Exsolution of Fe-based pyramidal nanostructures from a noble metal doped perovskite matrix

IF 4.6 3区 材料科学 Q2 CHEMISTRY, MULTIDISCIPLINARY
Deblina Majumder, Shailza Saini, William S. J. Skinner, Alex Martinez Martin, Gwilherm Kerherve, David J. Payne, Debayan Mondal, Evangelos I. Papaioannou and Kalliopi Kousi
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Abstract

Homogeneous pyramidal oxide exsolution is demonstrated for the first time leveraging a La0.05Ag0.05Sr0.90FeO3 perovskite. The impressive structures were comprehensively characterised using XRD, SEM, TEM, XPS, and DFT to reveal their structural and chemical identity. The hierarchical oxide formation highlights the potential of exsolution as a nano-engineering method for developing oxide-based catalysts.

Abstract Image

从贵金属掺杂钙钛矿基质中析出铁基锥体纳米结构。
利用La0.05Ag0.05Sr0.90FeO3钙钛矿首次证明了均匀的金字塔状氧化物析出。利用XRD、SEM、TEM、XPS和DFT对这些令人印象深刻的结构进行了全面表征,揭示了它们的结构和化学特性。层次化的氧化物形成突出了溶出法作为开发氧化物基催化剂的纳米工程方法的潜力。
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来源期刊
Nanoscale Advances
Nanoscale Advances Multiple-
CiteScore
8.00
自引率
2.10%
发文量
461
审稿时长
9 weeks
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