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Molecularly Intercalated Nanoflakes: A Supramolecular Composite for Strong Energy Absorption
Author(s) -
Yu Chichao,
Chen Ziguang,
Li Hui,
Turner Joseph,
Zeng Xiao Cheng,
Jin Zhihe,
Jiang Jinyue,
Youssef Boulos,
Tan Li
Publication year - 2010
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201000546
Subject(s) - materials science , supramolecular chemistry , absorption (acoustics) , composite number , composite film , nanotechnology , modulus , composite material , molecule , organic chemistry , chemistry
Nanoflakes , one type of supramolecules that consist of alternating inorganic layers separated by organic moieties, are demonstrated as a good candidate for energy absorption as a thin film. When a bulky molecule is inserted between those layered structures, both modulus and specific energy absorption were increased 12‐ and 9‐fold, to 12.5 GPa and 275 J/g. Extensive interlayer glide during mechanical loadings could have rendered such a strong plastic deformation, suggesting promise in protecting engineered structures or human bodies against external impact with minimal added weight or volume.