Facile synthesis of novel Ag@cerium zirconate heterostructure for efficient oxygen evolution reaction

被引：11

作者：

Khan, Muhammad Tahseen Nawaz ^{[1
]}

Ahmed, Farooq ^{[2
]}

Houda, Sara ^{[3
]}

Manzoor, Sumaira ^{[4
]}

Hasnain, Khuram ^{[4
]}

Zahra, Manzar ^{[1
]}

Hussain, Riaz ^{[5
]}

Ansari, Mohd Zahid ^{[6
]}

Hegazy, H. H. ^{[7
,8
]}

Ashiq, Muhammad Naeem ^{[4
]}

机构：

[1] Lahore Garrison Univ, Dept Chem, Lahore, Pakistan

[2] Dhofar Univ, Coll Engn, Mech Engn Dept, Salalah, Oman

[3] Amer Univ Middle East, Coll Engn & Technol, Salmiya, Kuwait

[4] Bahauddin Zakariya Univ, Inst Chem Sci, Multan 60800, Pakistan

[5] Univ Educ, Dept Chem, D G Khan Campus, Lahore, Pakistan

[6] Yeungnam Univ, Sch Mat Sci & Engn, Gyongsan 712749, Gyeongbuk, South Korea

[7] King Khalid Univ, Fac Sci, Dept Phys, POB 9004, Abha, Saudi Arabia

[8] Al Azhar Univ, Fac Sci, Dept Phys, Assiut 71524, Egypt

来源：

SURFACES AND INTERFACES | 2022年 / 35卷

关键词：

Water splitting; Synergistic effect; Electrolysis; Oxygen evolution reaction; WATER OXIDATION; COBALT OXIDE; IN-SITU; ELECTROCATALYSTS;

D O I：

10.1016/j.surfin.2022.102410

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Electrochemical water splitting is the best option for a clean hydrogen energy carrier to replace the fossil fuels. For this purpose, multifunctional and long lasting electrocatalyst has been developed. This study shows the preparation of Ag@cerium zirconate heterostructure acting as a prospective electrocatalyst for the OER in an alkaline medium. Studied by employing different techniques, such as X-ray diffraction, Fourier transforms infrared spectroscopy, Raman spectroscopy, scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy, and X-ray photoelectron microscopy. The catalytic activity based on structural properties is due to rapid electron transfer, high electroactive surface area, and efficient chemical coupling among cerium zirconate and silver. Hence, drop costing deposited material on nickel foam (NF) dis-played small onset potential (1.48 V), Tafel slope (64 mV dec(-)1), and overpotential (203 mV), achieving a current density of 10 mA cm(-2) with significantly high stability of 4000 cycles. This work opens the door for effective and durable electrolysis in the alkaline electrolyte; to the best of our knowledge, the is reported for the first time.

引用

页数：10