Insights into sputtering-induced degradation and its Mitigation using Pyrrolo[3,4-c]pyrrole-1,3-dione derivatives as dopant-free polymeric hole transport materials in open-air processed perovskite solar cells

Nagarajan, Deepan Chakravarthi; Gunasekaran, Nithyapremini; Prabakar, Kandasamy

doi:10.1016/j.solener.2024.112891

Solar Energy

2024

DOI: 10.1016/j.solener.2024.112891

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Insights into sputtering-induced degradation and its Mitigation using Pyrrolo[3,4-c]pyrrole-1,3-dione derivatives as dopant-free polymeric hole transport materials in open-air processed perovskite solar cells

Deepan Chakravarthi Nagarajan,

Nithyapremini Gunasekaran,

Kandasamy Prabakar

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Modulation of Energy Band Positions in Sb₂S₃ Thin Films for Enhanced Photovoltaic Performance of FTO/TiO₂/Sb₂S₃/P3HT/Au Solar Cell

Gunasekaran,

Nagarajan,

Nataraj

et al. 2024

Energy Tech

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Antimony sulfide (Sb2S3) has the potential as an absorber material in photovoltaics due to its suitable bandgap and favorable optoelectronic properties. However, its energy band positions are not extensively explored which are essential for effective charge separation and transfer. This study examines the energy band positions of Sb2S3 thin films as a function of annealing temperature. Sb2S3 thin films are grown by a combination of successive ionic layer adsorption and reaction (SILAR) and chemical bath deposition (CBD) method to enhance the crystallinity, tune the bandgap, and overall quality of Sb2S3 films to enhance the photovoltaic performance. Optical bandgap decreases from 2.41 to 1.67 eV from the as‐deposited films to annealed at 300 °C due to changes in interatomic distances. Energy band positions of Sb2S3 films are measured both by cost‐effective electrochemical cyclic voltammetry and Mott–Schottky analysis and validated the findings using ultraviolet photoelectron spectroscopy (UPS). The conductivity of Sb2S3 is found to be n‐type. Thin‐film solar cells are then fabricated by employing Sb2S3 as an absorber layer in an FTO/TiO2/Sb2S3/P3HT/Au structure, achieving an enhanced power conversion efficiency, increasing from 0.4 to 2.8% after annealing. These findings demonstrate the potential of Sb2S3 as a low‐cost absorber material for thin‐film photovoltaics.

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Modulation of Energy Band Positions in Sb₂S₃ Thin Films for Enhanced Photovoltaic Performance of FTO/TiO₂/Sb₂S₃/P3HT/Au Solar Cell

Gunasekaran,

Nagarajan,

Nataraj

et al. 2024

Energy Tech

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Insights into sputtering-induced degradation and its Mitigation using Pyrrolo[3,4-c]pyrrole-1,3-dione derivatives as dopant-free polymeric hole transport materials in open-air processed perovskite solar cells

Cited by 1 publication

References 45 publications

Modulation of Energy Band Positions in Sb₂S₃ Thin Films for Enhanced Photovoltaic Performance of FTO/TiO₂/Sb₂S₃/P3HT/Au Solar Cell

Modulation of Energy Band Positions in Sb₂S₃ Thin Films for Enhanced Photovoltaic Performance of FTO/TiO₂/Sb₂S₃/P3HT/Au Solar Cell

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Insights into sputtering-induced degradation and its Mitigation using Pyrrolo[3,4-c]pyrrole-1,3-dione derivatives as dopant-free polymeric hole transport materials in open-air processed perovskite solar cells

Cited by 1 publication

References 45 publications

Modulation of Energy Band Positions in Sb2S3 Thin Films for Enhanced Photovoltaic Performance of FTO/TiO2/Sb2S3/P3HT/Au Solar Cell

Modulation of Energy Band Positions in Sb2S3 Thin Films for Enhanced Photovoltaic Performance of FTO/TiO2/Sb2S3/P3HT/Au Solar Cell

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Modulation of Energy Band Positions in Sb₂S₃ Thin Films for Enhanced Photovoltaic Performance of FTO/TiO₂/Sb₂S₃/P3HT/Au Solar Cell

Modulation of Energy Band Positions in Sb₂S₃ Thin Films for Enhanced Photovoltaic Performance of FTO/TiO₂/Sb₂S₃/P3HT/Au Solar Cell