Abstract

In order to investigate the effect of doping C, N, B and F elements on <TEX>$TiO_2$</TEX> for reducing the band gap, the heat treatment of <TEX>$TiO_2$</TEX> was carried out with tetraethylammonium tetrafluoroborate. Through XRD and XPS analysis, the C, N, B and F doped anatase <TEX>$TiO_2$</TEX> was confirmed. According to the increase of temperature during treatment, the particle size was increased due to aggregation of <TEX>$TiO_2$</TEX> with elements (B, C, N and F). To investigate the capacity of photocatalyst for degradation of dye under solar light, the degradation of acridine orange and methylene blue was conducted. The degradation of dyes was carried out successfully under solar light indicating the effect of doping elements (B, C, N and F) on <TEX>$TiO_2$</TEX> for reducing the band gap effectively.

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