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IAMDN Special Seminar: Jonathan N. Coleman - Kitchen Physics: Using the power of nano to turn pencils into electronic devices using only things found at home

 

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Friday, April 21, 2017, 11:00am
 

Recently, scientists and engineers have been getting ever more excited about graphene. The first truly 2-dimensional material, graphene, is found as sheets of carbon, one atom thick but many, many thousands of atoms across. Because of its 2D nature, graphene displays a host of exciting properties: it is the thinnest, strongest, most impermeable and most conductive material known to man. If this wasn’t exciting enough, the discovery of graphene was quickly followed by reports of a host of other 2D materials with exotic names like black phosphorous and silicene. These materials also have unusual properties making the family of 2D nanomaterials the go-to-place for demonstrating nano-applications. Many researchers have been focusing on making 2D materials and finding uses for them. One of our interests is in showing that nanoscience does not have to be difficult. That will be the focus of this talk. I will introduce graphene and other 2D materials before demonstrating how we can not only make them, but fabricate them into useful devices, using (almost) only things found in the kitchen. At first I will demonstrate how simple the production of graphene can be, requiring only pencils, soap and a kitchen blender. Then, how to use it? You will hear about how 2D materials can be printed into surfaces using an inkjet printer and even formed into electronic devices such as light-detectors and transistors. I will also show how graphene can be combined with house-hold sponges, elastic bands and silly putty to prepare state of the art sensors which can detect anything from spider footprints to the human pulse.

Biography

coleman

Name: Prof. Jonathan N. Coleman

Organization: School of Physics and CRANN, Trinity College Dublin, D2, Ireland

tel. +353 1 8963859; and email: This email address is being protected from spambots. You need JavaScript enabled to view it..

Profile Weblink: http://www.tcd.ie/Physics/1D_Nanostructures/

Short Biography:

Jonathan Coleman is the Professor of Chemical Physics in the School of Physics and the CRANN and AMBER Research centres, all at Trinity College Dublin. His research involves liquid exfoliation of layered compounds such as graphene, boron nitride and molybdenum disulphide. Exfoliation of these materials gives 2D nanosheets which can easily be processed into thin films or composites from applications from energy storage to sensing to electronics. He has published approximately 250 papers in international journals including Nature and Science, has a h-index of 72 and has been cited ~30000 times. He was recently listed by Thomson Reuters among the world’s top 100 materials scientists of the last decade and was named as the Science Foundation Ireland researcher of the Year in 2011. Prof Coleman has been involved in a number of industry-academic collaborative projects with companies including Hewlett-Packard, Intel, SAB Miller, Nokia-Bell Labs and Thomas Swan. 

Location:   CCR 201
Speaker:   Jonathan N. Coleman, School of Physics and CRANN, Trinity College Dublin, D2, Ireland

 

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