Аннотация:
The title microspheres were synthesized by a parallel flow precipitation process using Bi(NO3)3·5H2O, Ni(NO3)2·6H2O and (NH4)2CO3. The crystalline phase of Ni-doped Bi2O3 gradually changed from a-Bi2O3 to b-Bi2O3, and its morphology varied from irregular chips to the self-assembly microspheres and microflowers when Ni was introduced into Bi2O3. The microspheres doped with 3 at% Ni exhibited much higher photocatalytic activity in the photodegradation of pyridine than that of pure Bi2O3.
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