Coumarin-Benzothiazole Hydrazone for Probing of Latent Fingerprints and Anti-Counterfeiting Applications

被引：2

作者：

Basavaraju, Manjuantha ^{[1
]}

Bodke, Yadav D. ^{[1
]}

Kumar, Naveen ^{[2
]}

机构：

[1] Kuvempu Univ, Dpet PG Studies & Res Chem, Shivamogga 577451, Karnataka, India

[2] PG Ctr, Dpet PG Studies & Res Chem, Kadur 577458, Karnataka, India

来源：

CHEMISTRYSELECT | 2022年 / 7卷 / 25期

关键词：

AIE behaviour; Anti-counterfeiting application; Computational study; Coumarin-Benzothiazole hydrazone; LFPs sensing; AZO DYES SYNTHESIS; VISUALIZATION; AIE; NANOPOWDERS; DESIGN;

D O I：

10.1002/slct.202200738

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this work, we utilized a simple condensation process for the effective synthesis of coumarin hydrazone fluorescent tag (CHFT) and the evidence for the formation of CHFT was given through FT-IR, H-1-NMR, HRMS, UV-Vis and Photoluminescence (PL) spectroscopy. Quantum chemical parameters and molecular electrostatic potential were assessed using DFT investigations. CHFT was found to be aggregation induced emission (AIE) active and exhibited strong cyan blue emission with large stokes shift. The optical band gap (Eg) value was determined by Kubelka-Munk theory. The latent fingerprints (LFPs) developed by synthesized coumarin, exhibited excellent sensitivity, selectivity and low background hindrance on various material surfaces. Further, the synthesised CHFT was employed in anti-counterfeiting applications.

引用

页数：9

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