Figure 4: Emission in blend films.

Scanning confocal fluorescence microscopy images (excitation at 405 nm) revealing the emission of films of: (a) BTBT blend with DAE_Me (at 530±15 nm) and (b) BTBT blend with DAE_tBu (at 605±35 nm).

Scanning confocal fluorescence microscopy images (excitation at 405 nm) revealing the emission of films of: (a) BTBT blend with DAE_Me (at 530±15 nm) and (b) BTBT blend with DAE_tBu (at 605±35 nm).