標題: Ab initio molecular orbital study of 1,3,5-triazine derivatives for phosphorescent organic light emitting devices
作者: Chu, TY
Ho, MH
Chen, JF
Chen, CH
電子物理學系
應用化學系
友訊交大聯合研發中心
Department of Electrophysics
Department of Applied Chemistry
D Link NCTU Joint Res Ctr
公開日期: 24-Oct-2005
摘要: Novel triplet host materials 2,4,6-tris(diarylamino)-1,3,5-triazine derivatives (TRZ1-TRZ4) have been reported and from which TRZ2 as a host for Ir(ppy)(3) was particularly useful in producing high efficiency phosphorescent organic light emitting diodes (OLEDs). This Letter reports the molecular orbital and energy level of these derivatives determined by ab initio calculation. The calculated triplet bandgap energy of TRZ1 has been found to be larger than that of TRZ2 and the TRZ1 molecules and has the lowest dipole moment which infers the highest carrier mobility. Therefore, TRZ1 has the potential to be a superb triplet host material and electron transport material. (c) 2005 Elsevier B.V. All rights reserved.
URI: http://dx.doi.org/10.1016/j.cplett.2005.08.149
http://hdl.handle.net/11536/13158
ISSN: 0009-2614
DOI: 10.1016/j.cplett.2005.08.149
期刊: CHEMICAL PHYSICS LETTERS
Volume: 415
Issue: 1-3
起始頁: 137
結束頁: 140
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