Fig. 4: ToF-SIMS chemical mapping and line analysis of PhOH-10/Ce/Nafion hybrid proton exchange membrane with Bi3++ (positive mode).
a C60 and (b) cerium (CeO+) fragment ions before and after a 400 h durability test at 30 kV.
Fig. 4: ToF-SIMS chemical mapping and line analysis of PhOH-10/Ce/Nafion hybrid proton exchange membrane with Bi3++ (positive mode). | Communications Materials
