Skip to main content
. 2014 Jun 13;4:5286. doi: 10.1038/srep05286

Table 2. Neutron scattering parameters for the thin films composed of different molecular weight fractions.

PCDTBT Mw SLD of bulk layer (Å−2) % PC71BM in bulk layer Polymer enriched layer thickness [nm]
Un-fractionated 3.76e-6 79 11
Low 3.84e-6 81 12
Medium 3.90e-6 83 31
High 4.33e-6 97 25