Fig. 2: Electron microscopy characterisation of the CuOxZnOy catalysts.
From: Carbon dioxide and nitrate co-electroreduction to urea on CuOxZnOy
a SEM images of the CuOxZnOy catalysts, (b) SEM-EDX images of the CuO90ZnO10, CuO70ZnO30, and CuO50ZnO50 catalysts.
