High photocurrent in oligo-thienylenevinylene-based small molecule solar cells with 4.9% solar-to-electrical energy conversion
A set of five novel oligo-thienylenevinylene organic molecules have been synthesized and characterized for use as electron donor moieties in bulk-heterojunction solution-processed organic solar cells combined with PC sub(71)BM as an electron acceptor. The results show a broad range of solar-to-elect...
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| Veröffentlicht in: | Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2015-05, Vol.3 (21), p.11340-11348 |
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| container_end_page | 11348 |
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| container_issue | 21 |
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| container_title | Journal of materials chemistry. A, Materials for energy and sustainability |
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| creator | Montcada, Nuria F Dominguez, Rocio Pelado, Beatriz de la Cruz, Pilar Palomares, Emilio Langa, Fernando |
| description | A set of five novel oligo-thienylenevinylene organic molecules have been synthesized and characterized for use as electron donor moieties in bulk-heterojunction solution-processed organic solar cells combined with PC sub(71)BM as an electron acceptor. The results show a broad range of solar-to-electrical conversion efficiencies, with values up to 4.9% achieved with a photocurrent value as high as 12 mA cm super(-2) under standard measurement conditions. Moreover, another aim of this study was to determine the main limiting processes that control the final performance parameters of these devices. Photo-induced charge transfer measurements, such as charge extraction (CE), Transient Photo-Voltage (TPV) and mobility measurements, were carried out in order to determine the main loss mechanisms and to correlate them with the electron donor molecular design. |
| doi_str_mv | 10.1039/c5ta01632k |
| format | Article |
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The results show a broad range of solar-to-electrical conversion efficiencies, with values up to 4.9% achieved with a photocurrent value as high as 12 mA cm super(-2) under standard measurement conditions. Moreover, another aim of this study was to determine the main limiting processes that control the final performance parameters of these devices. Photo-induced charge transfer measurements, such as charge extraction (CE), Transient Photo-Voltage (TPV) and mobility measurements, were carried out in order to determine the main loss mechanisms and to correlate them with the electron donor molecular design.</description><identifier>ISSN: 2050-7488</identifier><identifier>EISSN: 2050-7496</identifier><identifier>DOI: 10.1039/c5ta01632k</identifier><language>eng</language><subject>Charge transfer ; Constraining ; Conversion ; Current carriers ; Photocurrent ; Photoelectric effect ; Photovoltaic cells ; Solar cells ; Sustainability</subject><ispartof>Journal of materials chemistry. 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| identifier | ISSN: 2050-7488 |
| ispartof | Journal of materials chemistry. A, Materials for energy and sustainability, 2015-05, Vol.3 (21), p.11340-11348 |
| issn | 2050-7488 2050-7496 |
| language | eng |
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| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Charge transfer Constraining Conversion Current carriers Photocurrent Photoelectric effect Photovoltaic cells Solar cells Sustainability |
| title | High photocurrent in oligo-thienylenevinylene-based small molecule solar cells with 4.9% solar-to-electrical energy conversion |
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