Journal Article Berreman resonators Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Review aluminum-doped zinc oxide doped silver epsilon-near-zero materials high temperature hydrogen production hyperbolic metamaterials metasurfaces nanostructures perfect absorbers photoelectrochemistry photonic nanostructures plasmonic metamaterials plasmonic waveguide solar thermophotovoltaics surface plasmons tailorable absorbers titanium nitride transparent conductors ultrathin silver films water splitting  transparent conducting oxides