Experimental investigation of structural and photophysical nature of non-toxic Cs2AlBiCl6 double perovskite for photovoltaic applications

Pandey, Nivedita; Neelu, Neelu; Chakrabarti, Subhananda

doi:10.1117/12.2632936

Cited by 1 publication

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“…This strategic approach allows researchers to tailor the chemical composition and properties of perovskite materials, providing a pathway to mitigate environmental concerns associated with lead-based perovskites. The investigation into double perovskites represents a promising avenue for developing environmentally friendly and sustainable alternatives for use in various electronic applications, including solar cells (3)(4)(5)(6)(7)(8)(9). Hybrid double perovskites (HDPs) demonstrate remarkable compositional flexibility, primarily attributed to the extensive array of potential elements that can occupy the B' and B'' sites.…”

Section: Introductionmentioning

confidence: 99%

Performance analysis of lead free organic-inorganic hybrid double perovskites MA2NaBiCl6 based fabricated solar cell device

Sharma,

Pandey,

Nath

et al. 2024

Organic Photonic Materials and Devices XXVI

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Perovskite materials hold promise for photovoltaic use due to their high efficiency, low cost, and versatility. However, challenges remain, including stability and environmental impact, but their potential to transform solar energy is significant. Lead-based perovskites have significantly boosted power conversion efficiency in photovoltaics, going from 3.8% to 33.3% in recent years. Lead-based perovskite materials have toxicity and stability issues, including sensitivity to light, heat, and moisture. Researchers are working on addressing these concerns, but they remain challenges for the technology. Therefore, the ongoing research focused on synthesizing lead-free perovskite materials for solar cells applications. We have synthesized MA2NaBiCl6 lead-free halide double perovskites material using one step cost effective hydrothermal method showing suitable tolerance and octahedral factors which signifies the stability of the material. We have fabricated the solar cell device based on as synthesized MA2NaBiCl6 as absorbing layer and Cu2O and ZnO as electron and hole transport layer respectively in the fabricated device. We have made contact of gold for good adhesion and characterize the solar cell device. The short circuit current density (JSC), open circuit voltage (VOC), fill factor (FF) and power conversion efficiency (PCE) of the solar cell device is found to be 4.01 mA/cm 2 , 0.97 V, 58 and 2.08% respectively. The calculated solar cell performance parameters are excellent in comparison to the reported solar cell device based on double perovskites materials which offers us a promising window for improving the sustainability of photovoltaic technology by addressing environmental and health concerns associated with lead.

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