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巴黎索邦大学 Zhuoying Chen教授 12月23日下午学术报告
发布时间:2019-12-16 点击:29

报告人Zhuoying Chen教授巴黎索邦大学

报告题目Optoelectronic Applications of Colloidal and Hybrid Nanomaterials

报告时间:20191223日下午15:00

报告地点:909 B


报告摘要:

In this seminar, some recent progress of our group on the optoelectronic applications of colloidal and hybrid nanomaterials will be presented: (1) Strategies on solution-processed short-wave infrared (SWIR) photodetectors without the use of highly toxic heavy metal elements. Photodetection in the SWIR spectrum is a challenging task achieved often by costly low-bandgap compound semiconductors involving highly toxic elements. (2) Organic-inorganic hybrid perovskite solar cells: A series of TiO2 nanocolumn photonic structures has been intentionally fabricated on half of the compact TiO2-coated fluorine-doped tin oxide substrate. These vertically aligned nanocolumn arrays were then applied as the electron transport layer (ETL) into triple-cation lead halide perovskite solar cells based on Cs0.05(FA0.83MA0.17)0.95Pb(I0.83Br0.17)3. Here, the detailed characterizations on the morphology and the spectroscopic aspects of the nanocolumns, their near-field and far-field optical properties, solar cells characteristics, as well as the charge transport properties, provide mechanistic insights on how 1D TiO2 nanocolumns affect the performance of perovskite halide solar cells in terms of the charge transport, light-harvesting, and stability, knowledge necessary for the future design of more-performing and more-stable perovskite solar cells.

个人简介 :

图片包含 人员, 室内, 妇女, 微笑  描述已自动生成

Dr. Z. Chen (HDR, Habilitation à diriger des recherches) has a multi-disciplinary scientific background and she is currently focusing on various research projects on the application of colloidal and hybrid organic-inorganic nanomaterials. During her PhD thesis at Columbia University (New York), she was trained as a material scientist focusing on colloidal synthesis and meta-material formation. She moved to the field of organic electronics for post-doctoral training and she studied charge transport and device physics in the Cavendish Laboratory of University of Cambridge. Since October 2010 Chen was recruited by the CNRS (National Scientific Research Center, France) through an open competition as a tenured research scientist. Since then she has been working on the optoelectronic applications of solution-processed colloidal nanocrystals and hybrid organic-inorganic systems. As the scientific leader, Chen has successfully carried out an ANR JCJC project on “Photovoltaic Devices based on Colloidal Nanocrystals as Light Harvesters” (2012-2015). Z. Chen is also a Marie-Curie fellow (Career integration grant) from 2013 to 2017. As the French-side scientific leader, she currently coordinates an ANR France-Germany project titled “Physics of degradation in organic, nanocrystal, and hybrid solar cells (PROCES)” from 2018.


联系人:孙宝全 教授



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