Presentation 2013-04-25
Influence of LiF Buffer Layer on Performance of Flexible PTB7:PC70BM Bulk Hetero-junction Solar Cells
Tatsuki YANAGIDATE, Masaya OHZEKI, Yuichiro YANAGI, Yuki ARAI, Takanori OKUKAWA, Akira YOSHIDA, Shunjiro FUJII, Hiromichi KATAURA, Yasushiro NISHIOKA,
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Abstract(in English) Bulk hetero-junction solar cells based on [Poly[[4,8-bis[(2-ethylhexyl)oxy]benzo [1,2-b:4,5-b']dithiophene-2,6-diyl][3-fluoro-2-[(2-ethylhexyl)carbonyl]thieno[3,4-b]-thiophenediyl] (PTB7) and phenyl-C_<71>-butyric-acid-methyl-ester (PC_<70>BM) on a flexible indium tin oxide (ITO)-coated polyethylene terephthalate (PET) substrate. The fabricated structure was Al/LiF/PTB7:PC_<70>BM/PEDOT:PSS/ITO, and the influences of the lithium fluoride (LiF) buffer layer on the performances of the solar cells were investigated. The LiF layer significantly enhanced the open-circuit voltages and power conversion efficiencies of the solar cells presumably due to the better contact between the Al cathode and the PTB7:PC_<70>BM layer. The resulted conversion efficiency was increased from 2.31% to 4.02% by inserting the LiF layer.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) flexible / PET substrate / buffer layer / LiF / PTB7 / bulk hetero-junction
Paper # SDM2013-6,OME2013-6
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Committee OME
Conference Date 2013/4/18(1days)
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Registration To Organic Material Electronics (OME)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Influence of LiF Buffer Layer on Performance of Flexible PTB7:PC70BM Bulk Hetero-junction Solar Cells
Sub Title (in English)
Keyword(1) flexible
Keyword(2) PET substrate
Keyword(3) buffer layer
Keyword(4) LiF
Keyword(5) PTB7
Keyword(6) bulk hetero-junction
1st Author's Name Tatsuki YANAGIDATE
1st Author's Affiliation College of science and technology, Nihon University()
2nd Author's Name Masaya OHZEKI
2nd Author's Affiliation College of science and technology, Nihon University
3rd Author's Name Yuichiro YANAGI
3rd Author's Affiliation College of science and technology, Nihon University
4th Author's Name Yuki ARAI
4th Author's Affiliation College of science and technology, Nihon University
5th Author's Name Takanori OKUKAWA
5th Author's Affiliation College of science and technology, Nihon University
6th Author's Name Akira YOSHIDA
6th Author's Affiliation College of science and technology, Nihon University
7th Author's Name Shunjiro FUJII
7th Author's Affiliation Nanosystem Research Institute, National Institute of Advanced Industrial Science and Technology(AIST)
8th Author's Name Hiromichi KATAURA
8th Author's Affiliation Nanosystem Research Institute, National Institute of Advanced Industrial Science and Technology(AIST)
9th Author's Name Yasushiro NISHIOKA
9th Author's Affiliation College of science and technology, Nihon University
Date 2013-04-25
Paper # SDM2013-6,OME2013-6
Volume (vol) vol.113
Number (no) 18
Page pp.pp.-
#Pages 5
Date of Issue