Figure 3.

Additive effects on electron recombination and transport properties for DSCs using optimum electrolytes. (a) Electron lifetimes (τη) versus photovoltage (Voc) and (b) electron diffusion coefficients (De) versus the short-circuit photocurrent (Jsc), for PMII-0.02 M I2-PC electrolyte without additive as well as in the presence of TBP additive and TBP/GuNCS co-additives. (c) Electron lifetimes (τη) versus Voc, and (d) electron diffusion coefficients (De) versus Jsc, for PMII-0.08 M I2-PC electrolytes without additive, with NMBI and with NMBI-GuNCS co-additives.

Stergiopoulos et al. Nanoscale Research Letters 2011 6:307   doi:10.1186/1556-276X-6-307
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