Comment on "Organic electroluminescent devices by high-temperature processing and crystalline hole transporting layer" [Appl. Phys. Lett. 74, 3269 (1999)]

Qin, D. S.; Qin, D.S.; Yan, D. H.; Yan, D.H.; Wang, L. X.; Wang, L.X.
November 2000
Applied Physics Letters;11/6/2000, Vol. 77 Issue 19
Academic Journal
Comments on the characterization of alpha-naphthylphenylbiphenyl diamine (NPB) film as crystalline using Raman spectrum, in the article 'Organic electroluminescent devices by high-temperature processing and crystalline hole transporting layer' by Gao et al. Results demonstrating that NPB is amorphous.


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