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Anothumakkool B, Game O, Bhange SN, et al. Enhanced catalytic activity of polyethylenedioxythiophene towards tri-iodide reduction in DSSCs via 1-dimensional alignment using hollow carbon nanofibers. Nanoscale. 2014;6(17):10332-9doi: 10.1039/c4nr00717d.
Anothumakkool, B., Game, O., Bhange, S. N., Kumari, T., Ogale, S. B., & Kurungot, S. (2014). Enhanced catalytic activity of polyethylenedioxythiophene towards tri-iodide reduction in DSSCs via 1-dimensional alignment using hollow carbon nanofibers. Nanoscale, 6(17), 10332-9. https://doi.org/10.1039/c4nr00717d
Anothumakkool, Bihag, et al. "Enhanced catalytic activity of polyethylenedioxythiophene towards tri-iodide reduction in DSSCs via 1-dimensional alignment using hollow carbon nanofibers." Nanoscale vol. 6,17 (2014): 10332-9. doi: https://doi.org/10.1039/c4nr00717d
Anothumakkool B, Game O, Bhange SN, Kumari T, Ogale SB, Kurungot S. Enhanced catalytic activity of polyethylenedioxythiophene towards tri-iodide reduction in DSSCs via 1-dimensional alignment using hollow carbon nanofibers. Nanoscale. 2014 Sep 07;6(17):10332-9. doi: 10.1039/c4nr00717d. PMID: 25072706.
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Nanoscale. 2014 Sep 07;6(17):10332-9. doi: 10.1039/c4nr00717d.

Enhanced catalytic activity of polyethylenedioxythiophene towards tri-iodide reduction in DSSCs via 1-dimensional alignment using hollow carbon nanofibers.

Nanoscale

Bihag Anothumakkool, Onkar Game, Siddheshwar N Bhange, Tanya Kumari, Satishchandra B Ogale, Sreekumar Kurungot

Affiliations

  1. Physical and Materials Chemistry Division, National Chemical Laboratory, Pune-411008, Maharashtra, India. [email protected] [email protected].

PMID: 25072706 DOI: 10.1039/c4nr00717d

Abstract

Here, we report a highly conducting 1-dimensionally (1-D) aligned polyethylenedioxythiophene (PEDOT) along the inner and outer surfaces of a hollow carbon nanofiber (CNF) and its application as a counter electrode in a dye sensitized solar cell (DSSC). The hybrid material (CP-25) displays a conversion efficiency of 7.16% compared to 7.30% for the standard Pt counter electrode, 4.48% for bulk PEDOT and 5.56% for CNF. The enhanced conversion efficiency of CP-25 is attributed to the accomplishment of high conductivity and surface area of PEDOT through the 1-D alignment compared to its bulk counterpart. Reduced charge transfer resistance and high conductivity of CP-25 could be proven by cyclic voltammetry, impedance analysis and Tafel experiments. Further, through a long-term stability test involving efficiency profiling for 20 days, it is observed that CP-25 possesses excellent durability compared to the bulk PEDOT.

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