A Robust Zn-based Coordination Polymer for Ultra-sensitive and Selective Detection of Trace 2,4,6-Trinitrophenol and Fe3+ in Aqueous Solution

Guang Hu; Nanxi Zhang; Xiangyu Li; Liyan Zhao; Xiao Zhang; Xin Li; Xinyi Zhou; Weidong Liu; Liting Wang; Bing Li; Wang Zixi Zhang; Minghang Lü

doi:10.1007/s40242-026-5285-z

A Robust Zn-based Coordination Polymer for Ultra-sensitive and Selective Detection of Trace 2,4,6-Trinitrophenol and Fe³⁺ in Aqueous Solution

Guang Hu
, Nanxi Zhang
, Xiangyu Li
, Liyan Zhao
, Xiao Zhang^*
, Xin Li^*
, Xinyi Zhou
, Weidong Liu
, Liting Wang
, Bing Li
, Wang Zixi Zhang
, Minghang Lü

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

A novel Zn-based luminescent coordination polymer [Zn(phen)(H₂O)]₂[L]·2H₂O (1), [H₄L=(E)-5,5′-(diazene-1,2-diyl) diisophthalic acid] was synthesized via a solvothermal reaction, which has a three-dimensional supramolecular structure. Compound 1 exhibits good chemical and thermal stability, and can effectively detect nitroaromatic explosives (NACs) via a fluorescence quenching effect. Especially for 2,4,6-trinitrophenol, compound 1 has demonstrated very high sensitivity (K_SV=1.9×10⁴ L/mol), low detection limit (LOD=9.6×10⁻⁶ mol/L) and good anti-interference ability. Additionally, Compound 1 also exhibits good selective recognition of Fe³⁺ with excellent anti-interference performance and reusability. Through UV-visible spectroscopy and density functional theory calculations, the fluorescence quenching mechanisms of compound 1 for various analytes are discussed in detail. Based on the above excellent properties of compound 1, it has great application potential in water quality monitoring.

Original language	English
Journal	Chemical Research in Chinese Universities
DOIs	https://doi.org/10.1007/s40242-026-5285-z
State	Accepted/In press - 2026
Externally published	Yes

Keywords

2,4,6-Trinitrophenol
Coordination polymer
Crystal structure
Fe
Fluorescent probe

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10.1007/s40242-026-5285-z

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@article{f86603e2083a4ea58647577e57ad148a,

title = "A Robust Zn-based Coordination Polymer for Ultra-sensitive and Selective Detection of Trace 2,4,6-Trinitrophenol and Fe3+ in Aqueous Solution",

abstract = "A novel Zn-based luminescent coordination polymer [Zn(phen)(H2O)]2[L]·2H2O (1), [H4L=(E)-5,5′-(diazene-1,2-diyl) diisophthalic acid] was synthesized via a solvothermal reaction, which has a three-dimensional supramolecular structure. Compound 1 exhibits good chemical and thermal stability, and can effectively detect nitroaromatic explosives (NACs) via a fluorescence quenching effect. Especially for 2,4,6-trinitrophenol, compound 1 has demonstrated very high sensitivity (KSV=1.9×104 L/mol), low detection limit (LOD=9.6×10−6 mol/L) and good anti-interference ability. Additionally, Compound 1 also exhibits good selective recognition of Fe3+ with excellent anti-interference performance and reusability. Through UV-visible spectroscopy and density functional theory calculations, the fluorescence quenching mechanisms of compound 1 for various analytes are discussed in detail. Based on the above excellent properties of compound 1, it has great application potential in water quality monitoring.",

keywords = "2,4,6-Trinitrophenol, Coordination polymer, Crystal structure, Fe, Fluorescent probe",

author = "Guang Hu and Nanxi Zhang and Xiangyu Li and Liyan Zhao and Xiao Zhang and Xin Li and Xinyi Zhou and Weidong Liu and Liting Wang and Bing Li and Zhang, \{Wang Zixi\} and Minghang L{\"u}",

note = "Publisher Copyright: {\textcopyright} Jilin University, The Editorial Depart-ment of Chemical Research in Chinese Universities and Springer-Verlag GmbH 2026.",

year = "2026",

doi = "10.1007/s40242-026-5285-z",

language = "英语",

journal = "Chemical Research in Chinese Universities",

issn = "1005-9040",

publisher = "Springer Science and Business Media Deutschland GmbH",

}

TY - JOUR

T1 - A Robust Zn-based Coordination Polymer for Ultra-sensitive and Selective Detection of Trace 2,4,6-Trinitrophenol and Fe3+ in Aqueous Solution

AU - Hu, Guang

AU - Zhang, Nanxi

AU - Li, Xiangyu

AU - Zhao, Liyan

AU - Zhang, Xiao

AU - Li, Xin

AU - Zhou, Xinyi

AU - Liu, Weidong

AU - Wang, Liting

AU - Li, Bing

AU - Zhang, Wang Zixi

AU - Lü, Minghang

N1 - Publisher Copyright: © Jilin University, The Editorial Depart-ment of Chemical Research in Chinese Universities and Springer-Verlag GmbH 2026.

PY - 2026

Y1 - 2026

N2 - A novel Zn-based luminescent coordination polymer [Zn(phen)(H2O)]2[L]·2H2O (1), [H4L=(E)-5,5′-(diazene-1,2-diyl) diisophthalic acid] was synthesized via a solvothermal reaction, which has a three-dimensional supramolecular structure. Compound 1 exhibits good chemical and thermal stability, and can effectively detect nitroaromatic explosives (NACs) via a fluorescence quenching effect. Especially for 2,4,6-trinitrophenol, compound 1 has demonstrated very high sensitivity (KSV=1.9×104 L/mol), low detection limit (LOD=9.6×10−6 mol/L) and good anti-interference ability. Additionally, Compound 1 also exhibits good selective recognition of Fe3+ with excellent anti-interference performance and reusability. Through UV-visible spectroscopy and density functional theory calculations, the fluorescence quenching mechanisms of compound 1 for various analytes are discussed in detail. Based on the above excellent properties of compound 1, it has great application potential in water quality monitoring.

AB - A novel Zn-based luminescent coordination polymer [Zn(phen)(H2O)]2[L]·2H2O (1), [H4L=(E)-5,5′-(diazene-1,2-diyl) diisophthalic acid] was synthesized via a solvothermal reaction, which has a three-dimensional supramolecular structure. Compound 1 exhibits good chemical and thermal stability, and can effectively detect nitroaromatic explosives (NACs) via a fluorescence quenching effect. Especially for 2,4,6-trinitrophenol, compound 1 has demonstrated very high sensitivity (KSV=1.9×104 L/mol), low detection limit (LOD=9.6×10−6 mol/L) and good anti-interference ability. Additionally, Compound 1 also exhibits good selective recognition of Fe3+ with excellent anti-interference performance and reusability. Through UV-visible spectroscopy and density functional theory calculations, the fluorescence quenching mechanisms of compound 1 for various analytes are discussed in detail. Based on the above excellent properties of compound 1, it has great application potential in water quality monitoring.

KW - 2,4,6-Trinitrophenol

KW - Coordination polymer

KW - Crystal structure

KW - Fe

KW - Fluorescent probe

UR - https://www.scopus.com/pages/publications/105029679857

U2 - 10.1007/s40242-026-5285-z

DO - 10.1007/s40242-026-5285-z

M3 - 文章

AN - SCOPUS:105029679857

SN - 1005-9040

JO - Chemical Research in Chinese Universities

JF - Chemical Research in Chinese Universities

ER -

A Robust Zn-based Coordination Polymer for Ultra-sensitive and Selective Detection of Trace 2,4,6-Trinitrophenol and Fe³⁺ in Aqueous Solution

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Keywords

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