Dr. Mingkui Wang, Stefan Plogmaker, Dr. Robin Humphry-Baker, Dr. Peter Pechy, Prof. Håkan Rensmo, Dr. Shaik. M. Zakeeruddin and Prof. Michael Grätzel Molecular-Scale Interface Engineering of Nanocrystalline Titania by Co-adsorbents for Solar Energy Conversion ChemSusChem 5
Occupy TiO2: Co-grafting dyes with amphiphilic molecules containing phosphinic or phosphonic acid end groups can form a more compact monolayer than the adsorption of dye alone. This insulating molecular layer can effectively shield the back electron transfer from the conduction band of TiO2 to redox electrolytes. Herein coadsorbents are found to not only influence the dye loading, but also the geometry and electronic properties of the system.
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