Halbleiterkatalysierte Photofixierung von Distickstoff

半导体催化二氮光固定

• 批准号: 5230998
• 负责人: Professor Dr. Horst Kisch
• 金额: --
• 依托单位: Lehrstuhl für Anorganische und Allgemeine Chemie
• 依托单位国家: 德国
• 项目类别: Research Grants
• 财政年份: 1999
• 资助国家: 德国
• 起止时间: 1998-12-31 至 2009-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/5230998?language=en
• 关键词: Halbleiterkatalysierte; Photofixierung; von; Distickstoff

Main objective of the project is the semiconductor catalyzed photofixation of dinitrogen, a topic of basic importance both in artificial and environmental systems, and of controversial reports in the literature. In the latter main attention was given to the reduction to ammonia while only a very few papers deal with the oxidation to nitrate/nitrite. In contrary to that, both fixation pathways with special attention to the oxidative one, shall be persuaded in this project. Nanosized mixed titania iron oxides will be employed as thin films and powder photocatalysts. The longterm goal of this research is to find a heterogeneous catalyst for the solar fixation of dinitrogen from air. Since various minerals possess semiconducting properties, the project comprises essential aspects of the chemistry of the biosphere.

该项目的主要目标是半导体催化的二氮光固定，这是一个在人工和环境系统中都具有基本重要性的主题，也是文献中有争议的报告。在后者中，主要关注的是还原成氨，而只有极少数论文涉及氧化成硝酸盐/亚硝酸盐。与此相反，这两种固定途径，特别是氧化途径，应在本项目中说服。纳米级的混合二氧化钛-铁氧化物将被用作薄膜和粉末光催化剂。本研究的长期目标是找到一种多相催化剂，用于太阳能固定空气中的二氮。由于各种矿物具有半导体性质，该项目包括生物圈化学的基本方面。