Voltammetric characterisation of the self-assembled monolayers (SAMs) of benzyl- and dodecyl-mercapto tetra substituted metallophthalocyanines complexes

Abstract

Voltammetric characterisations of cobalt, iron, manganese, nickel and zinc phthalocyanine complexes tetra substituted with benzyl-and dodecyl-mercapto ring substituents and immobilisation on gold electrodes via the self-assembling technique are

Comparative electrocatalytic behavior of self-assembled monolayer of thiol derivatised Co (II) phthalocyanines on gold disk, ultramicro cylinder and fiber electrodes

“…Figure 2b shows that complex 1-SAM exhibits more blockage of the gold oxidation/reduction process in 1 9 10 -5 mol cm -3 KOH compared to complex 2-SAM which still shows the presence of gold oxide peaks (though small) even after modification, hence suggesting larger ion permeability for the latter. The broad peaks between ?0.25 and 0.4 V are most probably due to the Co III Pc -2 /Co II Pc -2 process, in comparison with literature for adsorbed thio substituted CoPc complexes [29,30]. Figure 2c shows the inhibition of the Fe …”

Electrooxidation of Chlorophenols Catalyzed by Nickel Octadecylphthalocyanine Adsorbed on Single‐Walled Carbon Nanotubes

“…Hence in this work, the two electrocatalysts (SWCNT and MPc) are employed together with the aim of exploiting their combined activities towards the detection of chlorophenols. In this work NiPc(C 10 H 21 ) 8 is chosen since MPc containing long chain alkyl substituents were found to be better electrode modifiers than aryl substituents [30]. NiPc(C 10 H 21 ) 8 is adsorbed onto SWCNT via p-p interaction.…”

Electrochemical Sensing of Acyclovir at a Gold Electrode Modified with 2-Mercaptobenzothiazole–[5,10,15,20-tetrakis-(3-methoxy-4-hydroxyphenyl)porphyrinato]copper(II)

“…23 The advantages of SAM modified GE using different metallophthalocyanine complexes have been reported by Nyokong and coworkers for the determination of several analytes. [24][25][26][27][28] As part of our investigations, we report strategies The electrooxidation of acyclovir (ACV) was studied using a gold electrode (GE) modified with a self-assembled monolayer of 2-mercaptobenzothiazol (MBZ) and [5,10,15,20- to link metalloporphyrin, TMHPP Cu(II) to the MBZ modified GE through adsorption. To the best of our knowledge, no studies on the electrochemical behavior of ACV and its quantitative determination at MBZ/TMHPP Cu(II)-modified GE have been reported yet.…”