本論文使用圓棒塗佈法取代傳統旋轉塗佈法製作有機太陽能電池，並嘗試將面積逐漸放大從而探討大面積的電子傳遞機制再利用自組裝分子薄膜技術做介面修飾。
圓棒塗佈速度除了影響膜的厚度，塗佈時也會影響高分子的排列，以塗佈P3HT:PCBM可發現速度越快讓P3HT排列變好但P3HT:PCBM整體的相分離卻變差；主動層使用氯苯為溶劑在快速乾燥下生成的膜較不均勻會影響元件的串聯電阻，改使用沸點高的鄰二氯苯生成的膜較為平整，提升元件效率；將太陽能電池的面積放大到超過1cm²，塗佈於5.5*2cm²的基板製作1.5、2、2.5 cm²時溶液使用量的調控也會影響成膜的品質，測試出來為40μl最適合。最後使用不同偶極矩的自組裝單分子薄膜應用在不同大小面積上，作為正電極與電子傳導層之介面修飾。

This study uses the meniscus coating method to replace the traditional spin coating method to fabricate organic solar cells. Scale-up organic solar cell’s work area and discuss the large-area electron transfer mechanism. Finally, use self-assembled molecular technology for interface modification.
The coating speed mainly affects the thickness of the film, but also affects the arrangement of the polymer when the film is wet. The faster the speed, the thinner the film thickness but the better the arrangement. The active layer uses chlorobenzene as a non-uniform film because the solvent rapid drying on the hot plate when we are coating P3HT:PCBM the non-uniform film will affect the series resistance of the device. The film produced by using o-dichlorobenzene with a high boiling point is relatively flat and improves the efficiency of the device. The area of the solar cell is enlarged to more than 1cm², the series resistance becomes large. So through the adjustment of the amount of solution, efficiency increased from 0.64% to 0.81% for 2.5cm². Finally, the self-assembled monolayer with different dipole moments is used in the different work areas as the interface modification between the electrode and the electron buffer layer.

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