学科分类
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2 个结果
  • 简介:美国运动员1964年10月6日出生主项:短距离自由泳曾获7枚奥运会5枚世锦赛奖牌不少运动员能在不同泳式、不同游距的比赛中显露他们的才能。贾格尔不属此类运动员。美国人的才能,没什么神秘的。贾格尔是个纯粹的短距离运动员。不错,他有时也参加100米比赛,但那只是他的兼项。

  • 标签: 运动员 100米 短距离 美国人 自由泳 奥运会
  • 简介:Theinvertedbottom-emittingorganiclight-emittingdevices(IBOLEDs)wereprepared,withthestructureofITO/A1(xnm)/LiF(1nm)/Bphen(40nm)/CBP:Girl(14%):R-4b(2%)(10nm)/BCP(3nm)/CBP:Glrl(14%):R-4b(2%)(20nm)/TCTA(10nm)/NPB(40nm)/MoO3(40nm)/A1(100rim),wherethethicknessofelectroninjectionlayerA1(x)are0nm,2nm,3nm,4nmand5nm,respectively.Inthispaper,theelectroninjectionconditionandluminancepropertiesofinverteddeviceswereinvestigatedbychangingthethicknessofA1layerinAFLiFcompoundthinfilm.ItturnsoutthattheintroductionofA1layercanimproveelectroninjectionofthedevicesdramatically.Furthermore,thedeviceexertslowerdrivingvoltageandhighercurrentefficiencywhenthethicknessofelectroninjectionA1layeris3nm.Forexample,thecurrentefficiencyofthedevicewith3-urn-thickA1layerreaches19.75cd·A^-1whendrivingvoltageis7V,whichis1.24,1.17and17.03timeslargerthanthoseofthedeviceswith2nm,4nmand5nmA1layer,respectively.Thedevicepropertyreachesuptothelevelofcorrespondingconventionaldevice.Inaddition,allin-verteddeviceswithelectroninjectionA1layershowsuperiorstabilityofcolorcoordinateduetotheadoptionofco-evaporationemittinglayerandBCPspacer-layer,andthecolorcoordinateoftheinverteddevicewith3-nm-thickAIlayeronlychangesfrom(0.5806,0.4056)to(0.5328,0.4363)whendrivingvoltageincreasesfrom6Vto10V.

  • 标签: ENHANCEMENT of electron injection COMPOUND thin