In Situ Electrochemical Production of Metal‐organic Hybrid Composite Film from Nickel Containing Polyoxometalate and 3,4‐Ethylenedioxy‐thiophene for Sensor Application

Abstract

In situ electrochemical synthesis of an organic‐inorganic hybrid material composed of poly(3,4‐ethylenedioxythiophene) (PEDOT) and nickel‐based Keggin type polyoxometalate, K7[NiIIINiII(H2O)W11O39].15H2O(NiPOM), has been proposed here. The remarkable optical and electrical properties of the PEDOT and the unique redox properties of NiPOM have synergistically combined to make the hybrid structure highly desired multi‐functional materials for a myriad of applications. The driving force for the formation of hybrid structure is thought to be electrostatic interactions between POM anions and cationic polaron/bipolaron structures that in the PEDOT. PEDOT/NiPOM based hybrid composite modified graphite electrode has been used for non‐enzymatic glucose sensor platform as a sample of applications. Furthermore, PEDOT/NiPOM based sensor platform was successfully utilized for detection of glucose content with the lowest detection limit in real samples like honey and milk. These results suggest that PEDOT/NiPOM metal‐organic hybrid composite could be utilized as multi‐functional material for a myriad of applications.

2,5-Thiophenedicarboxylic Acid Bridging Hexameric CeIII-Substituted Selenotungstate and Its Application for Detecting Mucin 1

“…Therefore, these properties of POMs can be reasonably exploited to encapsulate POMs in cationic conductive polymer films by electrostatic interactions. In this work, the 1 -PEDOT film was fabricated by referring to the EPM method in the published literature. , …”

“…In this work, the 1-PEDOT film was fabricated by referring to the EPM method in the published literature. 52,53 In the first place, the 1-PEDOT composite films on the glassy carbon electrode (GCE) or indium-tin oxide (ITO) were prepared by the EPM method in the preparation solution (NaCIO 4 , EDOT, and 1) using cyclic voltammetry (CV) in the potential range from −0.2 to 1.2 V with a scan rate of 100 mV s −1 . Afterward, the preparative conditions of 1-PEDOT composite films were optimized, including the dosage of 1 (0, 10, 20, and 40 mg) and the number of the EPM sweep cycles (10, 20, and 30 cycles).…”

Electrochemical Behaviour of (n‐Bu4N)4[AsVMo11O40] and (n‐Bu4N)4[AsV2Mo10O40] Doped PEDOT Film and Its Quartz Crystal Microbalance Studies

“…[32] Moreover, the combination of PEDOT and the unique redox properties of POM could be utilised for various photo/ electro-chemical applications. [33] In this paper, the electrochemical behaviour of both (n-Bu We believe that this approach of forming a hybrid film with unique optical and electrical properties of EDOT monomer is appropriate for the synthesis of stable nanoscale-based electrocatalysts for HER, ORR, and a variety of other electro/photo-chemical applications. Both POMs were prepared by the reported method [34] with minor modifications as follows: A 0.78 g quantity of Na 2 HAsO 4 • 7H 2 O was added to a solution of 6.05 g of Na 2 MoO 4 • 2H 2 O in 220 ml of water, followed by the addition of 21.7 ml of concentrated HCl.…”

“…Keggin‐type POMs dopped with PEDOT were proven as promising materials for electrochromic devices [32] . Moreover, the combination of PEDOT and the unique redox properties of POM could be utilised for various photo/electro‐chemical applications [33] …”