Ju Won Lee, Y. K. Kim, B. C. Sohn, Jin-Soon Kim, Sung Min Kim, Yunkyoung Ha
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White-Light-Emitting Materials for Organic Electroluminescent Devices
Abstract A chelate-metal complex such as zinc bis(2-(2-hydroxyphenyl) benzothiazolate) (Zn(BTZ)2) was known to show white emission with a broad electroluminescence[1–2]. In this study, the electroluminescent characteristics of Be(BTZ)2 and Mg(BTZ)2, as well as Zn(BTZ)2 were investigated using organic electroluminescent devices with the structure of ITO/TPD/Be(BTZ)2, Mg(BTZ)2, or Zn(BTZ)2 /Al. It was found that the device containing Be(BTZ)2 shows the highest power efficiency.
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