Construction of a New Near-Infrared Cobalt Phthalocyanine Platform for the Selective and Sensitive Detection of Thiocyanate Ions

Özgür Yavuz

doi:10.17776/csj.1683087

Construction of a New Near-Infrared Cobalt Phthalocyanine Platform for the Selective and Sensitive Detection of Thiocyanate Ions

Abstract

Thiocyanate (SCN⁻) is an organic anion with various applications; however, it causes serious environmental and health hazards. In this report, a new near-infrared (NIR) chemical sensor based on a phthalocyanine (Pc) platform was devised for the selective, sensitive, and rapid determination of SCN⁻ ions. To enhance the sensor’s longevity, a robust Pc core structure with unique properties was selected. Additionally, a central cobalt (II) ion (Co2+) was incorporated owing to its strong binding affinity for SCN⁻, as previously demonstrated in the literature. The macromolecule DAP-CoPc is the first spectrophotometric probe designed for the selective quantification of SCN⁻ within Pc and porphyrin-based frameworks. The limit of detection (LOD) for the UV–vis titration was determined to be 11.01 μM (0.71 ppm) with a response time of 100 s. Overall, the findings of this study emphasise the exceptional sensing performance of DAP-CoPc, particularly in terms of selectivity, sensitivity, reasonable response time, and durability. This work represents a significant advancement for the development and application of novel NIR sensor platforms for the accurate and fast detection of SCN⁻ in real samples.

Keywords

Thanks

I would like to express my deepest thanks to Prof. Dr. Ismail Yilmaz for providing the research facility.

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Details

Primary Language

English

Subjects

Analytical Spectrometry , Sensor Technology , Inorganic Chemistry (Other)

Journal Section

Research Article

Authors

Özgür Yavuz ^*
0000-0002-0660-7474
Türkiye

Publication Date

December 30, 2025

Submission Date

April 24, 2025

Acceptance Date

November 9, 2025

Published in Issue

Year 1970 Volume: 46 Number: 4

DOI

https://doi.org/10.17776/csj.1683087

IZ

https://izlik.org/JA34BM26WX

Cite

RIS / Bibtex

APA

Yavuz, Ö. (2025). Construction of a New Near-Infrared Cobalt Phthalocyanine Platform for the Selective and Sensitive Detection of Thiocyanate Ions. Cumhuriyet Science Journal, 46(4), 805-811. https://doi.org/10.17776/csj.1683087

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