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Improving power conversion efficiency of polymer solar cells by doping copper phthalocyanine
S China University of Technology, Peoples R China.
S China University of Technology, Peoples R China.
Linköping University, Department of Physics, Chemistry and Biology, Surface Physics and Chemistry. Linköping University, The Institute of Technology.
2015 (English)In: Electrochimica Acta, ISSN 0013-4686, E-ISSN 1873-3859, Vol. 180, 645-650 p.Article in journal (Refereed) Published
Abstract [en]

To improve the efficiency of polymer solar cells, a third component copper phthalocyanine (CuPc) was added into poly(3-hexylthiophene) (P3HT) and phenyl-C61-butyric acid methyl ester (PCBM) binary blends, the normal and inverted ternary blend solar cells were fabricated. The results showed that the incorporation of the CuPc into P3HT:PCBM binary blends not only broadened the absorption range of solar spectrum but also improved the charge separation and transport properties. As a result, a higher short circuit current and fill factor were obtained for ternary blend devices, especially, the power conversion efficiencies (PCEs) of the ternary blend solar cells increased 19% compared with the PCEs of binary blend solar cells. (C) 2015 Elsevier Ltd. All rights reserved.

Place, publisher, year, edition, pages
PERGAMON-ELSEVIER SCIENCE LTD , 2015. Vol. 180, 645-650 p.
Keyword [en]
Polymer solar cells; Ternary blends; P3HT:CuPc:PCBM; Power conversion efficiency
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:liu:diva-122658DOI: 10.1016/j.electacta.2015.08.090ISI: 000363345100078OAI: oai:DiVA.org:liu-122658DiVA: diva2:871723
Note

Funding Agencies|National Natural Science Foundation of China [61176061, 61474046, 11247253]

Available from: 2015-11-16 Created: 2015-11-13 Last updated: 2015-11-16

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Shi, Shengwei
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Surface Physics and ChemistryThe Institute of Technology
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