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- 저자 : Ibrahim M. Maafa (검색결과 1 건)
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Maira Shabir,Nasir Shezad,Iqrash Shafiq,Ibrahim M. Maafa,Parveen Akhter,Kshaf Azam,Ashfaq Ahmed,See Hoon Lee,Young-Kwon Park,Murid Hussain 한국공업화학회 2022 Journal of Industrial and Engineering Chemistry Vol.105 No.-
A visible-light active N,S-codoped TiO2 incorporated with carbon nanotubes (CNTs) was synthesized by amulticomponent heterojunction scheme. The synthesized photocatalysts was examined by several analysistechniques. The conventional TiO2, N-doped TiO2, TiO2/CNT and N,S-codoped TiO2 were also synthesized,characterized, and integrated adsorptive-photocatalytic degradation rates were subsequentlycompared and assessed, for comparative purposes as reference photocatalysts. The parametric studywas also carried out to investigate the effect of various operational factors, such as solution pH, the photocatalystloading and initial concentration of dye solution, on the adsorptive-photocatalytic performance. The best activity performance was attained with the N,S-TiO2/CNTs nanocomposite due to thesynergistic effect of ternary components caused by the incorporation of dopants and CNTs in TiO2 lattice,providing a high number of adsorption sites and facilitating the effective separation of photogeneratedcharge carriers and minimal recombination rates. N,S-TiO2/CNTs exhibited around three times higherphotocatalytic performance than that of the binary composites, i.e., N-TiO2, TiO2/CNTs, N,S-TiO2, andabout four times higher than the conventional TiO2. Furthermore, the superior nanocomposites were alsoinvestigated for their recyclability for five consecutive cycles.
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