Charge-density-based analysis of the current-voltage response of polythiophene/fullerene photovoltaic devices.

ABSTRACT: A key challenge for organic electronics research is to develop device models that correctly account for the structural and energetic disorder typically present in such materials. In this paper we report an approach to analyze the electrical performance of an organic electronic device based upon charge extraction measurements of charge densities and transient optoelectronic measurements of charge carrier dynamics. This approach is applied to a poly(3-hexyl thiophene) (P3HT)/6,6 phenyl C61 butyric acid methyl ester (PCBM) blend photovoltaic device. These measurements are employed to determine the empirical rate law for bimolecular recombination losses, with the energetic disorder present in the materials being accounted for by a charge-density-dependent recombination coefficient. This rate l

SUBMITTER: Shuttle CG 

PROVIDER: S-EPMC2944700 | biostudies-literature | 2010 Sep

REPOSITORIES: biostudies-literature