As stated before, we cannot eliminate the undesired slow oxidation of the phosphines21 forming an inactive product and therefore eliminating the protective capacity of the protection layer over time.
Plant cuticle, which can be divided into the inner cutin and outer wax, is the hydrophobic protection layer against water loss and protects plants from the deleterious effects of light, temperature, osmotic stress, high salinity, and physical damage [ 40, 41].
According to the literature [42], the main reason of PVP protecting Ag NPs is N in PVP coordinate with silver and forms the protection layer.
A protection layer was observed during the EDAX analysis.
Mei, B. et al. Iron-treated NiO as a highly transparent p-type protection layer for efficient Si-based photoanodes.
Mei, B. et al. Crystalline TiO2: a generic and effective electron-conducting protection layer for photoanodes and -cathodes.
TiO2 is a common protection layer on semiconductor electrodes for photoelectrochemical water splitting.
In addition, the equivalent admittance of the three protection layer has been derived.
The protection layer maintains chemical and electrochemical stability over repeated plating/stripping cycles.
Effective stabilization of lithium metal has been hindered by the exacting requirements for the protection layer.
Afterward, the protection layer is removed in a water flow for ten minutes.
