In spite of worldwide research, carbon nanotubes (CNTs) still have not fully realized their
original promise as ideal reinforcements for composite materials due to a number of
challenging issues such as weak interface, poor dispersion, misalignment and lack of optimized
design. Here we propose a bio-inspired structure of CNT bundles with controllable
crosslink density and staggered pattern of organization that mimic the architecture of
natural collagen fiber. Molecular mechanics (MM) simulations show that, under tensile
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