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| Fotoadsorption av CO2 på metalloxider: Syntetisk väg för direkt infångning av CO2 från luft | |
| 项目编号 | 2019-05614_VR |
| Lars Österlund | |
| 项目主持机构 | Uppsala University |
| 开始日期 | 2020 |
| 结束日期 | 2023-12-31 |
| 英文摘要 | The aim of the present project is to study CO2 photo-adsorption processes on metal oxide surfaces and investigate how those processes can be tailored for proton-coupled electron transfer reactions for the direct reduction of CO2 at oxide surfaces. The project rests on preliminary data which indirectly support the main features of a photo-stimulated CO2 capture process through an hitherto unexplored mechanism: hole oxidation of under-coordinated lattice oxygen and simultaneous reduction of adjacent O2. Here, we aim at specifically prove and quantify the process by advanced infrared surface spectroscopy techniques at different experimental conditions extending from vacuum based single crystals to ambient pressure nanoparticle systems. We will develop density functional based methods to account for charge corrections of the potential energy due to interband transitions and interfacial charge transfer, and further compute adsorbate structures and vibrational spectra using methods developed by the applicant. Our results may contribute both to our understanding of naturally occurring geochemical CO2 mass balance processes, and also pave the way for new direct so called direct air capture (DAC) technologies, and contribute to the growing field of synthetic fuel production through direct CO2 photo-reduction. |
| 学科分类 | 0501 - 合成化学;05 - 化学科学 |
| 资助机构 | SE-SRC |
| 项目经费 | 3400000 |
| 项目类型 | Project grant |
| 国家 | SE |
| 语种 | 瑞典语 |
| 文献类型 | 项目 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/191386 |
| 推荐引用方式 GB/T 7714 | Lars Österlund.Fotoadsorption av CO2 på metalloxider: Syntetisk väg för direkt infångning av CO2 från luft.2020. |
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