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Electroluminescence, photoluminescence and x‐ray reflectivity studies of self‐assembled ultra‐thin films *
Author(s) -
Hong Haiping,
Davidov Dan,
Chayet Haim,
Avny Yair,
Faraggi Erez Z.,
Neumann Ronny
Publication year - 1995
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.19950071006
Subject(s) - materials science , electroluminescence , photoluminescence , optoelectronics , spin coating , heterojunction , homogeneity (statistics) , fabrication , thin film , polymer , light emitting diode , layer (electronics) , nanotechnology , composite material , statistics , alternative medicine , mathematics , pathology , medicine
High‐qality self‐assembled heterostructures for polymer LEDs have been fabricated from PPV and newly synthesized copolymers of PPV and naphthalene. It is shown that the layer‐by‐layer self‐assembly of multilayer structures has advantages with respect to control of the thickness and homogeneity of the polymer films compared to the conventional spin coating technique. The fabrication and characterization of the heterostructures are detailed and features of the electroluminescence and photoluminescence discussed.