2021
DOI: 10.5155/eurjchem.12.3.289-298.2127
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Response surface optimization and modeling of caffeine photocatalytic degradation using visible light responsive perovskite structured LaMnO3

Abstract: Caffeine is a refractory pollutant of emerging concern that evades conventional waste-water treatment techniques. Here, we report the synthesis of visible light responsive perovskite structured LaMnO­3 photocatalyst using modified Pechini method and utilized it as an efficient photocatalyst for caffeine degradation. XRD, BET, UV-Vis, NH3-TPD, and SEM were used to characterize the photocatalyst. Response surface methodology using Central composite design was used to investigate the effect of three operational v… Show more

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“…To verify the computational method, the Tauc method, which relies on a linear fitting of Equation (19), was used to determine the optical absorption edge near the band gap values [30,31].…”
Section: The Uv-vis Analysismentioning
confidence: 99%
“…To verify the computational method, the Tauc method, which relies on a linear fitting of Equation (19), was used to determine the optical absorption edge near the band gap values [30,31].…”
Section: The Uv-vis Analysismentioning
confidence: 99%