Title |
The study on preparation and photocatalytic performance of perovskite
LaCoO3 made by stearic acid sol-gel process |
Author |
Jiang LI1,2,*, Zhixian WEI1 |
Institute
|
1. Department of Chemistry, North
University of China, Taiyuan 030051, P.R.China; 2. Department of Applied Chemistry, Branch of North University of China, Taiyuan 030008, P.R.China. |
|
Keywords:
|
LaCoO3; sol-gel process; photocatalytic activity; acid
red B |
| Abstract | In this paper, the perovskite composite oxide LaCoO3 was made by stearic acid sol-gel process and dehydration of wet sol was studied. Moreover, the thermal decomposition behavior of complex precursors and their phases affected by calcining temperature, calcining time were investigated by DTA-TG, XRD, and TEM. The results indicated that water in sol could be well removed by benzene azeotropic distillation and the grain size of prepared nano LaCoO3 was about 15 nm and aggregation was slight. The nano LaCoO3's photocatalytic degradation to acid red B was tested and the results showed that it had high photocatalytic activity. |
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