Preparation of Phosphorescent Polymer Patterns by Spin-Coating Photoreactive Small Molecules

Autor:	Masakazu Muroyama, Daichi Miyagawa, Kuniaki Tanaka, Hiroaki Usui
Rok vydání:	2016
Předmět:	Materials science Computer Networks and Communications General Physics and Astronomy 02 engineering and technology 01 natural sciences chemistry.chemical_compound 0103 physical sciences OLED Electrical and Electronic Engineering 010302 applied physics chemistry.chemical_classification Spin coating Dopant Applied Mathematics Polymer 021001 nanoscience & nanotechnology Solvent Monomer Photopolymer Chemical engineering chemistry Signal Processing Phosphorescence 0210 nano-technology Layer (electronics) Photoinitiator
Zdroj:	Electronics and Communications in Japan. 99:58-64
ISSN:	1942-9533
DOI:	10.1002/ecj.11827
Popis:	Patterned polymer thin films were prepared by spin-coating a solution consisting of an acryl monomer of 2-9H-carbazol-9-ylethylmethacrylate, a photoinitiator of 4-dimethylaminobenzophenone, and a phosphorescent dopant of iridiumIII bis2-phenylpyridinate4-vinylphenylpyridine. The film was exposed to ultraviolet UV light through a photomask and rinsed with an organic solvent to develop a patterned polymer thin film. A mixture of tetrahydrofuran and 1,4-dioxane was used as the spin-coating solvent, and ethanol was used as the developing solution. The effects of solvent, exposure time, UV intensity, and the phosphorescent dopant were examined to optimize the patterning condition. The patterned film was utilized as an emissive layer to construct an organic light-emitting diode.
Databáze:	OpenAIRE
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