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Related Experiment Video

Updated: Sep 22, 2025

Fabrication of Spatially Confined Complex Oxides
08:45

Fabrication of Spatially Confined Complex Oxides

Published on: July 1, 2013

9.7K

Puffing ultrathin oxides with nonlayered structures.

Kaisi Liu1, Hongrun Jin1, Liwei Huang1

  • 1Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China.

Science Advances
|May 20, 2022
PubMed
Summary

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Researchers developed a new method to create ultrathin oxide nanosheets, enabling the study of 2D oxide materials for diverse applications. This technique fabricates 36 types of 2D oxides, including perovskites with excellent catalytic activity.

Area of Science:

  • Materials Science
  • Nanotechnology
  • Chemistry

Background:

  • Two-dimensional (2D) oxides possess unique properties valuable for various applications.
  • Fabricating 2D oxides is challenging, especially for non-layered structures.

Purpose of the Study:

  • To develop a facile, universal, and scalable strategy for synthesizing ultrathin oxide nanosheets.
  • To expand the library of accessible 2D oxide materials for scientific research and technological applications.

Main Methods:

  • Utilized a self-formed sacrificial template of carbon layers.
  • Leveraged the Maillard reaction and redox reactions between glucose and ammonium nitrate for synthesis.
  • Demonstrated the fabrication of 36 distinct large-area ultrathin oxides (1.5-4 nm thickness).

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Fabrication of Nano-engineered Transparent Conducting Oxides by Pulsed Laser Deposition
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Fabrication of Nano-engineered Transparent Conducting Oxides by Pulsed Laser Deposition

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Bulk and Thin Film Synthesis of Compositionally Variant Entropy-stabilized Oxides
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Bulk and Thin Film Synthesis of Compositionally Variant Entropy-stabilized Oxides

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Related Experiment Videos

Last Updated: Sep 22, 2025

Fabrication of Spatially Confined Complex Oxides
08:45

Fabrication of Spatially Confined Complex Oxides

Published on: July 1, 2013

9.7K
Fabrication of Nano-engineered Transparent Conducting Oxides by Pulsed Laser Deposition
10:27

Fabrication of Nano-engineered Transparent Conducting Oxides by Pulsed Laser Deposition

Published on: February 27, 2013

15.7K
Bulk and Thin Film Synthesis of Compositionally Variant Entropy-stabilized Oxides
09:41

Bulk and Thin Film Synthesis of Compositionally Variant Entropy-stabilized Oxides

Published on: May 29, 2018

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Main Results:

  • Successfully synthesized a wide range of ultrathin oxides, including rare-earth, transition metal, main group, perovskite, and high-entropy oxides.
  • Achieved thicknesses ranging from approximately 1.5 to 4 nm.
  • Perovskite oxide nanosheets showed significant electrocatalytic activity for oxygen evolution reactions in alkaline solutions.

Conclusions:

  • The presented method is facile, universal, and scalable for producing ultrathin oxide nanosheets.
  • This strategy opens new avenues for exploring the properties and applications of atomically thin oxide nanomaterials.
  • The synthesized materials, particularly perovskite oxides, show promise for energy-related catalytic applications.