BENZO[B]TİYOFEN BAZLI ORGANİK BİLEŞİKLERİN SENTEZİ VE ANOT KATALİZÖRÜ OLARAK HİDRAZİN ELEKTROOKSİDASYON PERFORMANSI

Year 2024, Volume: 32 Issue: 2, 1356 - 1362, 12.08.2024

Ömrüye Özok Arıcı , Şefika Kaya , Aykut Çağlar , Hilal Demir Kıvrak , Arif Kıvrak

https://doi.org/10.31796/ogummf.1437602

Abstract

Bu çalışmada Sonagashira bağlanma reaksiyonları ve elektrofilik siklizasyon reaksiyonları kullanılarak 3-iodo-2-(p-tolil)benzo[b]tiyofen (4C) sentezlendi. Elektrokimyasal ölçümler, 1 M KOH + 0,5M N2H4 çözeltisi ortamında, döngüsel voltametri (CV), kronoamperometri (CA), elektrokimyasal empedans spektroskopisi (EIS) gibi elektrokimyasal yöntemler kullanılarak gerçekleştirilmiştir. Elde edilen CV sonuçları, 4C katalizörünün en iyi akımın (15.40 mA/cm2) üretimini desteklediğini gösterdi ve EIS sonuçları, aynı türevle modifiye edilen elektrotun en düşük yük transfer direncine sahip olduğunu göstermektedir. Birlikte ele alındığında, bu sonuçlar 4C organik katalizörünün hidrazin (N2H4) yakıt hücrelerinde anot açısından verimli bir katalizör olarak kullanılabileceğini göstermektedir.

Keywords

Enerji, Yakıt hücresi, Hidrazin, Benzotiyofen, Paladyum

SYNTHESIS OF BENZO[B]THIOPHENE-BASED ORGANIC COMPOUNDS AND THEIR HYDRAZINE ELECTROOXIDATION PERFORMANCE AS AN ANODE CATALYST

Abstract

In this study, 3-iodo-2-(p-tolyl)benzo[b]thiophene (4C) is synthesized by using Sonagashira coupling reactions and electrophilic cyclization reactions. Electrochemical measurements have been performed using electrochemical methods such as cyclic voltammetry (CV), chronoamperometry (CA) and electrochemical impedance spectroscopy (EIS) in the environment of 1 M KOH + 0.5M N2H4 solution. The CV results obtained showed that 4C catalyst promoted the generation of the best current (15.40 mA/cm2), and EIS results confirmed that electrode modifeed with the same derivative presented the lowest charge transfer resistance. Taken together, these results suggest that 4C organocatalyst could be used as an anode efficient catalyst in hydrazine (N2H4) fuel cells.

Keywords

Energy, Fuel cell, Hydrazine, Benzothiophene, Palladium

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