Surfactant-Promoted Prussian Blue Analogues Fabricated Electrodes for Electrocatalytic Water Oxidation | [Proceedings of the Pakistan Academy of Sciences: B. Life and Environmental Sciences • 2023]

Author(s):

1. Sana Ibadat: Department of Chemistry, Quaid-i-Azam University,45320 Islamabad,Pakistan

2. Hafiza Tauseef Ashfaq: Department of Chemistry, Quaid-i-Azam University,45320 Islamabad,Pakistan

3. Ruqia: Department of Chemistry, Quaid-i-Azam University,45320 Islamabad,Pakistan

4. Muhammad Adeel Asghar: Department of Chemistry, Quaid-i-Azam University,45320 Islamabad,Pakistan

5. Ali Haider: Department of Chemistry, Quaid-i-Azam University,45320 Islamabad,Pakistan

6. Saqib Ali: Department of Chemistry, Quaid-i-Azam University,45320 Islamabad,Pakistan

Abstract:

Prussian blue analogues (PBAs) have unique structural and chemical behaviour and therefore have applications in various fields of catalysis as energy conversion materials for storage devices and molecular sensing. Herein we focused on the in-situ synthesis of three PBAs comprising cobalt hexacyanoferrate (CoHCF), nickel hexacyanoferrate (NiHCF), and cobalt-nickel hexacyanoferrate (CoNiHCF) through cation i.e. cetyltrimethylammonium bromide (CTAB) assisted drop cast method. The electrocatalysts were characterized through a multitude of spectroscopic techniques and were tested for water oxidation study. It was found that among the three electrocatalysts, CoNiHCF showed comparatively better catalytic performance with an overpotential value of 570 mV (at 1 mA cm-2)

Page(s): 549-555

DOI: 10.53560/PPASB(60-3)834

Published: Journal: Proceedings of the Pakistan Academy of Sciences: B. Life and Environmental Sciences, Volume: 60, Issue: 3, Year: 2023

Keywords:

cetyltrimethylammonium bromide , Water Oxidation Studies , Cationic Surfactants , Prussian Blue Analogues , Coordination Polymers

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