Improved hole injection for blue phosphorescent organic light-emitting diodes using solution deposited tin oxide nano-particles decorated ITO anodes

Blue phosphorescent organic light-emitting diodes (PHOLEDs) were fabricated with tin oxide (SnO(x)) nano-particles (NPs) deposited at the ITO anode to improve their electrical and optical performances. SnO(x) NPs helped ITO to increase the work function enhancing hole injection capability. Charge ba...

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Detalles Bibliográficos
Autores principales: Il Lee, Seung, Yun, Geum Jae, Kim, Jin Wook, Hanta, Gregory, Liang, Kunyu, Kojvic, Lazar, Hui, Lok Shu, Turak, Ayse, Kim, Woo Young
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2019
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6382941/
https://www.ncbi.nlm.nih.gov/pubmed/30787366
http://dx.doi.org/10.1038/s41598-019-39451-4
Descripción
Sumario:Blue phosphorescent organic light-emitting diodes (PHOLEDs) were fabricated with tin oxide (SnO(x)) nano-particles (NPs) deposited at the ITO anode to improve their electrical and optical performances. SnO(x) NPs helped ITO to increase the work function enhancing hole injection capability. Charge balance of the device was achieved using p- and n-type mixed host materials in emissive layer and the devices’ luminance and maximum external quantum efficiency (EQE) increased about nearly 30%. Tuning the work function using solution processed NPs allows rapid optimization of device efficiency.

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