NDLI: Enhanced Operating Temperature Stability of Organic Solar Cells with Metal Oxide Hole Extraction Layer

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Enhanced Operating Temperature Stability of Organic Solar Cells with Metal Oxide Hole Extraction Layer

Content Provider	MDPI
Author	Lee, Donggu Kim, Junmo Park, Gyeongtae Bae, Hyeong Woo An, Myungchan Kim, Jun Young
Copyright Year	2020
Description	Organic solar cells (OSCs) are promising renewable energy sources for replacing fossil fuels. The power conversion efficiency (PCE) of OSCs has increased based on tremendous effort in material and device engineering. Still, the stability of OSC, such as long lifetime, negative temperature coefficient, must be enhanced for commercialization. In this study, we investigated OSC performance at a high operating temperature near 300–420 K, which are typical temperature regions in photovoltaic applications, with a different hole-extraction layer (HEL). The metal oxide-based HEL, MoO3, exhibited stable operating properties with a PCE drop rate of −0.13%/°C, as compared to polymeric HEL, PEDOT:PSS (−0.20%/°C). This performance reduction of polymeric HEL originated from the degradation of the interface in contact with PEDOT:PSS, as compared to the robust inorganic metal oxide HEL.
Starting Page	992
e-ISSN	20734360
DOI	10.3390/polym12040992
Journal	Polymers
Issue Number	4
Volume Number	12
Language	English
Publisher	MDPI
Publisher Date	2020-04-24
Access Restriction	Open
Subject Keyword	Polymers Polymer Solar Cell Molybdenum Oxide Operating Temperature Hole-extraction Layer Moo3
Content Type	Text
Resource Type	Article

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