Authors: Milenković, Branislav 
Jovanović, Đorđe 
Krstić, Mladen
Affiliations: Computer Science 
Mathematical Institute of the Serbian Academy of Sciences and Arts 
Title: Solar cells for window applications
First page: 51
Related Publication(s): Book of Abstracts
Conference: Twentieth Young Researchers Conference - Materials Science and Engineering
Issue Date: 2022
Rank: M34
ISBN: 978-86-80321-37-0
Organic solar cells have the potential to provide low-cost photovoltaic devices as a clean and
renewable energy resource, offering flexibility and easy processing. In addition, by choosing
different materials for the active layer, the solar cells can be tuned to colourful aesthetic
semi‐transparent devices, which designers and architects can explore, e.g., for window
designs. In this paper, we will try to enhance absorption in the active layers and thus
efficiency of semi-transparent devices by using tandem bulk heterojunction solar cell
architecture. We will have a look on two difference active layer as the first solution blend
will be made of PCPDTBT (donor) and PCBM (acceptor), whose absorption peak is at the
red-infrared part of the solar spectrum, while the second active layer will be made from
P3HT (donor) and PCBM (acceptor), whose absorption peak is at the blue-green part of the
spectrum. As the absorption ranges of these two active layers are complementary, the
resulting absorption will cover a wider spectral range, enhancing the power conversion
efficiency. At the same time, the semi-transparency of the solar cells will be optimized by
controlling the thicknesses of the layers. To be sure that the solar cells are getting
semi-transparent the electrodes must also be semi-transparent, and this will be made from
ITO and from commercially available conductive polymers.
Publisher: Materials Research Society of Serbia & Institute of Technical Sciences of SASA

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