Solvent-Free Self-Assembly for Scalable Preparation of Highly Crystalline Mesoporous Metal Oxides

Hailong Xiong, Hongru Zhou, Ge Sun, Zhilin Liu, Liangliang Zhang, Ling Zhang, Fei Du, Zhen An Qiao, Sheng Dai

Research output: Contribution to journalArticlepeer-review

84 Scopus citations

Abstract

Mesoporous metal oxides (MMOs) have been demonstrated great potential in various applications. Up to now, the direct synthesis of MMOs is still limited to the solvent induced inorganic-organic self-assembly process. Here, we develop a facile, general, and high throughput solvent-free self-assembly strategy to synthesize a series of MMOs including single-component MMOs and multi-component MMOs (e.g., doped MMOs, composite MMOs, and polymetallic oxide) with high crystallinity and remarkable porous properties by grinding and heating raw materials. Compared with the traditional solution self-assembly process, the avoidance of solvents in this method not only greatly increases the yield of target products and synthesis efficiency, but also reduces the environmental pollution and the consumption of cost and energy. We believe the presented approach will pave a new avenue for scalable production of advanced mesoporous materials for various applications.

Original languageEnglish
Pages (from-to)11053-11060
Number of pages8
JournalAngewandte Chemie - International Edition
Volume59
Issue number27
DOIs
StatePublished - Jun 26 2020

Funding

This work was supported by the Young Thousand Talented Program and the National Natural Science Foundation of China (21671073 and 21621001), the “111” Project of the Ministry of Education of China (B17020), Program for JLU Science and Technology Innovative Research Team, and SD was supported by U.S. Department of Energy, Office of Science, Basic Energy Sciences, Materials Sciences and Engineering Division.

Keywords

  • high crystallinity
  • lithium-ion batteries
  • mass production
  • mesoporous metal oxides
  • solvent-free self-assembly strategy

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