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探討電極緩衝層對有機太陽能電池效率之研究 = Investigation...

國立高雄大學應用物理學系碩士班

探討電極緩衝層對有機太陽能電池效率之研究 = Investigation of electrode buffer layers for the performance on organic solar cells

紀錄類型:	書目-語言資料,印刷品 : 單行本
並列題名:	Investigation of electrode buffer layers for the performance on organic solar cells
作者:	黃保勛,
其他團體作者:	國立高雄大學
出版地:	[高雄市]
出版者:	撰者;
出版年:	2014[民103]
面頁冊數:	79葉部分彩圖,表 : 30公分;
標題:	有機太陽能電池
標題:	Organic solar cells
電子資源:	https://hdl.handle.net/11296/ncn4vj
附註:	108年10月31日公開
附註:	參考書目：葉45-48
摘要註:	在本研究中，利用銅酞菁(CuPc)作為施體材料以及富勒烯(C60)作為受體材料形成有機主動層結構，其中以浴銅靈(BCP)作為陰極緩衝層，並將氧化鉬(MoO3)和五環素(Pentacene)作為雙層陽極緩衝層(ABL)，完成一個最佳化和明顯提升元件表現的小分子有機太陽能電池(SM-OSCs)，其元件詳細結構如下所示：Glass-ITO/ABL/CuPc (20 nm)/C60 (30 nm)/BCP (10 nm)/Al (100 nm)。我們同時也針對各個緩衝層材料與有機主動層之間的界面關係，來對元件之參數作更深入之探討。而結果指出當元件多增加一層陽極緩衝層，不僅能夠改善電荷載子的傳輸能力和增加光激子的分離效率，還能夠顯示在基本結構中(CuPc/C60)電荷載子的產生和在復合的過程，進一步增強元件生命週期的可靠度。相較於參考的文獻資料，在AM 1.5 G的太陽能光譜之下，元件轉換效率從0.564%上升至0.782%，效率的半衰期從3天提高至10天。效率的增加不僅歸因於Pentacene材料具有較高之載子遷移率(~1.5 cm2/Vs)及場效遷移率(~3.0 cm2/Vs)的特性，也因為MoO3材料能夠阻隔電子往陽極移動，也就是減少漏電流的發生，故元件的開路電壓，短路電流以及元件效率皆得到了提升。在此同時，我們更進一步利用雙層陽極緩衝層來達到使能階匹配，並同時包含上述兩者優點的方法，以達成在維持原本元件效率的情況下，能加強元件可靠度的研究。 An optimized planar heterojunction (PHJ) of small molecule organic solar cells (SM-OSCs) based on copper phthalocyanine (CuPc) as donor and fullerene (C60) as acceptor was fabricated, which obviously increase the performance of device by using organic materials Bathocuproine (BCP) as cathode buffer layer (CBL) and both Molybdenum trioxide (MoO3) and Pentacene as anode buffer layers (ABL), with a structure of Glass-ITO/ABL/CuPc (20 nm)/C60 (30 nm)/BCP (10 nm)/Al (100 nm) in this study. We have also observed the effect of each buffer layer material on interface relationship of active layer to intensively research on device parameters. On the whole, the double ABL, which improved transport of charge carriers within near-electrode regions, reduce dissociation of excitons on electrodes and reveal processes of charge carrier generation and recombination within the CuPc/C60 junction to further enhance the reliability of device lifetime. The power conversion efficiency (PCE) compared to reference information was improved from 0.564 % to 0.782 % under 1sun standard AM 1.5G solar illumination at intensity of 100 mW/cm2 and of half life of device from 3 day to 10 day. This achievement of efficiency is not only attributed to the properties of pentacene, which is more suitable in holes transporting ability of high carrier mobility (~1.5 cm2/Vs) and field-effect mobility (~3.0 cm2/Vs), but also the thin MoO3 layer blocks the transfer of electrons into anode and therefore reduces electron leakage current, which leads to the increase of open circuit voltage (Voc), short circuit current (Jsc), and PCE. At the same time, the enhanced performance of device was also considered as favorable energy level alignment by inserting Pentacene layer between MoO3 and CuPc layer and maintained advantages from the above. That is to say that the device with double anode buffer layers (DABL) has exhibited the highest value of Voc, fill factor (FF) and lifetime in this work.

探討電極緩衝層對有機太陽能電池效率之研究 = Investigation of electrode buffer layers for the performance on organic solar cells
黃, 保勛

探討電極緩衝層對有機太陽能電池效率之研究 = Investigation of electrode buffer layers for the performance on organic solar cells / 黃保勛撰 - [高雄市] : 撰者, 2014[民103]. - 79葉 ; 部分彩圖,表 ; 30公分.
108年10月31日公開參考書目：葉45-48.
有機太陽能電池Organic solar cells

探討電極緩衝層對有機太陽能電池效率之研究 = Investigation of electrode buffer layers for the performance on organic solar cells
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