NEW COPOLYMER, ORGANIC SEMICONDUCTOR MATERIAL, AND ORGANIC ELECTRONIC DEVICE, PHOTOELECTRIC CONVERSION ELEMENT AND SOLAR CELL MODULE EACH USING THE SAME

• Main Authors: AKIYAMA SEIJI, FUJITA RIEKO, TODA ATSUSHI, OKABE MISAKO, OTA ICHIJI
• Format: Patent
• Language: English
• Published: 06.09.2012
• Subjects: BASIC ELECTRIC ELEMENTS; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; SEMICONDUCTOR DEVICES; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

PROBLEM TO BE SOLVED: To provide a new copolymer with high solubility and having absorption in a long wavelength region, that is suitable for a photoelectric conversion element.SOLUTION: This copolymer is expressed by general formula (1), and has a weight-average molecular weight in terms of polystyrene of 2×10-1×10, where in the formula, Rrepresents a (substituted) alkyl group, (substituted) alkenyl group or (substituted) aryl group; Rto Reach independently represents a hydrogen atom, a halogen atom, a (substituted) alkyl group, (substituted) alkenyl group or (substituted) aryl group.