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Robust Macroscopic 3D Sponges of Manganese Oxide Molecular Sieves
Author(s) -
Liu Zhenxin,
Wu Depeng,
Guo Xuehui,
Fang Shaoming,
Wang Lizhen,
Xing Yu,
Suib Steven L.
Publication year - 2017
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201702787
Subject(s) - manganese , manganese oxide , molecular sieve , sponge , materials science , chemistry , nanotechnology , chemical engineering , geology , metallurgy , engineering , paleontology , catalysis , organic chemistry
The construction of macroscopic 3D sponges is of great technological importance for various applications. An outstanding challenge is the facile fabrication of sponges with the desirable combination of good stability, high electrical conductivity, and absorption ability. Here free‐standing 3D OMS‐2 sponges are demonstrated, with various densities, which possess a combination of desirable physical properties including high porosity, robustness, permeability, recyclability, high electrical conductivity, and selective water absorption in preference to oil. Some of these properties have systematic trends with various densities. The stress of the OMS‐2 sponge, made by nanowire‐based freeze‐drying process, is four orders of magnitude higher than that made by calcination‐related process. These new materials should find practical applications in environmental, catalysis, sensing, absorption, and energy storage, particularly in the removal of water spill cleanup, and beyond.

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