摘要
Recently, study on the photocatalytic degradation of harmful substances by usingsemiconductors has received much attention,because semiconductors, as a stable andinexpensive photocatalyst, may be effective for the degradation of pollutants from the stand-point of solar energy utilization, e.g. TiO<sub>2</sub>, the photoinduced holes with high oxidationpotential, may be used as strong oxidant to decompose a large number of
基金
National Natural Science Foundation of China.