Sequential coating upconversion NaYF4:Yb,Tm nanocrystals with SiO2 and ZnO layers for NIR-driven photocatalytic and antibacterial applications
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- 作者：Meijie Tou ; Zhenguo Luo ; Song Bai ; Fangying Liu ; Qunxia Chai ; Sheng Li ; Zhengquan Li ; zqli@zjnu.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Upconversion ; Antibacterial ; Core-shell structure ; Photocatalysis ; ZnO
- 刊名：Materials Science & Engineering C
- 出版年：2017
- 出版时间：1 January 2017
- 年：2017
- 卷：70
- 期：part_P2
- 页码：1141-1148
- 全文大小：1422 K
文摘
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Core-shell NaYF4:Yb,Tm@SiO2@TiO2 NPs were synthesized via a sequential coating method.
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Hybrid NaYF4:Yb,Tm@SiO2@TiO2 NPs show NIR-light enhanced photocatalytic activity.
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NIR-driven antibacterial performance has been realized with NaYF4:Yb,Tm@SiO2@TiO2 NPs.
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Working mechanism of the hybrid photocatalysts as antibacterial agents was proposed.