Determination of doping strategy on the electrochemical performance of the hydrothermally prepared perovskite material

IF 3.2 4区材料科学 Q2 MATERIALS SCIENCE, CERAMICS Journal of Sol-Gel Science and Technology Pub Date : 2024-12-27 DOI:10.1007/s10971-024-06638-9

Soumaya Gouadria, Muhammad Abdullah, F. F. Alharbi, Salma Aman, Hafiz Muhammad Tahir Farid

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Abstract

Clean energy from renewable resources has attained more and more attention in recent years, because of this, there has been a shift in emphasis towards creating renewable, environmentally benign and economically viable alternatives to fossil fuels. However, finding an effective and long-term electrocatalyst for enabling OER in electrochemical water splitting is extremely sought after of this significant challenge. In this study, straightforward and efficient sonication method was employed to produce Sm-doped MnSnO₃ as an electrocatalyst for OER. Furthermore, electrocatalytic properties of Sm-doped MnSnO₃ was quite impressive, with least overpotential (η) of 210 mV needed to attain current density (C_d) of 10 mA cm⁻². In addition, Sm-doped MnSnO₃ electrocatalyst demonstrates least Tafel slope with value of 32 mV dec⁻¹. Further, Sm-doped MnSnO₃ electrocatalyst also exhibits remarkable stability and low impedance characteristics, resulting in improved performance in oxygen evolution reaction (OER). These findings suggest that the current Sm-doped MnSnO₃ has great potential as an electrocatalyst for facilitating the OER in hydrogen energy production.

Graphical Abstract

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掺杂策略对水热法制备钙钛矿材料电化学性能的影响

近年来，来自可再生资源的清洁能源越来越受到重视，因此，重点已转向创造可再生的、无害环境的和经济上可行的矿物燃料替代品。然而，在这一重大挑战中，寻找一种有效且长期的电催化剂来实现电化学水分解中的OER是非常需要的。在本研究中，采用简单高效的超声方法制备了sm掺杂的MnSnO3作为OER的电催化剂。此外，sm掺杂的MnSnO3的电催化性能非常出色，达到10 mA cm−2的电流密度（Cd）所需的过电位（η）最小为210 mV。此外，sm掺杂MnSnO3电催化剂的Tafel斜率最小，为32 mV dec−1。此外，sm掺杂的MnSnO3电催化剂还表现出显著的稳定性和低阻抗特性，从而提高了析氧反应（OER）的性能。这些研究结果表明，目前掺sm的mnnsno3作为促进氢能生产OER的电催化剂具有很大的潜力。图形抽象

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来源期刊

Journal of Sol-Gel Science and Technology 工程技术-材料科学：硅酸盐

CiteScore

4.70

自引率

4.00%

发文量

280

审稿时长

2.1 months

期刊介绍： The primary objective of the Journal of Sol-Gel Science and Technology (JSST), the official journal of the International Sol-Gel Society, is to provide an international forum for the dissemination of scientific, technological, and general knowledge about materials processed by chemical nanotechnologies known as the "sol-gel" process. The materials of interest include gels, gel-derived glasses, ceramics in form of nano- and micro-powders, bulk, fibres, thin films and coatings as well as more recent materials such as hybrid organic-inorganic materials and composites. Such materials exhibit a wide range of optical, electronic, magnetic, chemical, environmental, and biomedical properties and functionalities. Methods for producing sol-gel-derived materials and the industrial uses of these materials are also of great interest.