Reusable photo-crosslinked acrylate networks incorporating coumarin and S-CQDs for trace-level picric acid detection

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dc.authorid0000-0002-7090-8909
dc.authorid0000-0002-7869-1281
dc.authorid0009-0004-6294-6819
dc.authorid0000-0003-4002-6574
dc.authorid0000-0003-1043-6476
dc.contributor.authorToprak, Yunus Emre
dc.contributor.authorBulut, Mustafa
dc.contributor.authorArtuç, Gamze Özgül
dc.contributor.authorUyumaz Cengiz, Fatmanur
dc.contributor.authorÇubuk, Soner
dc.contributor.authorKahraman, Memet Vezir
dc.date.accessioned2026-10-23T16:07:12Z
dc.date.available2026-10-23T16:07:12Z
dc.date.issued2026
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Kimya Mühendisliği Bölümü
dc.description.abstractTranslating liquid-based luminescent nanomaterials into functional solid-state systems remains a major hurdle in environmental analysis. To address this limitation, this work presents the development of a structurally durable, multi-component polymeric sensor specifically engineered for the trace-level recognition of picric acid (PA). The sensing platform was formulated by embedding heteroatom-modified carbon nanodots (S-CQDs) alongside a custom-synthesized acrylated coumarin precursor within a tightly cross-linked UV-cured acrylate matrix. By confining the active phase within this polymeric architecture, the water-dispersible quantum dots are retained within a solid support while preserving their luminescent behavior. Upon exposure to PA, the formulated composite film (F2) exhibits pronounced fluorescence attenuation. The observed quenching is interpreted as an association-assisted process with possible contributions from photoinduced electron transfer (PET) and spectral- overlap-related effects. Under the optimized conditions, the sensor exhibited a linear response over 9.70 × 10 8–4.05 ×10 6 mol L 1 (R2 =0.9924), with a limit of detection of 2.25 ×10 8 mol L 1, a limit of quanti fication of 7.50 ×10 8 mol L 1, and a response time of approximately 20 s. The F2 film showed preferential fluorescence quenching toward PA compared with the investigated metal ions, aromatic species, and nitro aromatic compounds. The film retained approximately 95% of its baseline emission after 150 sensing/regener ation cycles and after two months of ambient storage. Practical applicability was demonstrated using real soil samples spiked with PA prior to extraction, yielding recoveries of 98.5–102.4% with RSD values of 1.4–2.1%. These results support the use of the S-CQD/acrylated-dicoumarin acrylate film as a reusable solid-state fluo rescence platform for PA determination.
dc.identifier.citationToprak, Y. E., Bulut, M., Artuç, G. Ö., Uyumaz Cengiz, F., Çubuk, S., & Kahraman, M. V. (2026). Reusable photo-crosslinked acrylate networks incorporating coumarin and S-CQDs for trace-level picric acid detection. Progress in Organic Coatings, 221, pp. 1-13. https://doi.org/10.1016/j.porgcoat.2026.110621
dc.identifier.doi10.1016/j.porgcoat.2026.110621
dc.identifier.endpage13
dc.identifier.issn1873-331X
dc.identifier.issn0300-9440
dc.identifier.scopus2-s2.0-105049850814
dc.identifier.scopusqualityQ1
dc.identifier.startpage1
dc.identifier.urihttps://doi.org/10.1016/j.porgcoat.2026.110621
dc.identifier.urihttps://hdl.handle.net/20.500.13055/1682
dc.identifier.volume221
dc.identifier.wosWOS:001876884000001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.indekslendigikaynak.otherSCI-E - Science Citation Index Expanded
dc.institutionauthorArtuç, Gamze Özgül
dc.institutionauthorid0000-0002-7869-1281
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofProgress in Organic Coatings
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectSulfur-Functionalized Carbon Quantum Dots
dc.subjectAcrylated Dicoumarin
dc.subjectUV-Cured Polymer Film
dc.subjectPicric Acid
dc.subjectFluorescence Sensing
dc.subjectReusable Sensor
dc.titleReusable photo-crosslinked acrylate networks incorporating coumarin and S-CQDs for trace-level picric acid detection
dc.typeArticle
dspace.entity.typePublication

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