Organic solar cell having surface heterojunctions active layer and method for manufacturing the same

專利類型

發明

專利國別 (專利申請國家)

美國

專利申請案號

14/859,534

專利證號

US 9,966,547 B2

專利獲證名稱

Organic solar cell having surface heterojunctions active layer and method for manufacturing the same

專利所屬機關 (申請機關)

國立成功大學

獲證日期

2018/05/08

技術說明

本研究是針對有機太陽能電池(OPV)的主動層加以改良，不以一般塊材異質接面bulk heterojunction (BHJ)的掺混(blend)主動層方式來製作有機太陽能電池(OPV)，而是以類似雙層(bilayer)主動層的概念先形成施體(Donor)後再形成授體(Acceptor)，不同於雙層(bilayer)主動層結構，此研究會因疏水性現象讓授體(Acceptor)在施體(Donor)上形成奈米顆粒(nanoparticle)，讓有機主動層所產生的接面(interface)增加，也因此可增加電子電洞的傳遞順暢，由於接面增加及電子電洞傳遞路徑的順暢讓有機主動層的電流密度(Jsc)及充填因子(FF)更為提升，達到比混掺(blend)主動層的塊材異質接面bulk heterojunction (BHJ)有機太陽能電池光電轉換效率(PCE)更佳，我們稱之為平面異質接面之有機太陽能電池(surface heterojunction OPV)。 The invention relates to an organic solar cell having a planar heterojunction active layer and a method for manufacturing the same. The organic solar cell comprises a glass substrate, a first electrode, a first transmission layer, an active layer, a second transmission layer and a second electrode. The first electrode is formed on the glass substrate. The first transmission layer is formed on the first electrode, and an active layer is formed on the first transmission layer. The second transmission layer is formed on the active layer, and the second electrode is formed on the second transmission layer. The active layer consists of a donor layer and a plurality of acceptor particles embedded within the donor layer. By hydrophobic phenomenon between the donor and the acceptor, the acceptor is formed a plurality of nanoparticles on the donor layer to increase the area of junction generated by the active layer to efficiently improve the performance of the organic solar cell.

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