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RETRACTED ARTICLE: Bi5FeTi3O nanotubes incorporated with g-C3N4 nanosheets as novel Pt-free counter electrode in dye-sensitized solar cells

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This article was retracted on 09 November 2022

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Abstract

Because of their high-efficiency interfacial charge-transfer characteristics of heterojunction nanocomposites have sparked widespread interest in solar cell field. The present study reports the sol–gel electrospinning assisted Bi5FeTi3O15 (BFTO)/g-C3N4 (CN) heterojuction nanocomposites as counter electrodes (CEs) for dye-sensitized solar cells (DSSCs). XRD and TEM studies reveals that BFTO has orthorhombic crystal structure and nanotubes with diameter of 50–100 nm have been decorated on the CN nanosheets. The obvious red-shift in absorption and strong blue and green florescence has been found in the UV and PL studies. Furthermore, the BFTO/CN nanohybrid as-fabricated exhibited a synergetic effect between Bi5FeTi3O15 nanotubes and a g-C3N4 nanosheets, which could influence the electrocatalytic behavior against the triiodide reaction. The photovoltaic efficiency of the BFTO/CN CE is 11.2%, which is better than the typical Pt CE (7.6%) and bare BFTO CE (4.9%). As a result, the CE made of BFTO/CN nanohybrid material is a promising low-cost Pt-free counter electrode for DSSC.

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The data that support the findings of this study are available from the corresponding author, upon reasonable request.

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Authors and Affiliations

  1. Department of Electrical and Electronics Engineering, Paavai Engineering College (Autonomous), Namakkal, Tamil Nadu, 637 018, India

    M. Karthick & A. Rathinam

  2. Department of Physics, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Thandalam, Chennai, Tamil Nadu, 602105, India

    S. Vadivel

Authors
  1. M. Karthick
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  2. A. Rathinam
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  3. S. Vadivel
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Contributions

MK and AR: study conceptualization and writing (original draft) the manuscript. SV: data curation, formal analysis and writing (review & editing), and funding acquisition and project administration.

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Correspondence to S. Vadivel.

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This article has been retracted. Please see the retraction notice for more detail: https://doi.org/10.1007/s10854-022-09382-4

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Karthick, M., Rathinam, A. & Vadivel, S. RETRACTED ARTICLE: Bi5FeTi3O nanotubes incorporated with g-C3N4 nanosheets as novel Pt-free counter electrode in dye-sensitized solar cells. J Mater Sci: Mater Electron 33, 4940–4950 (2022). https://doi.org/10.1007/s10854-021-07683-8

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  • DOI: https://doi.org/10.1007/s10854-021-07683-8

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