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Thermally stable multilared organic electroluminescent devices using novel starburst molecules, 4,4′,4″‐Tri( N ‐carbazolyl)triphenylamine (TCTA) and 4,4′,4″‐Tris(3‐methylphenylphenylamino)triphenylamine ( m ‐MTDATA), as hole‐transport materials
Author(s) -
Kuwabara Yoshiyuki,
Ogawa Hiromitsu,
Inada Hiroshi,
Noma Naoki,
Shirota Yasuhiko
Publication year - 1994
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.19940060913
Subject(s) - triphenylamine , electroluminescence , moiety , materials science , thermal stability , photochemistry , molecule , oled , tris , optoelectronics , glass transition , electron , polymer , nanotechnology , organic chemistry , chemistry , physics , composite material , biochemistry , layer (electronics) , quantum mechanics
Organic electroluminescent devices with improced thermal stability and good performance characteristics are reported. The hole‐transport material is a novel π‐electron “starburst” molecule, TCTA (see Figure), whose glass‐transition temperature is increased by the introduction of a structurally rigid moiety.