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7.14】Prof.Jiaxing Huang
题目:Soft Carbon Sheets: Curiosities and Discoveries
 
2014-06-27 | 文章来源:先进炭材料研究部        【 】【打印】【关闭

题目:Soft Carbon Sheets: Curiosities and Discoveries

报告人:Professor Jiaxing Huang  (Northwestern University, USA)

时间:714日(周三) 14:00-15:30

地点:李薰楼468会议室

报告简介Graphite oxide sheets, now called graphene oxide (GO), are made by exfoliation of graphite using century-old chemical reactions. Interest in this old material has resurged with the rapid development of graphene since 2004, as GO is considered to be a promising precursor for bulk production of graphene. Apart from making graphene, GO itself also has many intriguing properties. For example, GO can be viewed as a two-dimensional (2D) soft material such as polymer, highly anisotropic colloid that can form liquid crystals, membrane, or 2D surfactant.

In this talk, some curiosity driven discoveries will be shared such as the use of GO as surfactant to process insoluble materials in water. GO sheets are also 2D building blocks to construct massive arrays of 2D nanofluidic channels with high ionic conductivity. Next, a few problems associated with the manufacturing and processing of GO and its graphene product will be discussed, such as the difficulties of imaging these single atomic layers and their ease of aggregation during processing. Strategies and solutions to address these problems will be introduced. Some applications in photovoltaics and energy storage will be discussed.

报告人简介Jiaxing Huang received his B.S. degree in Chemical Physics from University of Science and Technology of China (USTC) in 2000, Ph.D. in chemistry from the University of California, Los Angeles (UCLA) in 2004, and became a Miller Research Fellow at the University of California, Berkeley before joining Northwestern as an Assistant Professor of Materials Science and Engineering at Northwestern University in 2007. He was named the Morris E. Fine Junior Professor in Materials and Manufacturing in 2011-2013 and was promoted to Associate Professor with tenure in 2013. His main research interest is in the general area of material chemistry, processing and manufacturing. Some of the examples include 2D soft materials, organic nanocrystals and metal nanostructures. He is also interested the application of these materials in energy and sustainability, as well as using them as a platform for materials education. He is a recipient of the IUPAC Young Chemists Prize, the NSF CAREER Award, the Sloan Fellowship, the Outstanding Young Manufacturing Engineer Award from the Society of Manufacturing Engineers, and most recently, the Guggenheim Fellowship. He has also been named by Thompson Reuters as a “Highly Cited Researcher” in Chemistry.

Selected publications on carbon materials

See http://scholar.google.com/citations?user=sbfLJqUAAAAJ for complete list of publications and citations

1. “Pencil Drawn Strain Gauges and Chemiresistors on Paper” Sci. Rep., 2014, 4, 3812

2. “Material Processing of Chemically Modified Graphene: Some Challenges and Solutions” Acc. Chem. Res., 2013, 46, 2225

3. “Two Dimensional Soft Material: New Faces of Graphene Oxide” Acc. Chem. Res., 2012, 45, 1356

4. “Nanofluidic Ion Transport through Reconstructed Layered Materials” J. Am. Chem. Soc., 2012, 134, 16528

5. “Compression and Aggregation-resistant Particles of Crumpled Soft Sheets” ACS Nano, 2011, 5, 8943

6. “Self-Propagating Domino-Like Reactions in Oxidized Graphite” Adv. Funct. Mater., 2010, 20, 2867

7. “Graphene Oxide Sheets at Interfaces” J. Am. Chem. Soc., 2010, 132, 8180

8. “Visualizing Graphene Based Sheets by Fluorescence Quenching Microscopy” J. Am. Chem. Soc., 2010, 132, 260

9. “Flash Reduction and Patterning of Graphite Oxide and Its Polymer Composite” J. Am. Chem. Soc., 2009, 131, 11027

10. “Langmuir-Blodgett Assembly of Graphite Oxide Single Layers” J. Am. Chem. Soc., 2009, 131, 1043

 

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