Doped conjugated polymers, devices, and methods of making...

C - Chemistry – Metallurgy – 08 – G

Patent

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C08G 61/12 (2006.01) H01B 1/12 (2006.01)

Patent

CA 2720694

Use of certain materials in hole injection or hole transport layers can improve the operational lifetimes in organic electronic devices. Compositions comprising a doped conjugated polymer, doped with a redox dopant, including iodonium salt, can increase lifetimes. Inks can be formulated and cast as films in organic electronic devices including OLEDs, PHOLEDs, and OPVs. One embodiment provides a composition with a conjugated polymer doped with a redox dopant. Non-aqueous based inks can be formulated. Iodonium salts can be used.

L'utilisation de certains matériaux dans des couches d'injection de trous ou de transport de trous peut améliorer les durées de vie opérationnelles des dispositifs électroniques organiques. Les compositions selon l'invention comprenant un polymère conjugué dopé, dopé avec un dopant redox, comprenant le sel d'iodonium, peuvent prolonger ces durées de vie. Des encres peuvent être formulées et coulées comme des films dans des dispositifs électroniques organiques comprenant ceux du type OLED, PHOLED, et OPV. Un mode de réalisation concerne une composition contenant un polymère conjugué dopé avec un dopant redox. Des encres non aqueuses peuvent être formulées. Des sels d'iodonium peuvent être utilisés.

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