The effects of the amount of Yb3+ doping and the calcination temperature on the phase transformation, crystallite size, surface texture of the nanopowders were investigated by XRD and BET surface area.

• 用XRD,BET等技术研究了Yb3+掺杂量和焙烧温度对粉体的相结构、晶粒尺寸和表面织构特性的影响,并以亚甲基蓝的光催化降解为探针反应,研究了它们对光催化活性的影响。