期刊
ORGANIC ELECTRONICS
卷 10, 期 3, 页码 496-500出版社
ELSEVIER
DOI: 10.1016/j.orgel.2009.02.009
关键词
Organic solar cells; Bulk-heterojunction; Water-soluble conjugated polymers; Cathode modification
资金
- Heeger Center for Advanced Materials (HCAM)
- Biolmaging Research Center at GIST
- Ministry of Education of Korea through Brain Korea 21 program [BK21]
- Korea Science and Engineering Foundation (KOSEF) [M10500000077-0610000-07710]
- Korea Science and Engineering Foundation (KOSEF) NCRC
- Korea government (MEST) [1115-2008-00602001-0]
- Ministry of Education, Science & Technology (MoST), Republic of Korea [gist-15] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2008-0062150] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Use of a polyfluorene derivative (WPF-oxy-F) as the cathode interfacial layer was investigated for low-cost and high-efficiency organic solar cells (OSCs) based on poly(3-hexylthiophene) (P3HT) and 1-(3-methoxycarbonyl)-propyl-1-phenyl-(6,6)C-61 (PCBM). Insertion of the WPF-oxy-F interfacial layer between the P3HT/PCBM active layer and the metal cathode increased overall power conversion efficiency from 2.95% to 3.77% primarily due to the improved open circuit voltage and enhanced fill factor, resulting from a reduction of the metal work-function through the introduction of WPF-oxy-F. Crown Copyright (C) 2009 Published by Elsevier B.V. All rights reserved.
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