Design of semitransparent tantalum nitride photoanode for efficient and durable solar water splitting
Tomohiro Higashi, Hiroshi Nishiyama, Vikas Nandal, Yuriy Pihosh, Yudai Kawase, Ryota Shoji, Mamiko Nakabayashi, Yutaka Sasaki, Naoya Shibata, Hiroyuki Matsuzaki, Kazuhiko Seki, Kazuhiro Takanabe, Kazunari Domen
Abstract
A semitransparent Ta 3 N 5 photoanode is designed for efficient and durable solar water splitting. The Ta 3 N 5 -CuInSe 2 tandem device exhibits an initial and stabilized solar-to-hydrogen efficiency of ∼9% (highest for metal oxides/nitrides) and 4%, respectively.
Topics & Concepts
Tantalum nitrideMaterials scienceTantalumWater splittingNitrideTandemOptoelectronicsEngineering physicsNanotechnologyMetallurgyComposite materialChemistryPhotocatalysisLayer (electronics)EngineeringCatalysisBiochemistryAdvanced Photocatalysis TechniquesElectrocatalysts for Energy ConversionPerovskite Materials and Applications