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Efficiency Enhancement of MEH-PPV: PCBM Solar Cells by Addition of Ditertutyl Peroxide as an Additive
Tianjin University of Technology, China .
Tianjin University of Technology, .
Tianjin University of Technology, .
Tianjin University of Technology, .
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2013 (English)In: Chinese Physics Letters, ISSN 0256-307X, E-ISSN 1741-3540, Vol. 30, no 1Article in journal (Refereed) Published
Abstract [en]

Improved power conversion efficiency (PCE) and stability of organic bulk heterojunction (BHJ) solar cells based on poly (2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene) (MEH-PPV) and methanofullerene [6,6]-phenyl C-61-butyric acid methyl ester (PCBM) blends are obtained by using ditert butyl peroxide (DTBP) as an additive. The effect of the DTBP contents on the performance of photovoltaic cells is investigated. The results reveal that efficiency enhancement of MEH-PPV: PCBM solar cells can be realized by carefully tuning the contents of DTBP. Compared to the control device, the optimized device with 0.5wt% DTBP additive exhibits enhanced performance with J(sc) of (3.51 +/- 0.21) mA/cm(2), FF of (44.45 +/- 0.71)%, and PCE of (1.31 +/- 0.08)%, increased by 9.3%, 8.0% and 22.4%, respectively. The stability of the device is found to be improved by adding 0.5wt% of DTBP.

Place, publisher, year, edition, pages
Institute of Physics Publishing (IOPP), 2013. Vol. 30, no 1
National Category
Natural Sciences
URN: urn:nbn:se:liu:diva-89530DOI: 10.1088/0256-307X/30/1/017202ISI: 000313744500041OAI: diva2:608561

Funding Agencies|National Natural Science Foundation of China|6087604660976048|Key Project of the Ministry of Education of China|209007|Tianjin Natural Science Foundation|10ZCKFGX0190012JCQNJC0130010SYSYJC28100|Scientific Developing Foundation of Tianjin Education Commission|20100723|Tianjin Key Discipline of Material Physics and Chemistry||

Available from: 2013-02-28 Created: 2013-02-26 Last updated: 2013-03-11

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Zhang, Feng-Ling
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Biomolecular and Organic ElectronicsThe Institute of Technology
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