A type of high visible-light active titanium oxinitride(TiO2-xNx)powder was prepared by a simple proc-ess:the calcination of the hydrated titanium dioxide at the atmosphere of ammonia-argon using a tu-bular electric f...A type of high visible-light active titanium oxinitride(TiO2-xNx)powder was prepared by a simple proc-ess:the calcination of the hydrated titanium dioxide at the atmosphere of ammonia-argon using a tu-bular electric furnace at high temperatures.The hydrated titanium dioxide was synthesized as the precursor of TiO2-xNx using titanic acid as raw material,which came from sulfate technique of produc-ing titanium white.The effects of temperature and reaction time on the nitrogen content,grain size and crystal structure were studied.The visible-light activity and photocatalysis capability of the powder were also investigated.展开更多
文摘A type of high visible-light active titanium oxinitride(TiO2-xNx)powder was prepared by a simple proc-ess:the calcination of the hydrated titanium dioxide at the atmosphere of ammonia-argon using a tu-bular electric furnace at high temperatures.The hydrated titanium dioxide was synthesized as the precursor of TiO2-xNx using titanic acid as raw material,which came from sulfate technique of produc-ing titanium white.The effects of temperature and reaction time on the nitrogen content,grain size and crystal structure were studied.The visible-light activity and photocatalysis capability of the powder were also investigated.
