Junji Kido; Masato Kimura; Katsutoshi Nagai
Science 1995, 267, 1332
and the following one on monolayer:
Single-layer white light-emitting organic electroluminescent devices based on dye-dispersed poly(N-vinylcarbazole)
J. Kido, H. Shionoya, and K. Nagai
ApplPhysLett 1995, 67, 2281