报告题目 | When Single Atom Meets 2D materials: from STM Study to Single Atom Catalysis |
报告人 | Dr. LU Jiong |
报告人单位 | National University of Singapore |
报告时间 | 2019-01-05 10:00:00 |
报告地点 | 中国科学技术大学材料楼5楼会议室 |
主办单位 | 合肥微尺度物质科学国家研究中心、中国科学技术大学化学与材料科学学院 |
报告介绍 | 报告摘要: When single
atom meets 2D materials, many exotic physical and chemical properties emerge in
this hybrid system, which makes it highly desirable for a wide range of
applications. In the first part of my talk, I will describe our recent scanning
tunneling microscopy (STM) and atomic force microscopy (AFM) studies of single
molecules/atoms on 2D materials with an aim to understand how the energy
landscape of 2D materials can be modified by adsorbed single molecules/atoms.
Moreover, 2D material surface can be chemically engineered to equip with
desirable functional groups, which thus offer an ideal platform for the
anchoring of individual metal atoms as single atom catalysis (SACs). In the
second part of my talk, I will discuss our recent work on the controllable
synthesis of graphene supported cobalt SACs (Co1/G) with a tuneable
high loading by atomic layer deposition. Our findings not only open up the new
avenue for the investigation into charge transport through single molecules in
nanodevices but also pave the way for the precise engineering of metal atoms on
2D materials for single atom catalysis. Reference (1) Nature
Communications 7, 13553, 2016 (2) Nature
Communications 9, 3197, 2018 (3) Nature
Nanotechnology 13, 828, 2018 (4) Nature
Communications just accepted, 2018 报告人简介:
Dr. Jiong Lu is currently an assistant professor at
Department of Chemistry, Centre for Advanced 2D Materials, at National
University of Singapore (NUS). He received his Bachelor’s degree from Fudan
University (China) in 2007 and Ph.D. degree from NUS in 2011. After that, he
worked as a postdoc fellow in Graphene Research Centre, NUS and then joined
Mike Crommie’s group at Department of Physics, UC, Berkeley for his
postdoctoral research. His current research interests include atomic-scale
imaging and characterization of 2D materials and their gate-tunable devices,
single-atom and clusters catalysis for energy related applications. He has
published more than 40 peer-reviewed papers including Nature nanotechnology
(2), Nature Materials (1), Nature Communications (8). His publications have
received over 3340 citations. |