Understanding the mechanisms of light emission from DCJTB charge-transfer states in OLEDs using organic magnetic field effects

Fast Transfer of Triplet to Doublet Excitons from Organometallic Host to Organic Radical Semiconductors

“…[50] A positive MEL was observed in the 3% TTM-3PCz in CMA-CF 3 device. The magnetosensitivity is attributed to Zeeman splitting [53,54] of triplet exciton sublevels, with positive MEL effects from increased triplet CMA-CF 3 exciton populations in the presence of magnetic field, and therefore an enhanced triplet-to-doublet energy transfer. [55] Device stability is a key property that must be realized for the practical use of radical OLEDs.…”

Microscopic processes of Rubrene-doped devices with various exciplexes as hosts

“…研究发现, 在掺杂器件中, 主体材料的波长短于客 体掺杂剂的发光波长是允许器件发生能量转移的条件 之一 [19] . 器件C中, m-MTDATA:Bphen的PL谱峰值 (560 nm) [24] 与Rubrene(562 nm)的基本相等, 即其EX 1 能 级(2.21 eV) [24] 与S 1,Rub 能级(2.23 eV) [8,9] 相等; 而器件D 中, 主体TCTA:PO-T2T的PL谱峰位(538 nm) [25] PO-T2T的能级, 使得器件F中主体与客体存在更大的 三线态能级差, 导致DET较弱, HL-RISC过程较弱 [12,18] .…”