Resumen de The Basis for Photocatalytic Writing

Jorge G. Ibanez, Michael W. Tausch, Claudia Bohrmann-Linde, Isabel Fernández Gallardo, Ainoha Robles Leyzaola, Simone Krees, Nico Meuter, Mathias Tennior

• We present a demonstration involving the oxidative photobleaching of a raspberry juice dye under visible laser light irradiation using the semiconductor titanium dioxide. A plausible interpretation of the phenomenon is discussed that aids in the understanding of semiconductor energetics and the nature of light.