Composite photocatalysts for selective photocatalytic oxidation of glycerol

用于甘油选择性光催化氧化的复合光催化剂

基本信息

  • 批准号:
    276806543
  • 负责人:
  • 金额:
    --
  • 依托单位:
  • 依托单位国家:
    德国
  • 项目类别:
    Research Grants
  • 财政年份:
    2015
  • 资助国家:
    德国
  • 起止时间:
    2014-12-31 至 2018-12-31
  • 项目状态:
    已结题

项目摘要

One of the key scientific challenges is the development of innovative photocatalytic processes for useful chemical transformations driven solely by (sun)light under mild conditions (room temperature, atmospheric pressure, ambient oxidizing/reducing agents). While significant progress has been made in the development of heterogeneous photocatalysts for solar water splitting and the decontamination of water and air, much less is known about selective photocatalytic synthetic reactions leading to high-value organic compounds. Recently, we have invented a new type of composite photocatalysts for use in selective photocatalytic oxidation of glycerol to 1,3-dihydroxyacetone (DHA). While glycerol is a cheap and abundant waste product of biodiesel production, DHA is a high-value chemical compound used, for example, in cosmetic industry and with a high prospect of being used in the synthesis of new biodegradable polymers. Based on our preliminary work, the main objectives of this project are: 1) to provide a deeper understanding of the reaction mechanism of the selective photocatalytic oxidation of glycerol to DHA, and 2) to investigate systematically the correlation between the structure and performance (activity, selectivity, stability) of the composite (light absorber + cocatalyst) photocatalysts. Particular attention will be given to synthesis and investigations of model composites with well-defined properties (size, structure) of the components. It is expected that this project will thus allow for the development of photocatalysts with enhanced performance in selective photocatalytic oxidation of glycerol, and will also provide new knowledge important for the design of further selective photocatalytic reactions.
关键的科学挑战之一是开发创新的光催化工艺,用于在温和条件下(室温,大气压,环境氧化/还原剂)仅由(太阳)光驱动的有用化学转化。虽然在用于太阳能水分解和水和空气净化的多相光催化剂的开发方面取得了重大进展,但对导致高价值有机化合物的选择性光催化合成反应知之甚少。最近,我们发明了一种新型的复合光催化剂,用于甘油选择性光催化氧化为1,3-二羟基丙酮(DHA)。虽然甘油是生物柴油生产的廉价且丰富的废物,但DHA是例如用于化妆品工业的高价值化合物,并且具有用于合成新的可生物降解聚合物的高前景。在前期工作的基础上,本课题的主要目标是:1)深入了解甘油选择性光催化氧化制DHA的反应机理; 2)系统研究复合光催化剂(光吸收剂+助催化剂)的结构与性能(活性、选择性、稳定性)之间的关系。将特别关注具有明确属性(尺寸、结构)的模型复合材料的合成和研究。预计该项目将因此允许开发在甘油的选择性光催化氧化中具有增强性能的光催化剂,并且还将为进一步选择性光催化反应的设计提供重要的新知识。

项目成果

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Professor Dr. Radim Beránek其他文献

Professor Dr. Radim Beránek的其他文献

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{{ truncateString('Professor Dr. Radim Beránek', 18)}}的其他基金

Interfacial engineering of semiconductors for highly selective light-driven chemical transformations
用于高选择性光驱动化学转化的半导体界面工程
  • 批准号:
    428764269
  • 财政年份:
    2020
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Development of optimum bandgap photoanodes for tandem water-splitting cells based on doped complex metal oxides and III-V semiconductors coupled to water oxidation electrocatalysts
基于掺杂复合金属氧化物和 III-V 半导体与水氧化电催化剂耦合的串联水分解电池的最佳带隙光电阳极的开发
  • 批准号:
    279020913
  • 财政年份:
    2015
  • 资助金额:
    --
  • 项目类别:
    Priority Programmes

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用于选择性太阳能氢气和现实生活废物材料生产的分子混合光催化剂
  • 批准号:
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    10663899
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Developing electron transfer from chiral circularly polarized luminescence-based photocatalysts towards selective radical cross-coupling reactions
开发从手性圆偏振发光光催化剂到选择性自由基交叉偶联反应的电子转移
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    10449749
  • 财政年份:
    2022
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Selective oxidation of organic materials under solar-light irradiation using visible-light driven photocatalysts
使用可见光驱动光催化剂在太阳光照射下选择性氧化有机材料
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    20K15390
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    2020
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    --
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    Grant-in-Aid for Early-Career Scientists
Investigation of Heterogeneous Photocatalysts based on TiO2-Graphene Composites in Selective Synthetic Transformations
基于 TiO2-石墨烯复合材料的异质光催化剂选择性合成转化研究
  • 批准号:
    413541925
  • 财政年份:
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Rational design of photocatalysts for selective reduction and oxidation
选择性还原和氧化光催化剂的合理设计
  • 批准号:
    2298390
  • 财政年份:
    2018
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金属改性共价有机骨架选择性光催化剂的开发
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  • 财政年份:
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    1941524
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基于可见光响应WO3光催化剂的高选择性有机合成系统的开发
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    26620144
  • 财政年份:
    2014
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CO2 还原和选择性 CO 氧化光催化剂的开发及选择性光谱监测机理
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  • 财政年份:
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