A fluorescently-doped thermoplastic polymer as a proof-of-principle device for the detection and capture of H2S and its HS− anion

IF 4.1 3区化学 Q2 CHEMISTRY, PHYSICAL

Journal of Photochemistry and Photobiology A-chemistry Pub Date : 2024-08-29 DOI:10.1016/j.jphotochem.2024.115993

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Abstract

Mono and dinuclear Zn(salen-type) complexes 1 and 2 are presented as efficient sensing and adsorption materials for HS^-. The addition of HS⁻ provokes colorimetric and fluorometric changes, useful for optical absorption and fluorescence analyses. Moreover, the limit of detection for HS⁻ for both complexes falls in the sub-micromolar range of concentration. The adsorption/desorption process of HS^- nanoporous crystalline sulfonated polyphenyleneoxide (NC-sPPO) films doped with Zn(salen-type) complexes and an interesting recycling-potential of this system in the detection of hydrogen sulfide, even over time, was proven. The presented results provide proof-of-principle that a fluorescent complex immobilized in a suitable thermoplastic polymer could be the right material to use in a HS^- measuring device that might lead to new developments in the field of optical sensing.

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一种荧光掺杂的热塑性聚合物，作为检测和捕获 H2S 及其 HS- 阴离子的原理验证装置

单核和双核锌（沙仑型）配合物 1 和 2 可作为高效的 HS- 传感和吸附材料。加入 HS- 后会产生比色和荧光变化，可用于光学吸收和荧光分析。此外，这两种复合物对 HS- 的检测限都在亚微摩浓度范围内。掺杂了 Zn（salen-type）络合物的 HS- 纳米多孔结晶磺化聚苯氧化物（NC-sPPO）薄膜的吸附/解吸过程，以及该系统在检测硫化氢方面有趣的循环潜力，甚至随着时间的推移，都得到了证实。所展示的结果提供了一个原则性证明，即固定在合适的热塑性聚合物中的荧光复合物可能是用于硫化氢测量设备的合适材料，这可能会带来光学传感领域的新发展。

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来源期刊

Journal of Photochemistry and Photobiology A-chemistry 化学-物理化学

CiteScore

7.90

自引率

7.00%

发文量

580

审稿时长

48 days

期刊介绍： JPPA publishes the results of fundamental studies on all aspects of chemical phenomena induced by interactions between light and molecules/matter of all kinds. All systems capable of being described at the molecular or integrated multimolecular level are appropriate for the journal. This includes all molecular chemical species as well as biomolecular, supramolecular, polymer and other macromolecular systems, as well as solid state photochemistry. In addition, the journal publishes studies of semiconductor and other photoactive organic and inorganic materials, photocatalysis (organic, inorganic, supramolecular and superconductor). The scope includes condensed and gas phase photochemistry, as well as synchrotron radiation chemistry. A broad range of processes and techniques in photochemistry are covered such as light induced energy, electron and proton transfer; nonlinear photochemical behavior; mechanistic investigation of photochemical reactions and identification of the products of photochemical reactions; quantum yield determinations and measurements of rate constants for primary and secondary photochemical processes; steady-state and time-resolved emission, ultrafast spectroscopic methods, single molecule spectroscopy, time resolved X-ray diffraction, luminescence microscopy, and scattering spectroscopy applied to photochemistry. Papers in emerging and applied areas such as luminescent sensors, electroluminescence, solar energy conversion, atmospheric photochemistry, environmental remediation, and related photocatalytic chemistry are also welcome.