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Issue 6, 2019
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From gallium-based supramolecular square nanoplates to γ-Ga2O3 layer nanosheets

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Abstract

In this work, a facile grinding method for preparation of supramolecular square nanoplates formed by β-cyclodextrin and gallium acetylacetonate was developed. The nanoplates exhibited a highly monodispersed distribution nature at room temperature, and were self-assembled to form supramolecular layer nanosheets at 353 K. Heating to higher temperatures such as 673 K led to the decomposition of the layer nanosheets into γ-Ga2O3 layer nanosheets. The γ-Ga2O3 nanosheets (thickness of about 15 nm) with a very high specific surface area (93.9 m2 g−1) show an improved solar-blind detection performance (e.g., light–dark ratio, 1.64 × 104) compared to devices based on 3D structured γ-Ga2O3. We believe that the grinding-heating-strategy provides a convenient and efficient route to synthesize high-quality supramolecular nanocrystals and inorganic nanomaterials.

Graphical abstract: From gallium-based supramolecular square nanoplates to γ-Ga2O3 layer nanosheets

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Publication details

The article was received on 07 Dec 2018, accepted on 17 Jan 2019 and first published on 23 Jan 2019


Article type: Communication
DOI: 10.1039/C8TC06187D
Citation: J. Mater. Chem. C, 2019,7, 1477-1483

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    From gallium-based supramolecular square nanoplates to γ-Ga2O3 layer nanosheets

    Y. Q. Wang, L. X. Song, Y. Teng, F. Wang, W. P. Wang, M. M. Ruan, Z. Yang and Z. Y. Xu, J. Mater. Chem. C, 2019, 7, 1477
    DOI: 10.1039/C8TC06187D

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