Enhanced Performance of PTB7:PC71BM Based Organic Solar Cells by Incorporating a Nano-Layered Electron Transport of Titanium Oxide

被引：9
|
作者：
Al-Shekaili, Naser [1 ]
Hashim, Suhairul [1 ]
Muhammadsharif, Fahmi F. [2 ,3 ]
Al-Abri, M. Z. [4 ]
Sulaiman, Khaulah [2 ]
Yahya, Mohd Y. [5 ]
Ahmad, Mohd Ridzuan [6 ]
机构：
[1] Univ Teknol Malaysia, Fac Sci, Dept Phys, Skudai 81310, Johor, Malaysia
[2] Univ Malaya, Fac Sci, Low Dimens Mat Res Ctr, Dept Phys, Kuala Lumpur 50603, Malaysia
[3] Koya Univ, Fac Sci & Hlth, Dept Phys, Koya 44023, Kurdistan Regio, Iraq
[4] Sultan Qaboos Univ, Nanotechnol Res Ctr, Squ, Al Khoudh, Oman
[5] Univ Teknol Malaysia, Fac Mech Engn, Ctr Adv Composite Mat CACM, Inst Vehicle Syst & Engn, Skudai 81310, Johor, Malaysia
[6] Univ Teknol Malaysia, Fac Elect Engn, Dept Control & Mechatron Engn, Skudai 81310, Johor, Malaysia
来源：
ECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY | 2020年 / 9卷 / 10期
关键词：
FILL FACTOR; POLYMER; EFFICIENCY; MORPHOLOGY; STABILITY; PTB7;
D O I：
10.1149/2162-8777/abc1c1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The performance improvement of PTB7:PC71BM based organic solar cells was achieved and optimized by using a very thin layer of TiO as electron transporting layer (ETL) between the cathode electrode (Al) and active layer of the devices. Different thicknesses of TiO ETL were thermally deposited onto the solution-processed active layers followed by aluminium deposition and device encapsulation under glovebox. Results showed that with the use of 5 nm TiO the power conversion efficiency was improved from 5.6% to 9.63%. This interesting enhancement was attributed to various effects of TiO ETL at the boundary/interface of the semiconductor-metal component. Furthermore, high photosensitivity and fast photo-response for the investigated devices with the presence of TiO indicated their viable use as light photodetector.
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页数：9
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