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通过飞秒激光混合技术在钛板上构建用于光催化剂的Ag-TiO分级微/纳米结构。

Construction of Ag-TiO Hierarchical Micro-/Nanostructures on a Ti Plate for Photocatalysts via Femtosecond Laser Hybrid Technology.

作者信息

Li Qian-Kun, Li Yue, Wang Yan-Jun, Qi Jin-Yong, Wang Yan, Liu Yao-Dong, Liu Xue-Qing

机构信息

State Key Laboratory of High Power Semiconductor Lasers, School of Physics, Changchun University of Science and Technology, 7089 Wei-Xing Road, Changchun 130022, China.

Key Laboratory of Advanced Structural Materials of Ministry of Education, Changchun University of Technology, Changchun 220103, China.

出版信息

Micromachines (Basel). 2023 Sep 22;14(10):1815. doi: 10.3390/mi14101815.

DOI:10.3390/mi14101815
PMID:37893252
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10609506/
Abstract

Titanium dioxide photocatalysts can break down pollutants using natural light. They possess notable light stability, chemical stability, and catalytic effects, thus leading to extensive research worldwide. However, the limited light absorption range of titanium dioxide and their inefficiencies in generating and transporting photogenerated carriers hinder the enhancement of their photocatalytic performance. In this study, we employ a femtosecond laser composite processing method to create an Ag-TiO nanoplate composite catalyst. This method doubles the catalytic efficiency compared with the structure processed solely with the femtosecond laser. The resulting Ag-TiO nanoplate composite catalysts show significant promise for addressing environmental and energy challenges, including the photodegradation of organic pollutants.

摘要

二氧化钛光催化剂可以利用自然光分解污染物。它们具有显著的光稳定性、化学稳定性和催化效果,因此在全球范围内引发了广泛的研究。然而,二氧化钛有限的光吸收范围以及其在光生载流子产生和传输方面的低效率阻碍了其光催化性能的提升。在本研究中,我们采用飞秒激光复合加工方法制备了Ag-TiO纳米片复合催化剂。与仅用飞秒激光加工的结构相比,这种方法使催化效率提高了一倍。所得的Ag-TiO纳米片复合催化剂在应对环境和能源挑战方面,包括有机污染物的光降解,显示出巨大的潜力。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/37de/10609506/886a162ee086/micromachines-14-01815-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/37de/10609506/6cc2470eff56/micromachines-14-01815-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/37de/10609506/bc784bcef12e/micromachines-14-01815-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/37de/10609506/2a67ad530571/micromachines-14-01815-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/37de/10609506/76ee01234bcb/micromachines-14-01815-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/37de/10609506/cf39a6686765/micromachines-14-01815-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/37de/10609506/df9d2698bd9e/micromachines-14-01815-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/37de/10609506/454632186172/micromachines-14-01815-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/37de/10609506/2e7efc230ee2/micromachines-14-01815-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/37de/10609506/05ed235ce1b8/micromachines-14-01815-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/37de/10609506/886a162ee086/micromachines-14-01815-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/37de/10609506/6cc2470eff56/micromachines-14-01815-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/37de/10609506/bc784bcef12e/micromachines-14-01815-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/37de/10609506/2a67ad530571/micromachines-14-01815-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/37de/10609506/76ee01234bcb/micromachines-14-01815-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/37de/10609506/cf39a6686765/micromachines-14-01815-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/37de/10609506/df9d2698bd9e/micromachines-14-01815-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/37de/10609506/454632186172/micromachines-14-01815-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/37de/10609506/2e7efc230ee2/micromachines-14-01815-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/37de/10609506/05ed235ce1b8/micromachines-14-01815-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/37de/10609506/886a162ee086/micromachines-14-01815-g010.jpg

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