凯发

Speaker-Hesheng Xia

Hesheng Xia
Sichuan University, China
Prof Hesheng Xia is a Professor& Deputy Director of State Key Lab of Polymer Materials Engineering (China), Sichuan University. He received his bachelor master degree from Northeastern University in 1994 and 1997, and Ph. D degree in Materials Science in Sichuan University in 2001. In 2003-2005, he worked as a Research Associate in Department of Materials, Lough borough University, UK. He is the Board Member of Materials Research Society of China; Executive Secretary of Polymer Materials & Engineering Society of China; Secretary of China-Italy Multifunctional Polymer and Biomaterials International Research Center; Secretary of China-UK Advanced Materials Research Institute. He is also the academic Leader of Science and Technology of Sichuan Province, China; New Century Excellent Talent of Ministry of Education of China; The Distinguished Young Scientist of Sichuan Province. His main research interest includes: Graphene/carbon nanotubes polymer composites;polymer materials for 3D printing, ultrasound mechanochemistry. He has published 130 journal papers with a citation of 2400 and owned 24 authorized patents. In 2002, he received the First Grade Prize of Technology Invention, Granted by Ministry of Education of China. In 2006, he received the Second Grade Prize of National Technology Invention of China and the Third Grade Prize of Science & Technology of Sichuan Province. 
Title:Highly adsorptive graphene aerogel microspheres
SymposiumEnvironmental Protection
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Ending Time
Abstract

The graphene oxide aerogel microspheres were prepared by a novel approach, i.e. combination of electrospraying and freeze-casting. The unique well-defined “center-diverging microchannels” dandelion-like structures were observed in the aerogel microspheres and a formation mechanism of the structure, i.e. radial–directional freezing-thawing was proposed. After further thermal reduction, the reduced graphene oxide aerogel microspheres were obtained and the center-diverging microchannels structures can be remained. Due to its highly porous, hierarchical and hydrophobic structure as well as randomly packing effect, the aerogel microspheres possess excellent adsorption ability for various organic solvents and oils, showing their potential applications in environmental pollutant treatment.

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Abstract: Minyang Lu

Sponsor: Wenyang Yang

Media: Liping Wang

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