A Phytic Acid Induced Super-Amphiphilic Multifunctional 3D Graphene-Based Foam

Angewandte Chemie
Xinhong SongOtto S Wolfbeis

Abstract

Surfaces with super-amphiphilicity have attracted tremendous interest for fundamental and applied research owing to their special affinity to both oil and water. It is generally believed that 3D graphenes are monoliths with strongly hydrophobic surfaces. Herein, we demonstrate the preparation of a 3D super-amphiphilic (that is, highly hydrophilic and oleophilic) graphene-based assembly in a single-step using phytic acid acting as both a gelator and as a dopant. The product shows both hydrophilic and oleophilic intelligence, and this overcomes the drawbacks of presently known hydrophobic 3D graphene assemblies. It can absorb water and oils alike. The utility of the new material was demonstrated by designing a heterogeneous catalytic system through incorporation of a zeolite into its amphiphilic 3D scaffold. The resulting bulk network was shown to enable efficient epoxidation of alkenes without prior addition of a co-solvent or stirring. This catalyst also can be recovered and re-used, thereby providing a clean catalytic process with simplified work-up.

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Citations

Oct 13, 2017·Advanced Materials·Zhongpeng ZhuYe Tian
Sep 15, 2019·Nature Communications·Xinda YouZhongyi Jiang
Jul 4, 2020·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Ying LuGuilong Peng
Jan 23, 2021·Macromolecular Rapid Communications·Jinfeng CaoShengyu Feng
Jan 28, 2021·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Shuang YanYao Wu
Feb 9, 2021·Journal of Environmental Science and Health. Part C, Toxicology and Carcinogenesis·Zhiyong GuoXi Chen
Mar 9, 2021·Advanced Materials·Chongnan YeKatja Loos
Nov 11, 2017·Journal of Colloid and Interface Science·Bing TanBingyu Shi
Jun 5, 2021·Dalton Transactions : an International Journal of Inorganic Chemistry·Huaxia ChenWei Qi
Jul 23, 2021·Chemosphere·Soner Kizil, Hayal Bulbul Sonmez

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