Multiferroic nanostructured oxides for solar fuel generation

用于太阳能燃料发电的多铁纳米结构氧化物

基本信息

批准号：
2305256
负责人：
金额：
--
依托单位：
Loughborough University
依托单位国家：
英国
项目类别：
Studentship
财政年份：
2019
资助国家：
英国
起止时间：
2019 至无数据
项目状态：
已结题

来源：
https://gtr.ukri.org/projects?ref=studentship-2305256
关键词：
Multiferroic nanostructured oxides solar fuel

项目摘要

The economic conversion of solar energy into chemical fuels is one of the most promising paths to meet the future energy demand in a sustainable manner. Solar-driven energy generation relies on the efficient absorption and conversion of the energy of the sunlight by a semiconductor material. Control and development of unique and tailored nanostructured architectures whilst preventing the degradation of photocatalytic activity using polar semiconductors could lead to major technological benefits and ultimately efficient and cost-effective conversion of solar energy. Polar multiferroic ceramics can promote efficient separation and transport of photoexcited charge carriers. Of particular interest is unique composite nanostructures of these polar ceramics that could prohibit bulk and surface recombination pathways hence leading to significant improvements in overall solar to fuel conversion efficiency. This project will investigate synthesis and processing of controlled nanostructures of multiferroic ceramic materials using low temperature microwave hydrothermal methods and examine the effect of processing parameters on photocatalytic performance in a particulate-based artificial photosynthesis system. The detailed investigation carried out in this work will contribute to the development of fundamental understanding of the role of polarisation and nanostructure architecture in the performance of powder based systems. This will significantly impact and accelerate the utilisation of such systems in practical applications of sustainable fuel generation.

将太阳能经济地转化为化学燃料是以可持续的方式满足未来能源需求的最有前途的途径之一。太阳能发电依赖于半导体材料对太阳光能量的有效吸收和转换。控制和开发独特且定制的纳米结构结构，同时防止使用极性半导体的光催化活性退化，可以带来重大的技术优势，并最终实现高效且经济高效的太阳能转换。极性多铁陶瓷可以促进光生载流子的有效分离和传输。特别令人感兴趣的是这些极性陶瓷的独特复合纳米结构，它可以阻止体相和表面复合途径，从而显着提高整体太阳能到燃料的转换效率。该项目将研究利用低温微波水热方法合成和加工多铁性陶瓷材料的受控纳米结构，并研究加工参数对基于颗粒的人工光合作用系统中光催化性能的影响。这项工作中进行的详细研究将有助于对偏振和纳米结构结构在粉末基系统性能中的作用的基本理解的发展。这将显着影响并加速此类系统在可持续燃料发电的实际应用中的利用。