Optimizing the optical properties of a dye-based luminescent down-shifter to improve the performance of organic photovoltaic devices
| Autor: | Andres David Pardo Perdomo, Ricardo Vignoto Fernandes, Edson Laureto, Neusmar Artico Cordeiro Junior, José Leonil Duarte |
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| Rok vydání: | 2019 |
| Předmět: |
Photocurrent
Materials science Photoluminescence business.industry Process Chemistry and Technology General Chemical Engineering Photovoltaic system Quantum yield 02 engineering and technology 010402 general chemistry 021001 nanoscience & nanotechnology medicine.disease_cause 01 natural sciences 0104 chemical sciences Downshifting Absorbance medicine Optoelectronics 0210 nano-technology business Luminescence Ultraviolet |
| Zdroj: | Dyes and Pigments. 169:1-6 |
| ISSN: | 0143-7208 |
| Popis: | Through luminescence downshifting (LDS) effect, high energy solar radiation is converted to a wavelength region where the response of the photovoltaic devices is better. Additionally, LDS layers deposited on organic materials-based devices could provide a protective feature for the atmospheric agents, like ultraviolet photons, oxygen and moisture, that cause material degradation. This work reports an optimization procedure for the optical properties of a LDS layer composed by the organic dye commercially called Kremer Blue dispersed on poly-methyl methacrylate (PMMA) inert matrix. With optimized values for photoluminescence quantum yield (PLQY) and absorbance parameters, this LDS layer became an efficient, low cost UV filter for solar cells based on poly (3-hexylthiophene):[6,6]‐phenyl C61‐butyric acid methyl ester (P3HT:PC61BM) blend, at the same time that provoked a significant increasing (around 6%) in the device's photocurrent production. Such optimization procedure can be applied to other materials that could be candidates as luminescence down-shifters for the various photovoltaic technologies currently available. |
| Databáze: | OpenAIRE |
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