為了改良以順式二苯乙烯/芴螺旋體混成系統的核心架構，我們將 10,11 的位置引入一個苯環，成功合成出以三芐環庚烷/芴螺旋體混成系統的核心架構，並接上苯氰基、吡啶、嘧啶官能基等拉電子基團作為一系列電子傳輸層材料，並進一步觀察其元件特性。在綠色磷光元件的表現上，TBPmF 表現最為亮眼，亮度為 1,000 cd/m2 下外部量子效率為 20.31 %； 電流效率以及功率效率為 72.0 cd/A 及 50.2 lw/W。
然而應用在藍色螢光元件上，以 TBppy 的效率表現最佳，在亮度為 1,000 cd/m2下外部量子效率為 7.7 %，電流效率及功率效率分別為 11.9 cd/A 及 6.0 lm/W，外部量子效率相比 ppys 高出了 31 %，而電流效率則高了 27 %。可見本實驗室三芐環庚烷核心架構比順式二苯乙烯模板更好，因此三芐環庚烷/芴螺旋體是一個極有潛力的電子傳輸層模板。

In order to further improve the cis-stilbene/fluorine spiro hybrid system which we created in the past 10 year. We synthesize a new Tribenzosuberane/fluorine spiro hybrid system, which act as electron transporting materials. Besides, we also explore how it work on OLED device. The most best Tribenzosuberane/fluorine spiro hybrid system material at green phosphorus device, TBPmF, was used as an electron transporting material on green phosphorus device, which show an EQE of 20.31 %, current efficiency of 72.00 cd/A, power efficiency 50.2 lm/W at 1000 cd/m2. On the other hand, the most best Tribenzosuberane/fluorine spiro hybrid system material at blue fluorescent device, TBppy, was used as an electron transporting material on blue fluorescent device, which show an EQE of 7.71 %, current efficiency of 11.9 cd/A, power efficiency 6 lm/W at 1000 cd/m2. The Tribenzosuberane/fluorine spiro hybrid system certainly increases the EQE and current efficiency by 31 % and 27 %. We therefore conclude that the Tribenzosuberane/fluorine spiro hybrid system as a more promising electron transporting core template.

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