| DOI: | 10.2172/1005035
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| 报告号: | SAND2010-8119
|
| 报告题名: | Main group adducts of carbon dioxide and related chemistry (LDRD 149938). |
| 作者: | Barry, Brian M. (University of New Mexico, Albuquerque, NM); Kemp, Richard Alan; Stewart, Constantine A.; Dickie, Diane A. (University of New Mexico, Albuquerque, NM)
|
| 出版年: | 2010
|
| 发表日期: | 2010-11-01
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| 总页数: | 24
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| 国家: | 美国
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| 语种: | 英语
|
| 中文主题词: | 碳
; 二氧化碳
; 金属
|
| 主题词: | CARBON
; CARBON DIOXIDE
; METALS
|
| 英文摘要: | This late-start LDRD was broadly focused on the synthetic attempts to prepare novel ligands as complexing agents for main group metals for the sequestration of CO{sub 2}. In prior work we have shown that certain main group (p block elements) metals such as tin and zinc, when ligated to phosphinoamido- ligands, can bind CO{sub 2} in a novel fashion. Rather than simple insertion into the metal-nitrogen bonds to form carbamates, we have seen the highly unusual complexation of CO{sub 2} in a mode that is more similar to a chemical 'adduct' rather than complexation schemes that have been observed previously. The overarching goal in this work is to prepare more of these complexes that can (a) sequester (or bind) CO{sub 2} easily in this adduct form, and (b) be stable to chemical or electrochemical reduction designed to convert the CO{sub 2} to useful fuels or fuel precursors. The currently used phosphinoamido- ligands appear at this point to be less-stable than desired under electrochemical reduction conditions. This instability is believed due to the more delicate, reactive nature of the ligand framework system. In order to successfully capture and convert CO{sub 2} to useful organics, this instability must be addressed and solved. Work described in the late-start LDRD was designed to screen a variety of ligand/metal complexes that a priori are believed to be more stable to polar solvents and possible mild hydrolytic conditions than are the phosphinoamido-ligands. Results from ligand syntheses and metal complexation studies are reported. |
| URL: | http://www.osti.gov/scitech/servlets/purl/1005035
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| Citation statistics: |
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| 资源类型: | 研究报告
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| 标识符: | http://119.78.100.158/handle/2HF3EXSE/39632
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| Appears in Collections: | 过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响
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| 1005035.pdf（296KB） | 研究报告 | -- | 开放获取 | | View
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| Recommended Citation: | |
Barry, Brian M. ,Kemp, Richard Alan,Stewart, Constantine A.,et al. Main group adducts of carbon dioxide and related chemistry (LDRD 149938).. 2010-01-01.
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