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Fabricating electroconductive cotton textiles using graphene
Mohammad Shateri-Khalilabad1, Mohammad E Yazdanshenas
1Department of Textile Engineering, Yazd Branch, Islamic Azad University, Yazd, Iran. m.shaterikha@iauyazd.ac.ir
Carbohydrate Polymers
|May 22, 2013
Summary
Researchers enhanced the electrical conductivity of graphene-coated cotton textiles by optimizing reduction parameters. Sodium dithionite (Na2S2O4) proved most effective, significantly boosting conductivity with increased coating cycles.
Area of Science:
- Materials Science
- Textile Engineering
- Nanotechnology
Background:
- Graphene-coated textiles offer potential for flexible electronics and smart fabrics.
- Improving the electrical conductivity and mechanical integrity of these textiles is crucial for practical applications.
Purpose of the Study:
- To investigate design parameters for enhancing the electrical conductivity of graphene-coated cotton textiles.
- To optimize the reduction process for graphene oxide (GO) on cotton fabric.
Main Methods:
- Cotton fabric was coated with graphene oxide (GO) using a 'dip and dry' method.
- GO was reduced to graphene using various reducing agents and conditions.
- Electrical conductivity and mechanical performance were evaluated.
Main Results:
- Sodium dithionite (Na2S2O4) yielded the best conductivity and mechanical performance.
- Complete GO reduction was achieved with 30 min of reaction at 95°C.
- Electrical conductivity increased by three orders of magnitude with 20 coating cycles.
Conclusions:
- Optimized reduction parameters significantly enhance graphene-coated cotton textile conductivity.
- Na2S2O4 is an effective reducing agent for this application.
- Multiple coating cycles are key to achieving high electrical performance.
