Ultrafast Charge and Triplet State Formation in Diketopyrrolopyrrole Low Band Gap Polymer/Fullerene Blends: Influence of Nanoscale Morphology of Organic Photovoltaic Materials on Charge Recombination to the Triplet State

Table 1

Effects of laser fluence (in μJ/cm²) on the maximum populations of triplet state formation () together with the lifetimes of triplet states () and singlet states () obtained for pristine polymer films as well as values obtained for the polymer in CHCl₃ solution.

Laser fluence (μJ/cm^2)		(ns)	(ps)	(ps)	(ps)	(ps)
28	0.43	1.2	20	1.0	—
12	0.10	3.3	—	2.1	29
4	0.05	3.6	—	2.5	41
(In CHCl3)
28				1	22	253