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Letter

Nature Materials 5, 782–786 (1 October 2006) | doi:10.1038/nmat1734

All-solid-state Z-scheme in CdS|[ndash]|Au|[ndash]|TiO2 three-component nanojunction system

Hiroaki Tada , Tomohiro Mitsui , Tomokazu Kiyonaga , Tomoki Akita & Koji Tanaka

Natural photosynthesis, which achieves efficient solar energy conversion through the combined actions of many types of molecules ingeniously arranged in a nanospace, highlights the importance of a technique for site-selective coupling of different materials to realize artificial high-efficiency devices. In view of increasingly serious energy and environmental problems, semiconductor-based artificial photosynthetic systems consisting of isolated photochemical system 1 (PS1), PS2 and the electron-transfer system have recently been developed.