However, With Zn doping, there is a decreasing trend in the values of E g from 1.91 to 1.85 eV, which greatly helps in enhancing the photocatalytic efficacy of fabricated catalysts.
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Boosting green hydrogen generation using Zn-substituted CoFe<sub>2</sub>O<sub>4</sub> catalysts prepared by sol-gel technique for water splitting applications.
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The sentences
For the crystallite size, an increasing trend from 42.08 nm to 48.51 nm is obtained.