NOTE: This seminar has been cancelled due to personal reasons. We apologize for the inconveniences.

IN-PERSON EVENT - REGISTER HERE to attend

By Professor Qingwen Li, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences

Abstract:

Since their discovery in 1991, carbon nanotubes (CNTs) have remained attractive in both fundamental research and industrial application studies, owing to their outstanding mechanical, electrical, and thermal properties. They have also been regarded as a disruptive material with the potential to reshape the world. For a long time, two major challenges have hindered the practical application of CNTs: the wafer-scale preparation of high-purity semiconducting single-walled carbon nanotubes (s-SWCNTs) and their integration into electronic devices, and the effective transfer of the exceptional mechanical properties of individual CNTs into macroscopic assemblies. Our team has long been focused in the controlled synthesis and applications of carbon nanotubes. Significant progress has been made in the selective separation of high-purity semiconducting and chirality-specific carbon nanotubes, as well as in the continuous gas-phase synthesis and large-scale application of CNTs. Therefore, I will introduce our recent progress in the following aspects:

1) Precise sorting of carbon nanotubes and rational modulation of their electronic properties;

2) Continuous assembly of CNTs into high - strength and high-conductivity fibers;

3) Large-scale preparation and applications of high-conductivity carbon nanotube films;

4) Summary and prospects.

Short bio: Prof. Qingwen Li is a Professor, Ph.D. supervisor, and former Deputy Director of the Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences. She received her Ph.D. in Chemistry from Tsinghua University in 2000 and subsequently worked at Peking University, the University of Cambridge, and Los Alamos National Laboratory on carbon nanotube synthesis and applications. Her current research focuses on semiconducting carbon nanotubes, carbon-based electronic devices, macroscopic nanocarbon assemblies, and functional composites. She has published more than 280 papers in leading journals, including Nature, Nature Materials, Nature Nanotechnology, Advanced Materials, JACS, and ACS Nano, with over 35,000 citations. She also serves as an associate editor for Carbon and Materials Science and Engineering: R: Reports.

Hosted by Dr Marianna Sledzinska, Thermal Properties of Nanoscale Materials group and ICREA Research Professor and Group Leader Stephan Roche, Theoretical and Computational Nanoscience group.