期刊
ORGANIC ELECTRONICS
卷 45, 期 -, 页码 209-214出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.orgel.2017.03.013
关键词
Organic photovoltaics; Large area processing; Semi-transparent; Module; Slot-die coating; Renewable energy
资金
- Bavarian State Government [FKZ 20.2-3410.5-4-5]
- German federal ministry of education and research (BMBF) [03EK3501]
Currently, certified lab scale organic photovoltaic (OPV) cells reach efficiencies of more than 12% and life times of 10 years. For commercialization, it is necessary to understand which performance can be reached in fully printed large scale products. Our investigations show that large area, semi-transparent organic photovoltaic modules based on industrially available materials can achieve power conversion efficiencies of more than 4.8% on rigid substrates and 43% on flexible ones. The modules processed with a combination of large area coating and laser patterning with an active area of 68.76 cm(2) for flexible modules and a total area of 197.4 cm(2) for glass modules offer exceptionally high geometric fill factors of more than 94% and a transparency of more than 10%. The processing recipe and the layout of the modules are based on indications of optical and electrical simulations which allow to produce devices with only negligible losses in comparison to small single cell devices. Losses due to imperfect coating or patterning are identified by thermal imaging. (C) 2017 Elsevier B.V. All rights reserved.
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