RutheniumPolypyridylComplexesOMeHO2CSHO,0HO0OMeHO2CExtended TTsystems-increaseECyclometallatedRu-similardelocalizechargeawayfromRuspectrumto NCS,morestableH17Alkylchainsreduceaggregationanddesorption,prevent l3HOreachingTiO,surfaceCgH17HO2CThisdyegetstowards12%(unverified)
Extended π systems -increase ε, delocalize charge away from Ru Alkyl chains reduce aggregation and desorption, prevent I3 - reaching TiO2 surface Cyclometallated Ru – similar spectrum to NCS- , more stable This dye gets towards 12% (unverified) Ruthenium Polypyridyl Complexes 60
OtherDyesHO2C上HO20CO2H2.3% efficient,but cheapHO2C-CO2H7.1%efficientPorphyrins absorb into NIROC6H13HOCCN8.4%efficientOC6H13There is a huge range of7.4%efficientdifferent organic dyesAlsoperformswellwithsolidHO2CCNstateelectrolytes
Other Dyes 2.3% efficient, but cheap 7.1% efficient Porphyrins absorb into NIR 8.4% efficient 7.4% efficient Also performs well with solidstate electrolytes There is a huge range of different organic dyes 61