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发布日期: Aug 14, 2019
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Mapping the energetic landscape of solar cells: Physicists develop new spectroscopic method -- ScienceDaily

Science News from research organizations Mapping the energetic landscape of solar cells. Physicists develop new spectroscopic method. Date: August 13, 2019 Source: University of Heidelberg Summary: A new spectroscopic method now makes it possible to measure and visualize the energetic landscape inside solar cells based on organic materials. It was developed by a physicist. This novel visualization technique enables scientists to study the physical principles of organic photovoltaics with extreme precision and to better understand processes such as energetic losses. Share: FULL STORY A new spectroscopic method now makes it possible to measure and visualise the energetic landscape inside solar cells based on organic materials. It was developed by a research team led by Prof. Dr Yana Vaynzof, a physicist at Heidelberg University. This novel visualisation technique enables scientists to study the physical principles of organic photovoltaics with extreme precision and to better understand processes such as energetic losses. advertisement "Mapping our Earth's landscapes was a necessary step for understanding the movement patterns and dynamics of people, animals and water, among other examples," explains Prof. Vaynzof, research group leader at the Kirchhoff Institute for Physics at Heidelberg University. "Similarly, the movement of electric charges in a solar cell is determined by the energetic landscape within the device." Until now, visualising these energetic landscapes was so challenging that only rough estimates could be used to study the fundamental processes in organic photovoltaic devices. The spectroscopic method developed by the Heidelberg researchers can map the energetic landscape on a nanometre scale and can be applied at any point during the solar cell's lifetime. "The strength of our method lies in its excellent resolution and great versatility," says Vincent Lami, member of Prof. Vaynzof's team and the lead author of the study. According to Prof. Vaynzof, their work solves a key problem in the field of organic photovoltaics. "Without mapping the energetic landscapes, it is difficult to understand how and why devices lose energy in the process of converting light into electricity. Now we have a spectroscopic method that allows us to develop new generations of solar cells with reduced energy losses and improved performance," emphasises the scientist, who heads the "Organic Electronics" research group at the Kirchhoff Institute for Physics and works at the Centre for Advanced Materials of Heidelberg University. advertisement Story Source: Materials provided by University of Heidelberg. Note: Content may be edited for style and length. Journal Reference: Vincent Lami, Andreas Weu, Jiangbin Zhang, Yongsheng Chen, Zhuping Fei, Martin Heeney, Richard H. Friend, Yana Vaynzof. Visualizing the Vertical Energetic Landscape in Organic Photovoltaics. Joule, 2019; DOI: 10.1016/j.joule.2019.06.018 . Cite This Page: MLA. APA. Chicago. University of Heidelberg. "Mapping the energetic landscape of solar cells: Physicists develop new spectroscopic method." ScienceDaily. ScienceDaily, 13 August 2019. . University of Heidelberg. (2019, August 13). Mapping the energetic landscape of solar cells: Physicists develop new spectroscopic method. ScienceDaily. Retrieved August 13, 2019 from www.sciencedaily.com/releases/2019/08/190813101946.htm University of Heidelberg. "Mapping the energetic landscape of solar cells: Physicists develop new spectroscopic method." ScienceDaily. www.sciencedaily.com/releases/2019/08/190813101946.htm (accessed August 13, 2019). advertisement RELATED TOPICS Matter & Energy Solar Energy . Graphene . Organic Chemistry . Chemistry . Earth & Climate Geomagnetic Storms . Energy and the Environment . Renewable Energy . Atmosphere . advertisement RELATED TERMS Organic farming methods . Organic chemistry . Solar cell . Chemistry . Fertilizer . Carbon-14 . Gamma ray . Tropospheric ozone . RELATED STORIES Across the Metal-Molecule Interface: Observing Fluctuations on the Single-Molecule Scale. Mar. 9, 2018 — Scientists have developed a technique for analyzing structural and electronic fluctuations on the single-molecule scale across the metal-molecule interface in an organic electronic device. This ... read more 'Helix-to-Tube' a Simple Strategy to Synthesize Covalent Organic Nanotubes. Aug. 30, 2016 — Organic nanotubes (ONTs) are tubular nanostructures composed of organic molecules that have unique properties and have found various applications, such as electro-conductive materials and organic ... read more X-Rays Reveal Details of Plastic Solar Cell Production. Jan. 8, 2016 — Plastic solar cells are light, easy to install, and readily produced using a printer. Nevertheless, the processes that take place on the molecular scale during the production of organic solar cells ... read more Decorative and Flexible Solar Panels Become Part of Interior Design and the Appearance of Objects. Jan. 21, 2015 — Scientists have developed and utilized a mass production method based on printing technologies allowing the manufacturing of decorative, organic solar panels. Design freedom improves the range of ... read more FROM AROUND THE WEB Below are relevant articles that may interest you. ScienceDaily shares links with scholarly publications in the TrendMD network and earns revenue from third-party advertisers, where indicated.

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