Effect of Ag layer position in ZnO/Ag/ZnO and Ag/ZnO/Ag films was examined. Moving Ag to surface layers reduced band gap, raised Urbach energy, improved conductivity, and enabled tunable optical properties for optoelectronic and sensing uses.
Fouad et al. (Wed,) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: