Waste water expulsion containing toxic and hazardous ingredients from textile industry is one of the biggest concerns in this modern age. N-doped nano composites as an efficient catalyst are playing a significant role...Waste water expulsion containing toxic and hazardous ingredients from textile industry is one of the biggest concerns in this modern age. N-doped nano composites as an efficient catalyst are playing a significant role in reducing the toxicity of that textile effluent. N-doped Ti-Mel capped Ag<sub>2</sub>S NCs (N-Ti-C/Ag<sub>2</sub>S NCs) and N-doped TiO<sub>2</sub> capped Ag<sub>2</sub>S NCs (TiO<sub>2</sub>/Ag<sub>2</sub>S NCs) were synthesized via calcinations at 700°C, whereas Ag<sub>2</sub>S NCs was prepared by simple hydrothermal treatment process at 120°C and confirmed by FTIR and SEM (EDX). N-Ti-C/Ag<sub>2</sub>S NCs were applied in presence of reducing agent NaBH<sub>4</sub> with a green method to decolorize the textile dyes Levafix Amber RR (LA) and Remazol Blue RR (RB). Moreover, Ag<sub>2</sub>S NCs, TiO<sub>2</sub>/Ag<sub>2</sub>S NCs, NaBH<sub>4</sub> and TiO<sub>2</sub> were also investigated. Using UV-visible spectroscopy the progress time was measured to decolorize textile dye RB and completed within 3.15 mins, 12.15 mins, 12.15 mins for N-Ti-C/Ag<sub>2</sub>S NCs, Ag<sub>2</sub>S NCs and TiO<sub>2</sub>/Ag<sub>2</sub>S NCs respectively, while for LA the catalytic reduction taken for the same NCs was 8.15 mins, 12.15 mins and 30.15 mins respectively. N-Ti-C/Ag<sub>2</sub>S NCs based catalyst afforded excellent catalytic reduction activity in both cases. Interestingly the effect of NaBH<sub>4</sub> itself and TiO<sub>2</sub> in presence of NaBH<sub>4</sub> was less than 5% after 30 mins. Finally, the reusability for Ti-Mel capped Ag<sub>2</sub>S NCs evaluated up to four cycles.展开更多
文摘Waste water expulsion containing toxic and hazardous ingredients from textile industry is one of the biggest concerns in this modern age. N-doped nano composites as an efficient catalyst are playing a significant role in reducing the toxicity of that textile effluent. N-doped Ti-Mel capped Ag<sub>2</sub>S NCs (N-Ti-C/Ag<sub>2</sub>S NCs) and N-doped TiO<sub>2</sub> capped Ag<sub>2</sub>S NCs (TiO<sub>2</sub>/Ag<sub>2</sub>S NCs) were synthesized via calcinations at 700°C, whereas Ag<sub>2</sub>S NCs was prepared by simple hydrothermal treatment process at 120°C and confirmed by FTIR and SEM (EDX). N-Ti-C/Ag<sub>2</sub>S NCs were applied in presence of reducing agent NaBH<sub>4</sub> with a green method to decolorize the textile dyes Levafix Amber RR (LA) and Remazol Blue RR (RB). Moreover, Ag<sub>2</sub>S NCs, TiO<sub>2</sub>/Ag<sub>2</sub>S NCs, NaBH<sub>4</sub> and TiO<sub>2</sub> were also investigated. Using UV-visible spectroscopy the progress time was measured to decolorize textile dye RB and completed within 3.15 mins, 12.15 mins, 12.15 mins for N-Ti-C/Ag<sub>2</sub>S NCs, Ag<sub>2</sub>S NCs and TiO<sub>2</sub>/Ag<sub>2</sub>S NCs respectively, while for LA the catalytic reduction taken for the same NCs was 8.15 mins, 12.15 mins and 30.15 mins respectively. N-Ti-C/Ag<sub>2</sub>S NCs based catalyst afforded excellent catalytic reduction activity in both cases. Interestingly the effect of NaBH<sub>4</sub> itself and TiO<sub>2</sub> in presence of NaBH<sub>4</sub> was less than 5% after 30 mins. Finally, the reusability for Ti-Mel capped Ag<sub>2</sub>S NCs evaluated up to four cycles.
