Novel Spinel Nanomaterials for Photocatalytic Hydrogen Evolution Reactions: An Overview

Swapnali Walake, Yogesh Jadhav () and Atul Kulkarni ()
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Swapnali Walake: Symbiosis Centre for Nanoscience and Nanotechnology, Symbiosis International (Deemed University) Lavale, Pune 412115, India
Yogesh Jadhav: Symbiosis Centre for Nanoscience and Nanotechnology, Symbiosis International (Deemed University) Lavale, Pune 412115, India
Atul Kulkarni: Symbiosis Centre for Nanoscience and Nanotechnology, Symbiosis International (Deemed University) Lavale, Pune 412115, India

Energies, 2023, vol. 16, issue 12, 1-13

Abstract: The energy demand generated by fossil fuels is increasing day by day, and it has drastically increased after the COVID-19 pandemic as industries and household utilities rejuvenate. Renewable sources are thus becoming more essential as easily available, alternative methods of low-cost energy generation. Among these renewables, solar energy, i.e., solar power, is a promising energy source and can be used for solar-based H 2 evolution because H 2 technology is a leading source of eco-friendly electricity generation, and most of the worldwide efforts to develop this method involve heterogeneous catalysis for H 2 evolution via water splitting and its storage, i.e., using a fuel cell. In the current scenario, there is a need to develop a stable, recyclable, and reusable heterogeneous catalyst system, which is a great challenge. In the current study, we have focused on novel ferrite magnetic nanomaterials for recyclable and reusable robust photocatalysis. Moreover, discussions of the factors contributing to the photocatalytic hydrogen evolution, low-cost synthesis techniques, and prospects for making them ideal photocatalysts are uncommon in the literature. The study will impart possible approaches for the design and development of novel ferrite nanomaterials and their nanocomposites for H 2 generation in the forthcoming years.

Keywords: renewable energy; H 2 evolution; solar power; recyclable; stable; synthesis approaches; photocatalysis; spinel ferrites; nanomaterials (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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