Author/Authors :
van der Horst، نويسنده , , J.-W. and Bobbert، نويسنده , , P.A. and de Jong، نويسنده , , P.H.L. and Michels، نويسنده , , M.A.J. and Siebbeles، نويسنده , , L.D.A. and Warman، نويسنده , , J.M. and Gelinck، نويسنده , , G.H. and Brocks، نويسنده , , G.، نويسنده ,
Abstract :
The properties of excitons on three different conjugated polymers in solution are investigated both experimentally and theoretically. The theoretical description of the excitons is obtained by solving the electron-hole Bethe–Salpeter equation (BSE) for the polymers, starting from a calculation within density-functional theory. The calculated radiative lifetimes and polarizabilities of the excitons are compared with experimental results from time-resolved fluorescence decay and flash-photolysis microwave conductivity measurements. The quantitative agreement demonstrates the predictive power of the theoretical approach.
