M Kratochvil, M Ciganek,
C Yumusak, H Seelajaroen… - Dyes and …, 2022 - Elsevier
Optical and semiconducting properties of vacuum-deposited thin films of four hydrogen-
bonded pigments were studied. Well-known 1, 4-diketo-3, 6-diphenyl-pyrrolo-[3, 4-c]-pyrrole …