High‐Hydrophilic NiCoFe–OH Accelerates Charge Interfacial Transfer and Enhances Photoelectrochemical Properties of α‐Fe2O3

IF 3.6 4区 工程技术 Q3 ENERGY & FUELS Energy technology Pub Date : 2024-07-24 DOI:10.1002/ente.202400756
Bin Zhang, Mengnan Ruan, Chengyi Wang, Tingting Zhong, Zhifeng Liu
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引用次数: 0

Abstract

α‐Fe2O3/NiCoFe–OH photoelectrode with high hydrophilicity is obtained by hot alkali etching on the surface of α‐Fe2O3/NiCoFe–LDH. Compared with α‐Fe2O3/NiCoFe–LDH (CO3(OH)16·4H2O), α‐Fe2O3/NiCoFe‐OH photoelectrodes with high hydrophilicity show better photocurrent performance. This improvement is attributed to the highly hydrophilic NiCoFe–OH promoting effective contact between the photoelectrode and the electrolyte, thus enhancing effective carrier separation and migration on the electrode. In these findings, an effective way is provided to improve the photoelectrochemical properties of α‐Fe2O3.
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高亲水性 NiCoFe-OH 可加速电荷界面转移并增强 α-Fe2O3 的光电化学特性
通过在 α-Fe2O3/NiCoFe-LDH 表面进行热碱蚀刻,获得了具有高亲水性的 α-Fe2O3/NiCoFe-OHoe 光电极。与 α-Fe2O3/NiCoFe-LDH (CO3(OH)16-4H2O)相比,高亲水性 α-Fe2O3/NiCoFe-OH 光电极具有更好的光电流性能。这种改善归因于高亲水性 NiCoFe-OH 促进了光电极与电解质之间的有效接触,从而提高了载流子在电极上的有效分离和迁移。这些发现为改善 α-Fe2O3 的光电化学特性提供了一种有效的方法。
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来源期刊
Energy technology
Energy technology ENERGY & FUELS-
CiteScore
7.00
自引率
5.30%
发文量
0
审稿时长
1.3 months
期刊介绍: Energy Technology provides a forum for researchers and engineers from all relevant disciplines concerned with the generation, conversion, storage, and distribution of energy. This new journal shall publish articles covering all technical aspects of energy process engineering from different perspectives, e.g., new concepts of energy generation and conversion; design, operation, control, and optimization of processes for energy generation (e.g., carbon capture) and conversion of energy carriers; improvement of existing processes; combination of single components to systems for energy generation; design of systems for energy storage; production processes of fuels, e.g., hydrogen, electricity, petroleum, biobased fuels; concepts and design of devices for energy distribution.
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Cover Picture Masthead Enhancing Supercapacitor Performance of NiCoMn‐Layered Double Hydroxide with Ag–Citrate/Polyaniline Nanocomposites Cover Picture Masthead
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