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Title:
POLYMER AND ORGANIC SOLAR CELL INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2019/066305
Kind Code:
A1
Abstract:
The present specification relates to: a polymer including a first unit represented by chemical formula 1, a second unit represented by chemical formula 2, and a third unit represented by chemical formula 3 or chemical formula 4; and an organic solar cell including the polymer in a photoactive layer.

Inventors:
KIM, Ji Hoon (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
LEE, Jiyoung (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
JANG, Songrim (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
CHOI, Doowhan (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
LIM, Bogyu (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
Application Number:
KR2018/010609
Publication Date:
April 04, 2019
Filing Date:
September 11, 2018
Export Citation:
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Assignee:
LG CHEM, LTD. (128 Yeoui-daero, Yeongdeungpo-gu, Seoul, 07336, KR)
International Classes:
C08G61/12; C08L65/00; H01L31/0256; H01L51/42
Domestic Patent References:
WO2017047808A12017-03-23
Other References:
LIN, Y. ET AL.: "High-performance Electron Acceptor with Thienyl Side Chains for Organic Photovoltaics", JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, vol. 138, no. 14, 2016, pages 4955 - 4961, XP055385947, DOI: doi:10.1021/jacs.6b02004
LI, S. ET AL.: "Energy-Level Modulation of Small-Molecule Electron Acceptors to Achieve over 12% Efficiency in Polymer Solar Cells", ADVANCED MATERIALS, vol. 28, no. 42, 2016, pages 9423 - 9429, XP055536540, DOI: doi:10.1002/adma.201602776
ZHAO, W. ET AL.: "Molecular Optimization Enables over 13% Efficiency in Organic Solar Cells", JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, vol. 139, no. 21, 17 May 2017 (2017-05-17), pages 7148 - 7151, XP055511228, DOI: doi:10.1021/jacs.7b02677
WANG, Q. ET AL.: "Efficient Fullerene-Free Polymer Solar Cells Based on Alkylthio Substituted Conjugated Polymers", THE JOURNAL OF PHYSICAL CHEMISTRY C, vol. 121, no. 9, 10 February 2017 (2017-02-10), pages 4825 - 4833
XU, G. ET AL.: "N-Type Conjugated Electrolytes Cathode Interlayer with Thickness-insensitivity For Highly Efficient Organic Solar Cells", JOURNAL OF MATERIALS CHEMISTRY A, vol. 5, no. 26, 31 May 2017 (2017-05-31), pages 13807 - 13816, XP055585938
BIN, H. ET AL.: "Non-fullerene Polymer Solar Cells Based on Alkylthio and Fluorine Substituted 2D-conjugated Polymers Reach 9.5% Efficiency", JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, vol. 138, no. 13, 2016, pages 4657 - 4664
GAO, L. ET AL.: "High-Efficiency Nonfullerene Polymer Solar Cells with Medium Bandgap Polymer Donor and Narrow Bandgap Organic Semiconductor Acceptor", ADVANCED MATERIALS, vol. 28, no. 37, 2016, pages 8288 - 8295, XP055585943
Attorney, Agent or Firm:
CHUNG, Soon-Sung (6F Tower837 Bldg, 318 Gangnam-daero,,Gangnam-gu, Seoul, 06253, KR)
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