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Ion Intercalation and High-Temperature Behavior of 2D Materials

来源：
报告题目   Ion Intercalation and High-Temperature Behavior of 2D Materials
报告人   Prof. HU Liangbing
报告人单位   University of Maryland, College Park
报告时间   2017-06-02
报告地点   合肥微尺度物质科学国家实验室九楼会议室（9004）
主办单位   合肥微尺度物质科学国家实验室、中国科学技术大学化学与材料科学学院
报告介绍
Abstract：
　　I will discuss our recent progress on engineering of 2D materials, with a focus on metal ion intercalation and ultra-high temperature treatment (up to 3000-3500K). We developed a nano-battery platform that allows in situ measurement of optical, electrical and structure changes of 2D materials during ion intercalations. We used the nano-battery setup to investigate various properties of 2D materials upon ion intercalation, including Li+, Na+ and K+. Dramatic increases in both transmittance and conductivity were reported, which leads to the highest figure of merit (FOM) for transparent conductor applications. We also extended the knowledge to printed reduced graphene oxide network toward large-scale applications. In a separated topic, I will discuss our effort in the past two years on high temperature material behavior for reduced graphene oxide (RGO) networks. High-temperature stability of RGO networks allows us to uniquely engineer them for a range of emerging applications, such as 3D printed rapid heaters and highly conductive RGO paper as lightweight battery current collectors.
[1] Nano Letters, 2015, 15, 1018.              [2] Nano Letter, 2015, 15, 3763.
[3] Advanced Energy Materials, 2014, 1, 1401742. [4] Nature Communications, 2014, 5, 4224. 

Biosketch：
　　Bio Liangbing Hu received his B.S. in physics from the University of Science and Technology of China (USTC) in 2002. He did his Ph.D. in at UCLA (with George Gruner), focusing on carbon nanotube based nanoelectronics (2002-2007). In 2006, he joined Unidym Inc (www.unidym.com) as a co-founding scientist. He worked at Stanford University (with Yi Cui) from 2009-2011. Currently, he is an associate professor at University of Maryland College Park. His research interests include nanomaterials and nanostructures, roll-to-roll nanomanufacturing, energy storage focusing on solid-state batteries and Na ion batteries, and printed electronics. He has published over 200 research papers (Total citations: >15,000 times) and given more than 70 invited talks. He received many awards, including: the Nano Letters Young Investigator Lectureship (2017), ACS Division of Energy and Fuel Emerging Investigator Award (2016), University of Maryland Junior Faculty Award (School of Engineering, 2015), Campus Star of the American Society for Engineering Education (2014), Air Force Young Investigator Award (AFOSR YIP, 2013). Dr. Hu is the (founding) director of the Center for Advanced Paper and Textile (CAPT) at the University of Maryland College Park (www.capt.umd.edu). He is also the Co-founder of Inventwood Inc. (www.inventwood.com) with efforts to further commercialize the aforementioned cellulose nanotechnologies.

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