A new family of homoleptic Ir(III) complexes: Tris-pyridyl azolate derivatives with dual phosphorescence
Journal article published in 2006 by
Yu-Shan Yeh,
Yi-Ming Cheng,
Pi-Tai Chou 
,
Yeh YS;Cheng YM;Chou PT;Lee GH;Yang CH;Chi Y;Shu CF;Wang Ch,
Gene-Hsiang Lee,
Cheng-Han Yang,
Yun Chi ,
Ching-Fong Shu,
Chih-Hsiang Wang,
YS; Cheng YM; Chou PT; Lee GH; Yang CH; Chi Y; Shu CF; Wang CH Yeh
,
Yeh YS;Cheng YM;Chou PT;Lee GH;Yang CH;Chi Y;Shu CF;Wang Ch,
Gene-Hsiang Lee,
Cheng-Han Yang,
Yun Chi ,
Ching-Fong Shu,
Chih-Hsiang Wang,
YS; Cheng YM; Chou PT; Lee GH; Yang CH; Chi Y; Shu CF; Wang CH Yeh
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Abstract
2010302010045 ; 化學系 ; Blue-emitting complexes: Iridium complexes (see figure) exhibit dual phosphorescence. The blue phosphorescence at room temperature, attributed to TILCT→TLLCT conversion, occurs via a high energy barrier (∼6.9 kcal mol−1) resulting from large-amplitude motions, such as partial twisting of the chelate groups which flip the orbital configuration and consequently results in dual phosphorescence.