In this work,a visible light photocatalyst based on Au modified BiVO_(4)microspheres was synthesized successfully through using a facile photodeposition method for visible light N_(2)fixation.Compared with pure BiVO_(...In this work,a visible light photocatalyst based on Au modified BiVO_(4)microspheres was synthesized successfully through using a facile photodeposition method for visible light N_(2)fixation.Compared with pure BiVO_(4)microparticles(MPs),the obtained Au/BiVO_(4)MPs show superior N_(2)photofixation performance to BiVO_(4),owing to the enhancements of both the visible light absorption and charge carrier separation.After optimization,the actual NH_(4)^(+)generation rate of Au/BiVO_(4)reaches 0.419 mg·L^(-1),which is approximately 2 times higher than that of the pure BiVO_(4)one.The results presented herein provide new insights into rational design of highly active catalysts with Au NPs toward efficient,stable,and sustainable visible light N_(2)fixation in mild conditions.展开更多
基金supported by the Science and Technology Projects of Xuzhou City(No.KC14SM088)the Natural Science Fund for Colleges and Universities in Jiangsu Province(No.15KJB430031)
文摘In this work,a visible light photocatalyst based on Au modified BiVO_(4)microspheres was synthesized successfully through using a facile photodeposition method for visible light N_(2)fixation.Compared with pure BiVO_(4)microparticles(MPs),the obtained Au/BiVO_(4)MPs show superior N_(2)photofixation performance to BiVO_(4),owing to the enhancements of both the visible light absorption and charge carrier separation.After optimization,the actual NH_(4)^(+)generation rate of Au/BiVO_(4)reaches 0.419 mg·L^(-1),which is approximately 2 times higher than that of the pure BiVO_(4)one.The results presented herein provide new insights into rational design of highly active catalysts with Au NPs toward efficient,stable,and sustainable visible light N_(2)fixation in mild conditions.
