%0 Journal Article %T The Influence of the Ammonolysis Temperature on the Photocatalytic Activity of ¦Â-TaON %A Songhak Yoon %A Alexandra E. Maegli %A Santhosh Kumar Matam %A Matthias Trottmann %J International Journal of Photoenergy %D 2013 %I Hindawi Publishing Corporation %R 10.1155/2013/507194 %U http://dx.doi.org/10.1155/2013/507194