| 简介 |
System for the increase of the efficiency in the production of hydrogen through the photolysis of water in a photo-electrochemical cell expanding the range of spectral response of the catalytic semiconductor. A system for the increase of the efficiency in the production of hydrogen through the photolysis of water in a photo-electrochemical cell is proposed, extending the range of spectral response of the catalytic semiconductor, by means of a photoconversion of incident solar radiation towards wavelengths short, using transparent nano-ceramic materials composed of a silicon oxide matrix containing fluoride nanocrystals (PbF2, NaYF4, YF3, KYF4) doped with rare earth ions (Nd3 +, Tm3 +, Ho3 +, Er3 +, Yb3 + . In this way, a system capable of absorbing and taking advantage of a wide range of energy from the sun in the red and infrared is achieved and converted efficiently, through "up-conversion" processes, to the blue and UV range, optimizing the water rupture in hydrogen and oxygen. (Machine-translation by Google Translate, not legally binding) |
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