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【环境讲坛96期】Designing Semiconductor Materials for Photo-electrochemical Energy Conversion

来源:    发布时间:2019-05-16    点击次数:

报告人:  Lianzhou Wang

报告时间:2019年5月16日(星期四)10:30-11:30

报告地点:学院报告厅

邀请人:胡云行

报告摘要:

Semiconducting materials hold the key for efficient photocatalytic and photoelectrochemical water splitting. In this talk, we will give a brief overview of our recent progresses in designing semiconductor metal oxides materials for photoelectrochemical energy conversion including photocatalytic solar fuel generation. In more details, we have been focusing the following a few aspects; 1) band-gap engineering of layered semiconductor compounds including layered titanate, tantalate and niobate-based metal oxide compounds for visible light phtocatalysis, and 2) two-dimensional nanosheets/nanoplates of TiO2, Fe2O3, WO3, BiVO4 as building blocks for new photoelectrode design, and 3) the combination of a high performance photoelectrodes with new generation perovskite solar cells can lead to unassisted solar driven water splitting process with solar-to-hydrogen conversion efficiency of >6.5%.  The resultant material systems exhibited efficient visible light photocatalytic performance and improved power conversion efficiency in solar energy, which underpin important solar-energy conversion applications including solar fuel generation, and low-cost high efficiency solar cells.

报告人简介:

Lianzhou Wang(王连洲) 教授,现为澳大利亚昆士兰大学化工学院终身教授,纳米材料研究中心主任,澳洲基金委未来学者。主要从事半导体纳米材料的合成及其在清洁能源领域的应用,其团队于2018年底创造了新型量子点太阳能电池转换效率16.6%的世界记录。先后在诸多国际期刊发表论文350多篇,专著章节12部,申请专利13项,作国际会议大会或邀请学术报告100余次,论文被引用18,000余次, H因子为71。近年作为主要负责人先后承担或参与了澳大利亚基金委、澳洲科学院、澳洲协调创新中心以及工业界等40余项竞争性研究项目,总金额超过3000 万澳元。先后获得澳洲基金委女王伊丽莎白学者和未来学者称号,昆士兰大学优秀研究奖和优秀研究生导师奖,澳洲寻找未来之星奖,入选澳洲基金委工程技术领域会评专家(College of Experts)和英国皇家化学会会士。 


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