Electrostatic self-assembly TiO2/CNT combines excellent physical, chemical properties, and morphological effects of 1D CNT with 0D TiO2 through electrostatic self-assembly. It therefore possesses multifunctional and spatial morphology effects in modifying cement-based composites. Moreover, TiO2 nanoparticles exert electrostatic exclusion effect on CNT, which improves the modification efficiency of CNT on cement-based composites’ electrical properties. Thanks to these merits, the cement-based nanocomposites with TiO2/CNT show good self-sensing properties to stress/strain/temperature, high electrical conductivity, and excellent electromagnetic properties on the promise of good mechanical properties, presenting great potential in developing multifunctional/smart infrastructures.
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