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Mass production of two-dimensional oxides by rapid heating of hydrous chlorides

Author

Listed:
  • Chunsong Zhao

    (State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University)

  • Haitian Zhang

    (State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University)

  • Wenjie Si

    (State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University)

  • Hui Wu

    (State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University)

Abstract

Two-dimensional (2D) nanoscale oxides have attracted research interest owing to their electronic, magnetic optical and catalytic properties. If they could be manufactured on a large scale, 2D oxides would be attractive for applications ranging from electronics to energy conversion and storage. Herein, we report facile fabrication of oxide nanosheets by rapid thermal annealing of corresponding hydrous-chloride compounds. By heating CrCl3·6H2O, ZrOCl2·8H2O, AlCl3·6H2O and YCl3·6H2O crystals as precursors, we immediately collect large quantities of ultrathin Cr2O3, ZrO2, Al2O3 and Y2O3 nanosheets, respectively. The formation of layered nanosheets relies on exfoliation driven by rapid evaporation of water and/or other gas molecules generated under annealing. Our route allows simple, efficient and inexpensive production of 2D oxides. As a demonstration, we evaluate Cr2O3 nanosheets prepared by our method as anodes in lithium-ion batteries and find superior performance in comparison with their microcrystalline counterparts.

Suggested Citation

  • Chunsong Zhao & Haitian Zhang & Wenjie Si & Hui Wu, 2016. "Mass production of two-dimensional oxides by rapid heating of hydrous chlorides," Nature Communications, Nature, vol. 7(1), pages 1-8, November.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms12543
    DOI: 10.1038/ncomms12543
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    Cited by:

    1. Eisuke Yamamoto & Daiki Kurimoto & Kentaro Ito & Kohei Hayashi & Makoto Kobayashi & Minoru Osada, 2024. "Solid-state surfactant templating for controlled synthesis of amorphous 2D oxide/oxyhydroxide nanosheets," Nature Communications, Nature, vol. 15(1), pages 1-9, December.

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