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High-Efficiency Hybrid Polymer Solar Cells with Inorganic P- and N-Type Semiconductor Nanocrystals to Collect Photogenerated Charges
Shao, Shuyan1,2; Liu, Fengmin1; Xie, Zhiyuan1; Wang, Lixiang1
2010-05-20
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
ISSN1932-7447
Volume114Issue:19Pages:9161-9166
AbstractEfficient charge collection is one of the most important factors to achieve high power conversion efficiency for the bulk-heterojunction solar cells based on polymer blend films. We report enhanced hybrid polymer solar cells based on blends of a semiconducting polymer poly[2-methoxy-5-(2'-ethylhexyloxy)-1,4-phenylene vinylene] (MEH-PPV) as electron donor and crystalline n-type ZnO nanoparticle as electron acceptor by using p-type semiconducting Cu(2)O nanocrystal as an anode buffer layer between the indium tin oxide (ITO) anode and the MEH-PPV:ZnO blend layer. The p-type Cu(2)O nanocrystals of 30-40 nm diameter dispersed on ITO anode surface percolate into the MEH-PPV:ZnO blend layer serving as hole collection antenna to efficiently collect holes. The results show that the charge recombination in the MEH-PPV:ZnO blend layer resulting from low charge mobility of MEH-PPV is effectively restrained via hole-transport bypass of Cu(2)O nanocrystals. Compared to the control device with poly(ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) as a flat anode buffer layer, the short-circuit current increases 45% for the device with Cu(2)O nanocrystal as an anode buffer layer. Moreover, the lower ionization potential of Cu(2)O nanocrystal renders the device a high open-circuit voltage compared to the device with PEDOT:PSS as an anode buffer layer. The optimal device with Cu(2)O nanocrystal as an anode buffer layer shows a power conversion efficiency of 2.0%, a 132% increase compared to the device with PEDOT:PSS as an anode buffer layer.
DOI10.1021/jp1013169
Indexed BySCI
Language英语
WOS IDWOS:000277500000063
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:34[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/71102
Collection中国科学院化学研究所
Corresponding AuthorXie, Zhiyuan
Affiliation1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
2.Chinese Acad Sci, Grad Sch, Changchun 130022, Peoples R China
Recommended Citation
GB/T 7714
Shao, Shuyan,Liu, Fengmin,Xie, Zhiyuan,et al. High-Efficiency Hybrid Polymer Solar Cells with Inorganic P- and N-Type Semiconductor Nanocrystals to Collect Photogenerated Charges[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2010,114(19):9161-9166.
APA Shao, Shuyan,Liu, Fengmin,Xie, Zhiyuan,&Wang, Lixiang.(2010).High-Efficiency Hybrid Polymer Solar Cells with Inorganic P- and N-Type Semiconductor Nanocrystals to Collect Photogenerated Charges.JOURNAL OF PHYSICAL CHEMISTRY C,114(19),9161-9166.
MLA Shao, Shuyan,et al."High-Efficiency Hybrid Polymer Solar Cells with Inorganic P- and N-Type Semiconductor Nanocrystals to Collect Photogenerated Charges".JOURNAL OF PHYSICAL CHEMISTRY C 114.19(2010):9161-9166.
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