Nanocrystalline N-Doped<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mrow><mml:msub><mml:mtext>TiO</mml:mtext><mml:mtext>2</mml:mtext></mml:msub></mml:mrow></mml:math>Powders: Mild Hydrothermal Synthesis and Photocatalytic Degradation of Phenol under Visible Light Irradiation
International journal of photoenergy