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Q. F. Xu, J. Y. Ouyang, Y. Yang, T. Ito and J. Kido, Ultrahigh Efficiency Green Polymer Light-Emitting Diodes by Nanoscale Interface Modification, Applied Physics Letters, 83, 4695 (2003)

F. C. Chen, S. C. Chang, G. F. He, S. Pyo, Y. Yang, M. Kurotaki and J. Kido, Energy Transfer and Triplet Exciton Confinement in Polymeric Electrophosphorescent Devices, Journal of Polymer Science Part B-Polymer Physics, 41, 2681 (2003)