Three new AIE-cored luminescent Cd-based MOFs with high quantum yields and selective detection of ions in aqueous media

Chen, Wei-Min; Zhang, Yi; Xue, Zhen-Dong; Zhu, Hao-Yu; Gao, Qiang; Chen, Li-Zhuang; Wang, Fang-Ming

doi:10.1039/d4ce00446a

CrystEngComm

2024

DOI: 10.1039/d4ce00446a

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Three new AIE-cored luminescent Cd-based MOFs with high quantum yields and selective detection of ions in aqueous media

Wei-Min Chen,

Yi Zhang,

Zhen-Dong Xue

et al.

Abstract: Here synthesized three new LMOFs, [Cd(TPPE)0.5(oba)(H2O)]n (LMOF-1), [Cd2(TPPE)(bpdc)2]n (LMOF-2), [Cd2(TPPE)(sdc)2]n (LMOF-3) (TPPE=1,1,2,2-tetra[4-(pyridin-4-yl)phenyl]ethylene, oba=4,4'-diphenyl ether dicarboxylic acid, bpdc=4,4'-biphenyl dicarboxylic acid, sdc=4,4'-styrene dicarboxylic acid), with high quantum yields at 43.74%, 36.68% and...

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Cited by 3 publications

References 51 publications

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A ratiometric fluorescent probe quickly responding for Pb2+ with the biggest red-shift stokes based on a new bimetallic MOF

Chen,

Shao,

Wang

2025

Microchemical Journal

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A ratiometric fluorescent probe quickly responding for Pb2+ with the biggest red-shift stokes based on a new bimetallic MOF

Chen,

Shao,

Wang

2025

Microchemical Journal

View full text Add to dashboard Cite

Synthesis, Structures, and Properties of Complexes Based on 3,5-bis(triazol-1-yl) Benzoic Acid as the Main Ligand

Yang,

Wang,

Guo

et al. 2024

Crystal Growth & Design

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In this paper, 3,5-bis(triazol-1-yl)-benzoic acid (L) is selected as the main ligand to combine with Cd(NO 3 ) 2 •4H 2 O to synthesize two complexes of Cd(L) 2 (1) and [Cd(L)(PCA)-(H 2 O)]•H 2 O (2) (PCA = 2-pyrazinecarboxylic acid) under solvothermal conditions. Single-crystal X-ray diffraction analysis shows that complexes 1 and 2 exhibit different three-dimensional framework structures of the network and waveform, respectively. Solid-state fluorescence experiments show that 1 and 2 have excellent fluorescence properties. Ion sensing experiments illustrate that complex 1 can detect Fe 3+ with a detection limit (LOD) of 0.132 μM, and complex 2 can selectively sense Cr 2 O 7 2− (LOD: 0.066 μM). In addition, amino acid and antibiotic sensing experiments reveal that complex 1 has the ability to selectively sense tryptophan (LOD: 0.120 μM) by the fluorescence enhancement effect and tetracycline hydrochloride (LOD: 0.023 μM) by fluorescence quenching. Complex 2 can test sulfadiazine antibiotics (LOD: 4.780 μM) by fluorescence enhancement.

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Cd(II)-Based Coordination Polymer as a Multiresponsive Fluorescent Sensor for Efficiently Detecting Zn²⁺, Cr₂O₇^2–, and Phenylglyoxylic Acid

Gang,

Luo,

Wang

et al. 2024

Crystal Growth & Design

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The concentration of Zn2+ is closely related to the ecological environment and physical health and must be monitored conveniently and accurately. Herein, a novel coordination polymer, namely, {[Cd2L2(bpy)2]·H2O·0.25DMF}n (CP-1, bpy = 2,2′-bipyridine, H2L = 5-(1H-1,2,4-triazole-1-yl)-1,3-phthalic acid) was synthesized under solvothermal conditions and can be used for selective detection of Zn2+ with an extremely low detection limit. Single-crystal X-ray diffraction analyses revealed that CP-1 exhibits an interspersed two-dimensional (2D) layer and further constitutes a 3D layer by weak interactions. Fluorescence experiments showed that CP-1 can be used as an excellent fluorescent sensor for selectively detecting Zn2+ with the detection limit as low as 0.073 μM. In addition, CP-1 can also be used for the efficient detection of Cr2O7 2– and phenylglyoxylic acid (PGA) with detection limits of 0.68 and 1.59 μM respectively. Moreover, the mechanism study showed that the turn-on behavior of CP-1 for detecting Zn2+ can be attributed to absorbance-induced enhancement (ACE), and the turn-off behavior for detecting Cr2O7 2– and PGA can be attributed to the “internal filtering effect” (IFE) and the combined effect of photoinduced electron transfer (PET) and competitive absorption, respectively.

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Three new AIE-cored luminescent Cd-based MOFs with high quantum yields and selective detection of ions in aqueous media

Cited by 3 publications

References 51 publications

A ratiometric fluorescent probe quickly responding for Pb2+ with the biggest red-shift stokes based on a new bimetallic MOF

A ratiometric fluorescent probe quickly responding for Pb2+ with the biggest red-shift stokes based on a new bimetallic MOF

Synthesis, Structures, and Properties of Complexes Based on 3,5-bis(triazol-1-yl) Benzoic Acid as the Main Ligand

Cd(II)-Based Coordination Polymer as a Multiresponsive Fluorescent Sensor for Efficiently Detecting Zn²⁺, Cr₂O₇^2–, and Phenylglyoxylic Acid

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Three new AIE-cored luminescent Cd-based MOFs with high quantum yields and selective detection of ions in aqueous media

Cited by 3 publications

References 51 publications

A ratiometric fluorescent probe quickly responding for Pb2+ with the biggest red-shift stokes based on a new bimetallic MOF

A ratiometric fluorescent probe quickly responding for Pb2+ with the biggest red-shift stokes based on a new bimetallic MOF

Synthesis, Structures, and Properties of Complexes Based on 3,5-bis(triazol-1-yl) Benzoic Acid as the Main Ligand

Cd(II)-Based Coordination Polymer as a Multiresponsive Fluorescent Sensor for Efficiently Detecting Zn2+, Cr2O72–, and Phenylglyoxylic Acid

Contact Info

Product

Resources

About

Cd(II)-Based Coordination Polymer as a Multiresponsive Fluorescent Sensor for Efficiently Detecting Zn²⁺, Cr₂O₇^2–, and Phenylglyoxylic Acid