Reconsideration of the electroabsorption spectra of the tetracene and pentacene crystals

摘要: Abstract The method of direct resolution an electroabsorption spectrum into a set second derivatives Gaussian bands is applied to the spectra tetracene and pentacene reported by Sebastian et al. present fit much better than in original paper. Hamilton R factors used assess further refinements fit. results suggest existence additional charge transfer (CT) band spectrum, located at 2.77 eV, may indicate few new spectrum. are interpreted terms theoretical model proposed previously for anthracene generalized here triclinic cystals. Based on this model, it suggested that CT interactions strongly contribute Davydov splitting pentacene. effect sample inhomogeneity discussed.