistry and its sub-disciplines. It contains full research articles, communications, perspectives and focus articles. This well-established journal, owned by the Centre National de la Recherche Scientifique (CNRS) of France, has been co-published with the Royal Society of Chemistry since January 1998. NJC is the forum for the publication of high-quality, original and significant work that opens new directions in chemistry or other scientific disciplines. In addition to having a significant chemical component, work published in NJC must demonstrate that it will have an impact on areas of research other than that of the reported work.

Tuning the fluorescence sensing for Fe3+ ions by using different dipyridyl linkers in pillar-layered metal–organic frameworks

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