科研之友
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摘要
The synthesized TiN (s-TiN) with superior catalytic activity was fabricated through a simple, low-cost, and non-toxic process as a potential material of waste water treatment. The photocatalytic performance of s-TiN was estimated by chemical reduction of Cr(VI) and photo degradation of RhB with existence of visible light. For s-TiN, the removal rate of Cr(VI) was 98% within 1 minute and the photo degradation of RhB reached to 99.7% within 4 minutes. However, for the purchased TiN (p-TiN), the removal rate of Cr(VI) was 17% and the degradation rate of RhB was only 1%. The excellent photocatalytic activity is owing to the increased molecular adsorption, visible light absorption and effective charge separation. Furthermore, another interesting discovery is that the metal Zinc was produced along with TiN synthesis on the inside crucible cover simultaneously.
