We have located links that may give you full text access.
Correlation Between Charge Recombination and Lateral Hole-Hopping Kinetics in a Series of cis-Ru(phen')(dcb)(NCS) 2 Dye-Sensitized Solar Cells.
ACS Applied Materials & Interfaces 2017 October 5
Four complexes of the general form cis-Ru(phen')(dcb)(NCS)2 , where dcb is 4,4'-(CO2 H)2 -2,2'-bipyridine and phen' is 1,10-phenanthroline (phen), 4,7-(C6 H5 )2 -phen (Ph2 -phen), 4,7-(CH3 )2 -phen (Me2 -phen), or 3,4,7,8-(CH3 )4 -phen (Me4 -phen), were anchored to mesoporous TiO2 thin films for applications as sensitizers in dye-sensitized solar cells (DSSCs). The compounds displayed metal based reductions Eo (RuIII/II ) = 1.01 ± 0.05 V vs NHE and were potent reductants competent of excited-state electron transfer to TiO2 with yields ϕinj ≥ 0.75 in acetonitrile electrolytes. Average charge recombination rate constants, kcr , abstracted from nanosecond transient absorption measurements, and the apparent diffusion coefficients for lateral hole-hopping, abstracted from chronabsorptometry measurements, showed the same sensitizer dependency: Ru(Me4 -phen) > Ru(Ph2 -phen) > Ru(Me2 -phen) ≈ Ru(phen). When used in operational solar cells, Ru(Ph2 -phen) was most optimal with an efficiency of (6.6 ± 0.5)% in ionic liquids under 1 sun illumination. The superior performance of Ru(Ph2 -phen) was traced to a higher injection yield and more efficient regeneration due to an unusually small sensitivity of kcr to the number of injected electrons.
Full text links
Related Resources
Get seemless 1-tap access through your institution/university
For the best experience, use the Read mobile app
All material on this website is protected by copyright, Copyright © 1994-2024 by WebMD LLC.
This website also contains material copyrighted by 3rd parties.
By using this service, you agree to our terms of use and privacy policy.
Your Privacy Choices
You can now claim free CME credits for this literature searchClaim now
Get seemless 1-tap access through your institution/university
For the best experience, use the Read mobile app