Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV24)
Publication date: 6th February 2024
The demand for eco-friendly and sustainable energy sources has prompted intensive research in the field of photovoltaics, leading to investigate the lead-free materials as alternatives to traditional perovskite solar cells (PSCs). Recently, Cs2AgBiBr6 based double perovskite materials have been explored in photovoltaic devices due to their superior optoelectronic properties and inherent non-toxicity. Here, high quality Cs2AgBiBr6 is synthesized with controlled cooling temperature to improve the crystal growth. Further, the spinel NiCO2O4 nanostructure was investigated to apply as efficient hole transport layer in PSCs. Various techniques were employed to characterize the synthesized materials, including UV–vis spectroscopy (UV), field emission scanning electron microscopy (FESEM), X-ray absorption spectroscopy (XAS), Fourier transform infrared spectroscopy, and transmission electron microscopy (TEM). The crystal structure, band gap, elemental mapping, surface morphology, and coordination of Ni in the Co3O4 matrix were examined using X-ray diffraction (XRD), UV, FESEM, and XAS, respectively. Finally, lead-free inorganic PSCs is fabricated with spinel NiCo2O4 HTL and exhibited enhanced solar cells parameters.
The author, Abhishek Raj, would like to thank CSIR-HRDG, CSIR, New Delhi, and its constituent laboratory CSIR-NEERI, Nagpur, India, for research support.
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International Conference on Hybrid and Organic Photovoltaics
International Conference on Hybrid and Organic Photovoltaics (HOPV) is celebrated yearly in May. The main topics are the development, function and modeling of materials and devices for hybrid and organic solar cells. The field is now dominated by perovskite solar cells but also other hybrid technologies, as organic solar cells, quantum dot solar cells, and dye-sensitized solar cells and their integration into devices for photoelectrochemical solar fuel production.
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