Article ID Journal Published Year Pages File Type
1664443 Thin Solid Films 2016 6 Pages PDF
Abstract
Charge recombination at the electrode/electrolyte interface can be prevented by efficient blocking layers. Here, TiO2 blocking layers have been deposited using atomic layer deposition (ALD) and TiCl4 treatment. The number of TiO2 ALD cycles was optimized for I−/I3− and Fc/Fc+ electrolytes. The optimized TiO2 ALD films' performance was compared with the TiCl4 treated films. TiCl4 treated films performed better than the ALD deposited films, attributed to reduction of the defects, which act as active sites of recombination.
Related Topics
Physical Sciences and Engineering Materials Science Nanotechnology
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