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Because of their large surface area, optical behaviour, and catalytic nature, scientists are changing their research strategies to produce renewable energies from readily available resources at low cost. NPs are the best candidate for this reason. NPs are widely used to generate power from photoelectrochemical (PEC) and electrochemical water splitting [48], especially in photocatalytic applications. Electrochemical CO₂ reduction in fuel precursors, solar cells, and piezoelectric generators also provided advanced energy generation options in addition to water splitting [34]. NPs are often used in energy storage applications to reserve animations in various ways at the nanoscale level [101, 102]. Nanogenerators have recently been developed to transform mechanical energy into electricity using piezoelectric power, an unconventional approach to power generation [103].