{"title":"高效单掺杂白光磷光二极管","authors":"Q. Niu, Yunhua Xu, Junbiao Peng, Yong Zhang","doi":"10.1109/AOM.2010.5713539","DOIUrl":null,"url":null,"abstract":"Efficient polymer white-light-emitting diodes (WPLEDs) have been fabricated with a single emissive layer, blue-green fluorescence polymer doped with a red phosphorescent dye. The device structure consists of ITO/poly(ehtlenedioxythiophene):poly(styrene sulfonic acid) (PEDOT:PSS)/poly(N-vinylcarbazole) (PVK) /poly(9,9-dioctylfluorene) (PFO): Ir-complex (Ir(DMFPQ)2pbm) /CsF/Al. Energy transfer occurred from PFO to Ir(DMFPQ)2pbm, leading to electroluminescence quench of PFO. Pure and efficient white light emission was realized by tuning the weight ratio of PFO:Ir(DMFPQ)2pbm to 99.7: 0.3. The maximum current efficiency and luminance of WPLEDs were 9.6cd/A at 7.8V and 13491cd/m2 at 11.4V, respectively.","PeriodicalId":222199,"journal":{"name":"Advances in Optoelectronics and Micro/nano-optics","volume":"18 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2010-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"High efficiency single-doped white phosphorescent light-emitting diodes\",\"authors\":\"Q. Niu, Yunhua Xu, Junbiao Peng, Yong Zhang\",\"doi\":\"10.1109/AOM.2010.5713539\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Efficient polymer white-light-emitting diodes (WPLEDs) have been fabricated with a single emissive layer, blue-green fluorescence polymer doped with a red phosphorescent dye. The device structure consists of ITO/poly(ehtlenedioxythiophene):poly(styrene sulfonic acid) (PEDOT:PSS)/poly(N-vinylcarbazole) (PVK) /poly(9,9-dioctylfluorene) (PFO): Ir-complex (Ir(DMFPQ)2pbm) /CsF/Al. Energy transfer occurred from PFO to Ir(DMFPQ)2pbm, leading to electroluminescence quench of PFO. Pure and efficient white light emission was realized by tuning the weight ratio of PFO:Ir(DMFPQ)2pbm to 99.7: 0.3. The maximum current efficiency and luminance of WPLEDs were 9.6cd/A at 7.8V and 13491cd/m2 at 11.4V, respectively.\",\"PeriodicalId\":222199,\"journal\":{\"name\":\"Advances in Optoelectronics and Micro/nano-optics\",\"volume\":\"18 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2010-12-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Advances in Optoelectronics and Micro/nano-optics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/AOM.2010.5713539\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Advances in Optoelectronics and Micro/nano-optics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/AOM.2010.5713539","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
High efficiency single-doped white phosphorescent light-emitting diodes
Efficient polymer white-light-emitting diodes (WPLEDs) have been fabricated with a single emissive layer, blue-green fluorescence polymer doped with a red phosphorescent dye. The device structure consists of ITO/poly(ehtlenedioxythiophene):poly(styrene sulfonic acid) (PEDOT:PSS)/poly(N-vinylcarbazole) (PVK) /poly(9,9-dioctylfluorene) (PFO): Ir-complex (Ir(DMFPQ)2pbm) /CsF/Al. Energy transfer occurred from PFO to Ir(DMFPQ)2pbm, leading to electroluminescence quench of PFO. Pure and efficient white light emission was realized by tuning the weight ratio of PFO:Ir(DMFPQ)2pbm to 99.7: 0.3. The maximum current efficiency and luminance of WPLEDs were 9.6cd/A at 7.8V and 13491cd/m2 at 11.4V, respectively.
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