科研之友
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摘要
Lanthanum-doped sodium tantalate was synthesized by solid state method at low temperature and short calcination time. Pure phase powders were obtained after calcination at 950 degrees C and 1000 degrees C for 1h with average crystal size below 150 nm. The photocatalytic performance was increased with La concentration, reaching a maximum at 2 mol. % La. Good activity was observed even without any loading cocatalyst. After further calcination, there was no evidence of improvement of the photocatalytic performance.
- 出版日期2016
