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Multiscale structural control of thiostannate chalcogels with two-dimensional crystalline constituents

Author

Listed:
  • Thanh Duy Cam Ha

    (Sungkyunkwan University)

  • Heehyeon Lee

    (Korea University
    Korea Institute of Science and Technology)

  • Yeo Kyung Kang

    (Sungkyunkwan University)

  • Kyunghan Ahn

    (Sungkyunkwan University)

  • Hyeong Min Jin

    (Chungnam National University)

  • In Chung

    (Seoul National University
    Institute for Basic Science (IBS))

  • Byungman Kang

    (Korea Atomic Energy Research Institute)

  • Youngtak Oh

    (Korea Institute of Science and Technology)

  • Myung-Gil Kim

    (Sungkyunkwan University)

Abstract

Chalcogenide aerogels (chalcogels) are amorphous structures widely known for their lack of localized structural control. This study, however, demonstrates a precise multiscale structural control through a thiostannate motif ([Sn2S6]4−)-transformation-induced self-assembly, yielding Na-Mn-Sn-S, Na-Mg-Sn-S, and Na-Sn(II)-Sn(IV)-S aerogels. The aerogels exhibited [Sn2S6]4−:Mn2+ stoichiometric-variation-induced-control of average specific surface areas (95–226 m2 g−1), thiostannate coordination networks (octahedral to tetrahedral), phase crystallinity (crystalline to amorphous), and hierarchical porous structures (micropore-intensive to mixed-pore state). In addition, these chalcogels successfully adopted the structural motifs and ion-exchange principles of two-dimensional layered metal sulfides (K2xMnxSn3-xS6, KMS-1), featuring a layer-by-layer stacking structure and effective radionuclide (Cs+, Sr2+)-control functionality. The thiostannate cluster-based gelation principle can be extended to afford Na-Mg-Sn-S and Na-Sn(II)-Sn(IV)-S chalcogels with the same structural features as the Na-Mn-Sn-S chalcogels (NMSCs). The study of NMSCs and their chalcogel family proves that the self-assembly principle of two-dimensional chalcogenide clusters can be used to design unique chalcogels with unprecedented structural hierarchy.

Suggested Citation

  • Thanh Duy Cam Ha & Heehyeon Lee & Yeo Kyung Kang & Kyunghan Ahn & Hyeong Min Jin & In Chung & Byungman Kang & Youngtak Oh & Myung-Gil Kim, 2022. "Multiscale structural control of thiostannate chalcogels with two-dimensional crystalline constituents," Nature Communications, Nature, vol. 13(1), pages 1-13, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-35386-z
    DOI: 10.1038/s41467-022-35386-z
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    References listed on IDEAS

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    1. S. Srinivasa Rao & Ikkurthi Kanaka Durga & Bandari Naresh & Bak Jin-Soo & T.N.V. Krishna & Cho In-Ho & Jin-Woo Ahn & Hee-Je Kim, 2018. "One-Pot Hydrothermal Synthesis of Novel Cu-MnS with PVP Cabbage-Like Nanostructures for High-Performance Supercapacitors," Energies, MDPI, vol. 11(6), pages 1-14, June.
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