Abstract
In this study, mesoporous manganese oxide-titanium dioxide (Mn2O3/TiO2) nanocomposites have been synthesized following sol-gel method. Different molar ratios of Mn/Ti were evaluated and MT2 (5:1) showed the best photoactivity as well as carrier transport properties. The Langmuir–Hinshelwood model was delineated to calculate the reaction rate which was found to be highest for MT2 (min-1). Several parameters including pore size distribution, pore volume, adsorption isotherms have been analyzed as per Brunauer–Emmett–Teller (BET) method. That was attributed to the high surface area (121.81 m2/g). The space charge limited current (SCLC) theory was employed to calculate the mobility and transit time. MT2 showed the highest carrier mobility (326×10–7 m2 V-1s-1) and lowest transit time (0.08×10–5 s) which are desirable for efficient photoactivity.
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