Journal
ADVANCED FUNCTIONAL MATERIALS
Volume 29, Issue 20, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.201900188
Keywords
aerogel; boron nitride; nanoribbon; super-flexibility
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Funding
- National Key Research and Development Program of China [2016YFA0203301]
- National Natural Science Foundation of China [51572285]
- Natural Science Foundation of Jiangsu Province [BK20170428]
- Royal Society Newton Advanced Fellowship [NA170184]
- AvH foundation
- ERC
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Aerogels with extraordinary mechanical properties attract a lot of interest for their wide spread applications. However, the required flexibility is yet to be satisfied, especially under extreme conditions. Herein, a boron nitride nanoribbon aerogel with excellent temperature-invariant super-flexibility is developed by high temperature amination of a melamine diborate precursor formed by hydrogen bonding assembly. The unique structure of the aerogel provides it with outstanding compressing/bending/twisting elasticity, cutting resistance, and recoverable properties. Furthermore, the excellent mechanical super-flexibility is maintained over a wide temperature range, from liquid nitrogen temperature (-196 degrees C) to higher than 1000 degrees C, which extends their possible applications to harsh environments.
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