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P‐189: Vapor Pressures of Homo‐ and Heteroleptic Orthometalated Complexes of Iridium
Author(s) -
Deaton Joseph C.,
Huo Shouquan,
Lussier Barbara B.,
Brown Christopher T.,
Garnett Joy C.,
Blondell Debra B.,
Landry Michael R.
Publication year - 2006
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1889/1.2433676
Subject(s) - iridium , phosphorescence , sublimation (psychology) , dopant , enthalpy of sublimation , enthalpy , chemistry , materials science , thermodynamics , doping , standard enthalpy of formation , organic chemistry , physics , fluorescence , catalysis , optoelectronics , psychology , quantum mechanics , psychotherapist
Tris‐orthometalated complexes of iridium are the leading class of phosphorescent dopants for use in harvesting triplet state emission in OLEDs. Here we report vapor pressures of a group of homo‐ and heteroleptic orthometalated iridium complexes and derive the enthalpies and entropies of sublimation. Molecular features influencing these thermodynamic properties are discussed. Keywords: phosphorescent emitter, iridium complexes, sublimation, vapor pressures, enthalpy, entropy.