| Facile Fabrication of Conductive Paper-based Materials from Tunicate Cellulose Nanocrystals and Polydopamine-decorated Graphene Oxide |
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| Author Name | Affiliation | | XiaoZhou Ma1 | 1. School of Chemistry and Chemical Engineering, Joint International Research Laboratory of Bio-mass-Based Macromolecular Chemistry and Materials, Southwest University, Chongqing, 400715, China | | YaoYao Chen2 | 2. School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, Hubei Province, 430070, China | | Peter R. Chang3,* | 3. Bioproducts and Bioprocesses National Science Program, Agriculture and Agri-Food Canada, 107 Science Place, Saskatoon, SK, S7N 0X2, Canada | | Jin Huang1,2,* | 1. School of Chemistry and Chemical Engineering, Joint International Research Laboratory of Bio-mass-Based Macromolecular Chemistry and Materials, Southwest University, Chongqing, 400715, China
2. School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, Hubei Province, 430070, China |
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| Fund Project:Authors are grateful to the National Natural Science Foundation of China (51373131), Fundamental Research Funds for the Central Universities (XDJK2016A017 and XDJK2016C033), Project of Basic Science and Advanced Technology Research, Chongqing Science and Technology Commission (cstc2016, jcyjA0796), and the Talent Project of Southwest University (SWU115034). |
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| Abstract:Conductive papers made from graphene and its derivatives are important for the development of electronic devices; however, elastomer-based matrices usually make it difficult for the conductive sheets to form continuous conductive networks. In this work, we used tunicate-derived cellulose nanocrystals (TCNC) instead of traditional elastomers as the matrix for polydopamine (PDA)-coated and reduced graphene oxide (GO) to prepare conductive paper, which, at a low concentration, were better for the formation of conductive networks from conductive sheets. It was found that the Young’s modulus of the conductive paper produced via this strategy reached as high as 7 GPa. Meanwhile, owing to the partial reduction of GO during the polymerization of dopamine, the conductivity of the conductive paper reached as high as 1.3×105 S/cm when the PDA-coated GO content was 1 wt%, which was much higher than the conductivity of pure GO (~4.60×108 S/cm). This work provides a new strategy for preparing environmentally friendly conductive papers with good mechanical properties and low conductive filler content, which may be used to produce high-performance, low-cost electronic devices. |
| keywords:conductive paper tunicate cellulose nanocrystal graphene oxide polydopamine coating casting paper |
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