Abstract
A photolithographic patterning scheme for organic light-emitting diode (OLED) pixels was proposed, requiring highly soluble imaging materials in fluorous solvents. The attachment of perfluoroether chains onto a previously reported acid-cleavable resorcinarene and the addition of a semi-perfluoroalkoxy moiety to a naphthalimide backbone proved to be effective toward achieving imaging materials with enhanced solubility in fluorous solvents. These materials exhibited good film-forming and photo-imaging properties when layered onto a hole-transporting 4,4′,4′′-tris(N-carbazolyl)triphenylamine (TCTA) layer without seriously damaging it. With the proposed scheme and benign imaging materials, it was possible to construct OLEDs with patterned pixels as small as 50 μm.
Original language | English |
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Pages (from-to) | 926-930 |
Number of pages | 5 |
Journal | Journal of Materials Chemistry C |
Volume | 5 |
Issue number | 4 |
DOIs | |
State | Published - 2017 |