Well-Separated Photoinduced Charge Carriers on Hydrogen Production Using NiS₂/TiO₂ Nanocomposites.

An increasing trend in the hydrogen evolution was observed with the increase in the NiS 2 content on TiO 2 up to its 15 wt % and then it was found to decrease (1.766, 3.603, 4.185, and 1.767 mmol g –1 for 5, 10, 15, and 20 wt % NiS 2 /TiO 2 ; Figure 6 ).

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