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Electrospun and electropolymerized carbon nanofiber–polyaniline–Cu material as a hole transport material for organic solar cells

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2023, 33(7), pp.2223-2235
  • DOI : 10.1007/s42823-023-00578-0
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General
  • Received : April 7, 2023
  • Accepted : June 29, 2023
  • Published : December 1, 2023

Shanmugasundaram Esakkimuthu 1 Govindasamy Chandramohan 2 Khan Muhammad Ibrar 2 Ganesan Vigneshkumar 1 Narayanan Vimalasruthi 1 Vellaisamy Kannan 1 Rajamohan Rajaram 3 Thambusamy Stalin 1

1Department of Industrial Chemistry, Alagappa University, Karaikudi, 630 003, Tamil Nadu, India
2Department of Community Health Sciences, College of Applied Medical Sciences, King Saud University, P.O. Box 10219, Riyadh, 11433, Saudi Arabia
3Organic Materials Synthesis Laboratory, School of Chemical Engineering, Yeungnam University, Gyeongsan, 38541, Republic of Korea

Accredited

ABSTRACT

Carbon nanofibers (CNFs) are promising materials for the construction of energy devices, particularly organic solar cells. In the electrospinning process, polyacrylonitrile (PAN) has been utilized to generate nanofibers, which is the simplest and most popular method of creating carbon nanofibers (CNFs) followed by carbonization. The CNFs are coated on stainless steel (SS) plates and involve an electropolymerization process. The prepared Cu, CNF, CNF–Cu, PANI, PANI–Cu, CNF–PANI, and CNF–PANI–Cu electrode materials’ electrical conductivity was evaluated using cyclic voltammetry (CV) technique in 1 M H2SO4 electrolyte solution. Compared to others, the CNF–PANI–Cu electrode has higher conductivity that range is 3.0 mA. Moreover, the PANI, CNF–PANI, and CNF–PANI–Cu are coated on FTO plates and characterized for their optical properties (absorbance, transmittance, and emission) and electrical properties (CV and Impedance) for organic solar cell application. The functional groups, and morphology-average roughness of the electrode materials found by FT–IR, XRD, XPS, SEM, and TGA exhibit a strong correlation with each other. Finally, the electrode materials that have been characterized serve to support and act as the nature of the hole transport for organic solar cells.

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