期刊
ACS APPLIED ELECTRONIC MATERIALS
卷 1, 期 12, 页码 2489-2501出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsaelm.9b00450
关键词
luminescence imaging quantification; photovoltaic mechanisms; organic solar cells; perovskite solar cells
资金
- Conseil Savoie Mont Blanc (region)
- University Savoie Mont Blanc
- Commissariat a l'energie atomique et aux energies alternatives
This Article first addresses the need for intrinsic electroluminescence and photoluminescence imaging characterizations. Both are always performed in arbitrary units preventing system comparisons as a function of chemistry, processing, aging time, or between different authors. We propose a simple equation to extract the intrinsic contribution of the sample in a broad range of measurement conditions. This work will enable authors to vary the measurement features to optimize the outcomes in resolution/saturation for photonic characterization. This method will also help model the electroluminescence and photoluminescence mechanisms with quantitative data. It should therefore be possible to carry out a much broader and systematic study to help the future development of solar cells. The developed quantification method was applied to organic and perovskite solar cells. According to the selected analysis, filters must be added to isolate the photovoltaic mechanisms coming from the active layer itself from that of the active layer electrode interfaces. It was even possible to compare the organic and perovskite technologies and, better appreciate their functioning principle and its impact on the overall photovoltaic performances.
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