Nanocrystalline La3+-doped TiO2 of 20-30 nm in size was prepared by a sol-gel technique. The photocatalytic activities o......

通过重氮化反应和耦合反应合成了一种新的液晶显示用高二向色性偶氮染料A,用质谱、核磁共振谱对染料结构进行了表征,并研究了染料......