Graphene Quantum Rings Doped PEDOT:PSS Based Composite Layer for Efficient Performance of Optoelectronic Devices

We report synthesis method of the graphene quantum rings from pitch carbon fiber by a thermal hydrolysis process and their application in optoelectronic devices

Monica Samal; Nilesh Barange; Doo-Hyun Ko; Kyusik Yun


Scholarcy highlights

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  • The method of synthesis has a profound influence on the properties of carbon nanostructures endowed with quantum confinement
  • The electrical properties of the graphene quantum rings are studied by metal–semiconductor–metal, field-effect transistor, and hybrid solar cell devices comprising the GQRs as the p-type channel and hole transporting material, respectively
  • The GQRs doped poly(3,4-ethylenedioxythiophene):polystyrenesulfonate composite layer served as an efficient hole extraction layer in hybrid solar cells, which shows excellent power conversion efficiency as maximum as 7.4%. Such performances of the devices are attributed to the unique electrical properties and hole extraction applicability of the GQRs
  • These results demonstrate the great potential of GQRs for future electronic and other optoelectronic devices
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