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Photoelectrochemistry is the study of electrochemistry at the semiconductor/electrolyte interface under illumination of visible and UV light. Applications include photogeneration of radicals for water detoxification/ disinfection, water splitting for hydrogen storage applications and fundamental semiconductor photoelectrochemical catalysis.

Transfer Function tests such as Intensity Modulated Photocurrent and Photovoltage spectroscopy (IMPS and IMVS) are available to test charge recombination, electron diffusion and other properties. The Solartron Analytical ModuLab XM and SolarLab XM photoelectrochemical systems were designed specifically for these tests. In addition, the system offers an IPCE (Incident Photon to Current Efficiency) plug-in module for spectral response characterization. The system offers 10 nm resolution, compliant with ASTM standards, and a wide bandwidth from 350 nm to 1100 nm.