| Electro-conductive Nanocrystalline Cellulose Film Filled with TiO2-Reduced-Graphene Oxide Nanocomposite |
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| Author Name | Affiliation | | RuoNan Zhao1 | 1. Pulp and Paper Center, Zhejiang Sci-Tech University, Hangzhou, Zhejiang Province, 310018, China | | YanJun Tang1,2,* | 1. Pulp and Paper Center, Zhejiang Sci-Tech University, Hangzhou, Zhejiang Province, 310018, China
2. National Engineering Laboratory of Textile Fiber Materials and Processing Technology, Zhejiang Sci-Tech University, Hangzhou, Zhejiang Province, 310018, China | | XiaoChuang Shen1 | 1. Pulp and Paper Center, Zhejiang Sci-Tech University, Hangzhou, Zhejiang Province, 310018, China | | XingHua Hong2 | 2. National Engineering Laboratory of Textile Fiber Materials and Processing Technology, Zhejiang Sci-Tech University, Hangzhou, Zhejiang Province, 310018, China | | YiMing Zhou1 | 1. Pulp and Paper Center, Zhejiang Sci-Tech University, Hangzhou, Zhejiang Province, 310018, China |
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| Fund Project:This work was financially supported by the Zhejiang Provincial Natural Science Foundation of China (Grant No. LY14C160003, LQ16C160002), the National Natural Science Foundation of China (Grant No. 31100442), the Public Projects of Zhejiang Province (Grant No. 2017C31059), Zhejiang Provincial Top Key Academic Discipline of Chemical Engineering and Technology, Zhejiang Open Foundation of the Most Important Subjects (Grant No. 2016KF01), and 521 Talent Cultivation Program of Zhejiang Sci-Tech University (Grant No. 11110132521310). |
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| Abstract:Imparting electro-conductive properties to nanocellulose-based products may render them suitable for applications in electronics, optoelectronics, and energy storage devices. In the present work, an electro-conductive nanocrystalline cellulose (NCC) film filled with TiO2-reduced-graphene oxide (TiO2-RGO) was developed. Initially, graphene oxide (GO) was prepared using the modified Hummers method and thereafter photocatalytically reduced using TiO2 as a catalyst. Subsequently, an electro-conductive NCC film was prepared via vacuum filtration with the as-prepared TiO2-RGO nanocomposite as a functional filler. The TiO2-RGO nanocomposite and the NCC/TiO2-RGO film were systematically characterized. The results showed that the obtained TiO2-RGO nanocomposite exhibited reduced oxygen-containing group content and enhanced electro-conductivity as compared with those of GO. Moreover, the NCC film filled with TiO2-RGO nanocomposite displayed an electro-conductivity of up to 9.3 S/m and improved mechanical properties compared with that of the control. This work could provide a route for producing electro-conductive NCC films, which may hold significant potential as transparent flexible substrates for future electronic device applications. |
| keywords:nanocrystalline cellulose nanocomposite film graphene oxide photocatalytic reduction electro-conductivity |
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