Slow Equilibration between Spectroscopically Distinct Trap States in Reduced TiO2 Nanoparticles.


Understanding the nature of charge carriers in nanoscale titanium dioxide is important for its use in solar energy conversion, photocatalysis, and other applications. UV-irradiation of aqueous, colloidal TiO2 nanoparticles in the presence of methanol gives highly reduced suspensions. Two distinct types of electron traps were observed and characterized by… (More)
DOI: 10.1021/jacs.6b12112


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