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R5.09 - Graphene Coated Electrically Conductive Cotton Apparel 
Date/Time:
April 23, 2014   4:45pm - 5:00pm
 
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There is an inevitable need to increase our dependence on renewable and sustainable energy resources. In addition to harvesting energy from the solar, wind, and biomass resources, there is a decent amount of work being done on harvesting energy from smaller resources such as the human body for smaller mobile energy needs such as charging or powering gadgets. Cotton, composed of cellulose and hemicellulose and used for apparels, is well known for both its thermal and electrical insulating properties. However, it needs to be electrically conductive to enable transfer of small amounts of electrical charges. In this study we present a facile technique of coating graphene layers on cotton fibers, making them electrically conductive without compromising its mechanical properties. The electrically conductive cotton as apparel can be potentially used to monitor and analyze one’s heart rate and breathing and cool down one’s body on a hot summer's day. Scanning electron microscopy (SEM) was used to carry out morphological studies of the surface and interface of graphene layers and cotton fibers. An insulation resistance meter and a digital voltmeter were used to measure the electrical conductivity of pristine and the graphene coated cotton fibers respectively.
 


 
 
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