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Journals / Gazi University Journal of Science / 2017 / Volume: 30 Issue: 4

Theoretical study of the structure and tautomerism of an asymmetric diimine Schiff base, preparation and characterization of its modified electrode

Demet Uzun
Ebru Aktan
Özlem Güngör Özdemir
Erdoğan Hasdemir
Pages
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Publication Date
2017-12-11
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Electrochemical impedance results showed that the modified surface blocked the electron transfer with a 98.9% surface coverage value.

📌 3 Key Takeaways

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Objective & Hypothesis:An asymmetric diimine Schiff base, 2-((E)-4-((E) -2-hydroxybenzylideneamino) benzylideneamino) phenol, was covered to a glassy carbon (GC) electrode surface in nonaqueous medium to fabricate a modified electrode.
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Key Findings & Data:C yclic voltammetry was applied for the surface modification experiments in 1 mM diimine solution.
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Conclusion & Impact:Electrochemical impedance results showed that the modified surface blocked the electron transfer with a 98.9% surface coverage value.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Modification · Electrochemical Impedance Spectroscopy · Contact Angle

Abstract

An asymmetric diimine Schiff base, 2-((E)-4-((E) -2-hydroxybenzylideneamino) benzylideneamino) phenol, was covered to a glassy carbon (GC) electrode surface in nonaqueous medium to fabricate a modified electrode. C yclic voltammetry was applied for the surface modification experiments in 1 mM diimine solution. Cyclic voltammetry , contact angle measurement, electrochemical impedance spectroscopy and X-ray photoelectron spectroscopy techniques were employed to characterize the modified GC (diimine-GC) surface. Electrochemical impedance results showed that the modified surface blocked the electron transfer with a 98.9% surface coverage value. Additionally, theoretical study was performed to gain insight into the structural and tautomeric aspects of the diimine Schiff base. The phenol-imine and keto-amine tautomerism forms of the diimine Schiff base were investigated by using DFT calculations.

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Cite This Article

Uzun, D., Aktan, E., Özdemir, Ö. G., Hasdemir, E. (2017). Theoretical study of the structure and tautomerism of an asymmetric diimine Schiff base, preparation and characterization of its modified electrode. Gazi University Journal of Science, Volume: 30 Issue: 4. https://ajindex.com/articles/1269324

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