| abstract |
Described is a monolithic catalyst system (1) for the cleavage of water into hydrogen and oxygen with the aid of light, comprising a first photoactive material (50) capable by itself or together with one or more of an auxiliary material and an auxiliary catalyst when irradiated with light having a wavelength >= 420 nm of generating oxygen and protons from water, and a second photoactive material (60) capable by itself or together with one or more of an auxiliary material and an auxiliary catalyst (92) when irradiated with light having a wavelength >= 420 nm of reducing protons in water to hydrogen, the first photoactive material (50) and second photoactive material (60) being in electrical contact, particularly in direct electrical contact, via one or more electron-conducting materials (30, 20, 40). Likewise described is a method of generating oxygen and hydrogen from water using the catalyst system. |