Design and preparation of the composite film of SiO2 inlaying RGO and its enhanced electro-wetting performanceJian Wang, Yangyang Yin, Jianwen Zhang, Shu Liu, Yan Li and Chengwei WangEur. Phys. J. Plus, 135 1 (2020) 52DOI: https://doi.org/10.1140/epjp/s13360-019-00060-9