Ratiometric fluorescent probe for triphosgene detection and its application in electrospun fluorescent fibers

IF 4.3 2区化学 Q1 SPECTROSCOPY

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy Pub Date : 2025-04-01 DOI:10.1016/j.saa.2025.126149

Mengyu Chen , Cuibing Bai , Wenhui Xue, Xin Wang, Shizhen Wang, Qixiang Song, Xinyu Wang, Chenxu Liu, Lin Zhang, Biao Wei, Hui Miao, Rui Qiao

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引用次数: 0

Abstract

Triphosgene poses a potentially great threat to human health and safety. Therefore, it is of great significance to develop an effective method to realize the inexpensive, on-site, convenient, and rapid detection of triphosgene. Herein, based on the excited-state intramolecular proton transfer mechanism, a new fluorescent probe DPIM was designed and synthesized, which realized the rapid ratiometric identification and detection of triphosgene for the first time. Its limit of detection for triphosgene was 3.54 × 10⁻⁸ M, and it had a large Stokes shift of 198 nm. Its recognition mechanism was comprehensively analyzed. A smartphone detection platform and probe-loaded test paper were prepared to realize the inexpensive, on-site, and convenient detection of triphosgene. DPIM effectively enabled the ratiometric fluorescence “turn-on” for detecting residual triphosgene in the sand, showing its application practicality. Most importantly, the probe was incorporated into nanofibers and successfully used to monitor gaseous triphosgene with high specificity, showing its excellent application potential. This study provides a promising analytical tool for the rapid quantitative detection of triphosgene in solution and gaseous phases.

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来源期刊

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 物理-光谱学

CiteScore

8.40

自引率

11.40%

发文量

1364

审稿时长

40 days

期刊介绍： Spectrochimica Acta, Part A: Molecular and Biomolecular Spectroscopy (SAA) is an interdisciplinary journal which spans from basic to applied aspects of optical spectroscopy in chemistry, medicine, biology, and materials science. The journal publishes original scientific papers that feature high-quality spectroscopic data and analysis. From the broad range of optical spectroscopies, the emphasis is on electronic, vibrational or rotational spectra of molecules, rather than on spectroscopy based on magnetic moments. Criteria for publication in SAA are novelty, uniqueness, and outstanding quality. Routine applications of spectroscopic techniques and computational methods are not appropriate. Topics of particular interest of Spectrochimica Acta Part A include, but are not limited to: Spectroscopy and dynamics of bioanalytical, biomedical, environmental, and atmospheric sciences, Novel experimental techniques or instrumentation for molecular spectroscopy, Novel theoretical and computational methods, Novel applications in photochemistry and photobiology, Novel interpretational approaches as well as advances in data analysis based on electronic or vibrational spectroscopy.