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      Cellulose aerogels decorated with multi-walled carbon nanotubes: preparation, characterization, and application for electromagnetic interference shielding

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          Abstract

          Electromagnetic wave pollution has attracted extensive attention because of its ability to affect the operation of electronic machinery and endanger human health. In this work, the environmentally-friendly hybrid aerogels consisting of cellulose and multi-walled carbon nanotubes (MWCNTs) were fabricated. The aerogels have a low bulk density of 58.17 mgcm 3. The incorporation of MWCNTs leads to an improvement in the thermal stability. In addition, the aerogels show a high electromagnetic interference (EMI) SE total value of 19.4 dB. Meanwhile, the absorption-dominant shielding mechanism helps a lot to reduce secondary radiation, which is beneficial to develop novel eco-friendly EMI shielding materials.

          Most cited references31

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          Crystal Structure and Hydrogen-Bonding System in Cellulose Iβ from Synchrotron X-ray and Neutron Fiber Diffraction

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            Unusually High Thermal Conductivity of Carbon Nanotubes

            Combining equilibrium and non-equilibrium molecular dynamics simulations with accurate carbon potentials, we determine the thermal conductivity \(\lambda\) of carbon nanotubes and its dependence on temperature. Our results suggest an unusually high value \({\lambda}{\approx}6,600\)~W/m\(\cdot\)K for an isolated (10,10) nanotube at room temperature, comparable to the thermal conductivity of a hypothetical isolated graphene monolayer or diamond. Our results suggest that these high values of \(\lambda\) are associated with the large phonon mean free paths in these systems; substantially lower values are predicted and observed for the basal plane of bulk graphite.
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              EMI shielding effectiveness of carbon based nanostructured polymeric materials: A comparative study

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                Author and article information

                Contributors
                Journal
                Front. Agr. Sci. Eng.
                FASE
                CN10-1204/S
                Frontiers of Agricultural Science and Engineering
                Higher Education Press and Springer-Verlag (4 Huixin Dongjie, Chaoyang District, Beijing 100029, China )
                2095-7505
                2015
                : 2
                : 4
                : 341-346
                Affiliations
                Material Science and Engineering College, Northeast Forestry University, Harbin 150040, China
                Material Science and Engineering College, Northeast Forestry University, Harbin 150040, China
                Author notes
                nefulijian@163.com
                Article
                10.15302/J-FASE-2015082
                f8a05082-1b17-400b-b2c4-8353f6278620
                Copyright @ 2014
                History
                : 19 October 2015
                : 16 November 2015
                Categories
                RESEARCH ARTICLE

                Management,Industrial organization,Risk management,Economics
                cellulose aerogels,carbon nanotubes,electromagnetic interference shielding,composites

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