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Fekadu Tadesse Bekena,Hairus Abdullah,Dong-Hau Kuo,Misganaw Alemu Zeleke 한국공업화학회 2019 Journal of Industrial and Engineering Chemistry Vol.78 No.-
Novel Mg-doped Zn(O,S) nanoparticles were synthesized by a chemical precipitation process at 90 C andthe prepared nanoparticles were characterized by XRD, SEM, HRTEM, XPS, UV–vis, DRS, PL, EIS, andphotocurrent response. The photocatalytic reduction for the 4-nitrophenol using Na2SO3 under UV lightirradiation showed that Mg–Zn(O,S)-2.5 exhibited higher activity compared with other samples. 96.7% of4-nitrophenolate ion reduced into 4-aminophenol within 45 min. Mg–Zn(O,S)-2.5 was also testedfor hydrogen evolution, where the rates of 1035 mmol/g for the 4-NP-free sample and 705 mmol/g for the4-NP-added one were achieved. Finally, the stability and reaction mechanism was mentioned.