Fig. 2From: Sensitive, Selective, and Fast Detection of ppb-Level H2S Gas Boosted by ZnO-CuO Mesocrystal a SEM image, energy dispersive X-ray (EDX) elemental mapping of b O, c Zn, and d Cu of a ZnO-CuO mesocrystal, e a typical EDX spectrum of ZnO-CuO mesocrystal, and f N2 adsorption-desorption isotherm and pore size distribution (inset) of ZnO-CuO mesocrystalBack to article page