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journal article·2024-05Open access

Maximizing Photoelectrochemical Performance in Metal‐Oxide Hybrid Composites via Amorphous Exsolution—A New Exsolution Mechanism for Heterogeneous Catalysis (Small 18/2024)

Myeong‐Jin Kim, Mostafa Afifi Hassan, Changhoon Lee, Wan‐Gil Jung, Hyojung Bae, SungHyun Jeon, WooChul Jung, Jun‐Seok Ha, Ji Hoon Shim, Jae‐Hoon Park, Sang‐Wan Ryu, Bong‐Joong Kim

Small· Volume 20· Issue 18
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Source abstract

Abstract

Heterogeneous Catalysis In article number 2308934, Bong-Joong Kim and co-workers devise a method to exsolve metal dopants from amorphous perovskite oxides, followed by the crystallization of these oxides through vacuum-annealing at elevated temperatures. This process extracts all heavily doped Co atoms from SrTiO3, resulting in uniformly distributed, high-density CoO nanoparticles embedded in the oxide support, providing structural stability, and enhancing photoelectrochemical performance.
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Research context

NanomaterialsElectronic materialsCompositesCatalysis & surfacesMaterials processing

OpenAlex topics: Advanced Photocatalysis Techniques · Advanced Nanomaterials in Catalysis · Catalytic Processes in Materials Science

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Affiliations

School of Materials Science and Engineering Gwangju Institute of Science and Technology (GIST) 123 Cheomdangwagi‐ro, Buk‐gu Gwangju 61005 Soth Korea

Department of Physics Faculty of Science New Valley University El‐ Kharja 72511 Egypt

Max Planck POSTECH Center for Complex Phase of Materials Pohang University of Science and Technology Pohang 37673 South Korea

Division of Advanced Materials Science Pohang University of Science and Technology Pohang 37673 South Korea

Korea Basic Science Institute Gwangju 61186 South Korea

Korea Photonics Technology Institute (KOPTI) Cheomdanbencheo‐ro 108 beon‐gil 9, Buk‐gu Gwangju 61007 South Korea

Department of Materials Science and Engineering Korea Advanced Institute of Science and Technology (KAIST) 291 Daehak‐ro, Yuseong‐gu Daejeon 34141 South Korea

School of Chemical Engineering Chonnam National University Gwangju 61186 South Korea

Department of Chemistry Pohang University of Science and Technology (POSTECH) Pohang 790‐784 South Korea

Department of Physics Pohang University of Science and Technology Pohang 37673 South Korea

Department of Physics Chonnam National University Gwangju 61186 South Korea

References

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