Solvent-pair surfactants enabled assembly of clusters and copolymers towards programmed mesoporous metal oxides

Wenhe Xie, Yuan Ren, Fengluan Jiang, Xin-Yu Huang, Bingjie Yu, Jianhong Liu, Jichun Li, Keyu Chen, Yidong Zou, Bingwen Hu and Yonghui Deng ()
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Wenhe Xie: Fudan University
Yuan Ren: Fudan University
Fengluan Jiang: Fudan University
Xin-Yu Huang: Fudan University
Bingjie Yu: Fudan University
Jianhong Liu: Fudan University
Jichun Li: Fudan University
Keyu Chen: Fudan University
Yidong Zou: Fudan University
Bingwen Hu: East China Normal University
Yonghui Deng: Fudan University

Nature Communications, 2023, vol. 14, issue 1, 1-9

Abstract: Abstract Organic-inorganic molecular assembly has led to numerous nano/mesostructured materials with fantastic properties, but it is dependent on and limited to the direct interaction between host organic structure-directing molecules and guest inorganic species. Here, we report a “solvent-pair surfactants” enabled assembly (SPEA) method to achieve a general synthesis of mesostructured materials requiring no direct host-guest interaction. Taking the synthesis of mesoporous metal oxides as an example, the dimethylformamide/water solvent pairs behave as surfactants and induce the formation of mesostructured polyoxometalates/copolymers nanocomposites, which can be converted into metal oxides. This SPEA method enables the synthesis of functional ordered mesoporous metal oxides with different pore sizes, structures, compositions and tailored pore-wall microenvironments that are difficult to access via conventional direct organic-inorganic assembly. Typically, nitrogen-doped mesoporous ε-WO3 with high specific surface area, uniform mesopores and stable framework is obtained and exhibits great application potentials such as gas sensing.

Date: 2023
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DOI: 10.1038/s41467-023-44193-z

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