Radical ion pair mediated triplet formation in polymer-fullerene blend films.

Ohkita H, Cook S, Astuti Y, Duffy W, Heeney M, Tierney S, McCulloch I, Bradley DDC, Durrant JR

Efficient triplet formation is observed for films of high ionisation potential polythiophenes blended with a fullerene derivative, and assigned to formation via geminate charge recombination of bound radical ion pair states.

Keywords:

Ions

,

Fullerenes

,

Free Radicals

,

Thiophenes

,

Polymers

,

Spectrophotometry, Ultraviolet

,

Molecular Structure

,

Kinetics

,

Biomimetic Materials