Fig. 2: The generality of the strategy for the synthesis of metal-compound based mJNPs.
From: Versatile synthesis of metal-compound based mesoporous Janus nanoparticles

a–f, h, i TEM, HAADF-STEM, and EDS elemental mapping of the obtained metal-compound based mJNPs. a Mn-sSiO2&rPMO, b Co-sSiO2&rPMO, c Cu-sSiO2&rPMO, d Zn-sSiO2&rPMO, e Y-sSiO2&rPMO, f Gd-sSiO2&rPMO, h Ca-sSiO2&rPMO and i Mg-sSiO2&rPMO. The scale bars in the EDS mapping images are 50 nm. g XRD patterns of representative metal-compound based mJNPs. Source data are provided as a Source Data file.