Synthesis and photocatalytic activity of Sr₄Al₁₄O₂₅:(Eu, Dy)/TiO_2-xN_y composite photocatalyst
by Huihui Li; Shu Yin; Yuhua Wang; Qiang Dong; Chongshen Guo; Tsugio Sato
International Journal of Nanotechnology (IJNT), Vol. 10, No. 1/2, 2013

Abstract: Sr₄Al₁₄O₂₅:(Eu, Dy)/TiO_2-xN_y composites were synthesised via the solvothermal reaction followed by the mild ball-milling, and the photocatalytic activities were evaluated for deNO_x ability both under artificial solar irradiation with 69.3 W/m² and after turning off the light. It was confirmed that TiO_2-xN_y nanoparticles with rutile phase could be uniformly dispersed on the surface of Sr₄Al₁₄O₂₅:(Eu, Dy). The improvement of photocatalytic deNO_x ability of TiO_2-xN_y, together with the persistent photocatalytic activity for the decomposition of NO gas after turning off the light was realised.

Online publication date: Fri, 07-Dec-2012

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