Original Research Published on 07 Aug 2020 Hydrothermal Synthesis of Flake-Flower NiO and Its Gas Sensing Performance to CO in Thin Solid Films Guochao QianQingjun PengDexu ZouShan WangBing Yan Frontiers in Materials doi 10.3389/fmats.2020.00216 6,626 views 21 citations