中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
首页 机构 成果 学者
  
  1. CAS IR Grid
  2. 广州地球化学研究所
  3. 中国科学院广州地球化学研究所
Ag3PO4-anchored La2Ti2O7 nanorod as a Z-Scheme heterostructure composite with boosted photogenerated carrier separation and enhanced photocatalytic performance under natural sunlight

文献类型：期刊论文

作者Chen, Xiaojuan6; Chen, Jieming6; Li, Ning5,6; Li, Jiesen1,6; He, Juhua4,6; Xu, Song6; Zhu, Yanping2; Yao, Liang6; Lai, Yiqi6; Zhu, Runliang3
刊名ENVIRONMENTAL POLLUTION
出版日期2023
卷号323页码:121322
关键词VISIBLE-LIGHT G-C3N4 NANOSHEETS DEGRADATION HETEROJUNCTION CONSTRUCTION SEMICONDUCTOR MECHANISM NANOPARTICLES EFFICIENT TOXICITY
ISSN号0269-7491
DOI10.1016/j.envpol.2023.121322
英文摘要Developing wide spectra-responsive photocatalysts has attracted considerable attention in the photocatalytic technology to achieve excellent catalytic activity. Ag3PO4, with strong response to light spectra shorter than 530 nm, shows extremely outstanding photocatalytic oxidation ability. Unfortunately, the photocorrosion of Ag3PO4 is still the biggest obstacle to its application. Herein, the La2Ti2O7 nanorod was used to anchor Ag3PO4 nanoparticles in this study, and a novel Z-Scheme La2Ti2O7/Ag3PO4 heterostructure composite was constructed. Remarkably, the composite showed strong responsive to most of the spectra in natural sunlight. The Ag0 formed in-situ acted as the recombination center of photogenerated carriers, which promoted their efficient separation and contributed to the improved photocatalytic performance of the heterostructure. When the mass ratio of Ag3PO4 in the La2Ti2O7/Ag3PO4 catalyst was 50%, the degradation rate constant of Rhodamine B (RhB), methyl orange (MO), chloroquine phosphate (CQ), tetracycline (TC), and phenol under natural sunlight irradiation were 0.5923, 0.4463, 0.1399, 0.0493, and 0.0096 min?1, respectively. Furthermore, the photocorrosion of the composite was greatly inhibited, 76.49% of CQ and 83.96% of RhB were still degraded after four cycles. Besides, the holes and O2?? played a significant role in RhB degradation, and it included multiple mechanisms of deethylation, deamination, decarboxylation, and cleavage of ring-structures. Moreover, the treated solution can also show safety to the water receiving environment. Overall, the synthesized Z-Scheme La2Ti2O7/Ag3PO4 composite exhibited immense potential for removing various organic pollutants through photocatalytic technology under natural sunlight irradiation. ? 2023 Elsevier Ltd
WOS研究方向Environmental Sciences
语种英语
WOS记录号WOS:000945899500001
源URL[http://ir.gig.ac.cn/handle/344008/80224]  
专题中国科学院广州地球化学研究所
作者单位1.Department of Research and Development, Guangzhou Ginpie Technology Co., Ltd., Guangzhou; 510670, China
2.College of Natural Resources and Environment, South China Agricultural University, Guangzhou; 510642, China
3.Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou; 510640, China
4.Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Hong Kong, 999077, China
5.Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou; 510610, China
6.Foshan University, Foshan; 528225, China
推荐引用方式
GB/T 7714		 Chen, Xiaojuan,Chen, Jieming,Li, Ning,et al. Ag3PO4-anchored La2Ti2O7 nanorod as a Z-Scheme heterostructure composite with boosted photogenerated carrier separation and enhanced photocatalytic performance under natural sunlight[J]. ENVIRONMENTAL POLLUTION,2023,323:121322.
APA Chen, Xiaojuan.,Chen, Jieming.,Li, Ning.,Li, Jiesen.,He, Juhua.,...&Zhu, Runliang.(2023).Ag3PO4-anchored La2Ti2O7 nanorod as a Z-Scheme heterostructure composite with boosted photogenerated carrier separation and enhanced photocatalytic performance under natural sunlight.ENVIRONMENTAL POLLUTION,323,121322.
MLA Chen, Xiaojuan,et al."Ag3PO4-anchored La2Ti2O7 nanorod as a Z-Scheme heterostructure composite with boosted photogenerated carrier separation and enhanced photocatalytic performance under natural sunlight".ENVIRONMENTAL POLLUTION 323(2023):121322.

入库方式： OAI收割

来源：广州地球化学研究所

浏览0
下载0
收藏0
其他版本

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。