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<p>In the present study, a novel approach combining green chemistry with energy generation is explored to address the growing global energy demand using Cu-doped TiO<sub>2</sub> nanoparticles. A unique green synthesis method has been adopted for the preparation of these nanoparticles. A comprehensive analysis was conducted to investigate the effects of different surfactants, including PVP, SDS, and CTAB, on the crystallography, surface morphology, optical band gap, and solar power conversion efficiency of Cu-doped TiO<sub>2</sub> nanoparticles. CTAB-mediated Cu-doped TiO<sub>2</sub> nanoparticles were found to exhibit a uniform, spherical shape with minimal agglomeration of particles. The dense morphology of the CTAB-mediated Cu-doped TiO<sub>2</sub> suggests a strong correlation between the morphology and solar power conversion efficiency. The optical band gap was observed to decrease with the introduction of different surfactants, with the greatest reduction achieved using the CTAB surfactant. A thorough examination of the solar cell parameters was performed using various surfactants in Cu-doped TiO<sub>2.</sub>The highest short circuit current density of 17.0&#xa0;mA/cm<sup>2</sup> and open circuit voltage of 0.792&#xa0;V were obtained with the CTAB surfactant. The enhanced short circuit current density led to the maximum power conversion efficiency, with a peak efficiency of 6.8% achieved for CTAB-mediated Cu-doped TiO<sub>2</sub> nanoparticles. The results obtained in this study offer promising insights into energy harvesting applications, potentially addressing global energy demands without detrimental effects on health and the environment.</p>

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Impact of surfactants on solar cell parameters of green synthesized Cu-doped TiO2 based solar cells

  • 期刊论文

  • 发表日期：

    2025年4月7日

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  • Mansi,
  • Shashikant,
  • Vandana

摘要

In the present study, a novel approach combining green chemistry with energy generation is explored to address the growing global energy demand using Cu-doped TiO2 nanoparticles. A unique green synthesis method has been adopted for the preparation of these nanoparticles. A comprehensive analysis was conducted to investigate the effects of different surfactants, including PVP, SDS, and CTAB, on the crystallography, surface morphology, optical band gap, and solar power conversion efficiency of Cu-doped TiO2 nanoparticles. CTAB-mediated Cu-doped TiO2 nanoparticles were found to exhibit a uniform, spherical shape with minimal agglomeration of particles. The dense morphology of the CTAB-mediated Cu-doped TiO2 suggests a strong correlation between the morphology and solar power conversion efficiency. The optical band gap was observed to decrease with the introduction of different surfactants, with the greatest reduction achieved using the CTAB surfactant. A thorough examination of the solar cell parameters was performed using various surfactants in Cu-doped TiO2.The highest short circuit current density of 17.0 mA/cm2 and open circuit voltage of 0.792 V were obtained with the CTAB surfactant. The enhanced short circuit current density led to the maximum power conversion efficiency, with a peak efficiency of 6.8% achieved for CTAB-mediated Cu-doped TiO2 nanoparticles. The results obtained in this study offer promising insights into energy harvesting applications, potentially addressing global energy demands without detrimental effects on health and the environment.