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Promoting photocatalytic performance of Bi2WO6 nanosheet incorporated with a 3D-Succulent plant-like SrMoO4 modified by Ag under simulated sunlight | |
Gu, Yufen1,2![]() | |
2021-11 | |
发表期刊 | OPTICAL MATERIALS
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ISSN | 0925-3467 |
卷号 | 121 |
摘要 | In order to improve the photocatalytic performance of Bi2WO6, the self-assembled succulent plant-like SrMoO4 is successfully incorporated with Bi2WO6 nanosheet through co-precipitation method. Ag nanoparticles are introduced to Bi2WO6/SrMoO4 (SMO/BWO) composite to form a ternary 5 wt%Ag/4.3 wt%SMO/BWO heterojunction photocatalyst, and further promote photocatalytic activities. SEM images of the as-prepared samples demonstrate that part of the BWO nanosheet with Ag nanoparticles are adhered and embedded onto the 3D-succulent plant-like SMO. The obtained transient photocurrent, photoluminescence spectroscopy (PL) and electrochemical impedance spectroscopy (EIS) show that the separation efficiency of photo-generated electron (e- ) and hole (h+) pair of the ternary photocatalyst is the highest. As a result, the 5 wt%Ag/4.3 wt%SMO/BWO heterojunction photocatalyst has highly better off photocatalytic performance under simulated sunlight for methylene blue (MB). According to the obtained apparent reaction rate constants, the photocatalytic performance values are determined to be 4.94 and 8.78 times than of the bare BWO and SMO, respectively. Furthermore, a Z-scheme electron transfer mechanism is proposed to elucidate the enhanced photodegradation performances of the 5 wt% Ag/4.3 wt%SMO/BWO heterojunction photocatalysts, as well consider the effect of local surface ion resonance of Ag nanoparticles. |
关键词 | Bi2WO6 nanosheet SrMoO4 Bi2WO6 heterojunctions Ag SrMoO4 Bi2WO6 heterojunctions Photodegradation performances Succulent plant-like SrMoO4 |
DOI | 10.1016/j.optmat.2021.111473 |
收录类别 | EI ; SCOPUS ; SCIE |
语种 | 英语 |
WOS研究方向 | Materials Science ; Optics |
WOS类目 | Materials Science, Multidisciplinary ; Optics |
WOS记录号 | WOS:000697374200003 |
出版者 | ELSEVIER |
EI入藏号 | 20213510832168 |
EI主题词 | Nanosheets |
EI分类号 | 713.2 Oscillators - 714.2 Semiconductor Devices and Integrated Circuits - 741.3 Optical Devices and Systems - 761 Nanotechnology - 801 Chemistry - 801.4 Physical Chemistry - 802.2 Chemical Reactions - 802.3 Chemical Operations - 804.1 Organic Compounds - 933 Solid State Physics - 941.4 Optical Variables Measurements |
来源库 | WOS |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | https://ir.lut.edu.cn/handle/2XXMBERH/148643 |
专题 | 材料科学与工程学院 |
通讯作者 | Gu, Yufen |
作者单位 | 1.Lanzhou Univ Technol, State Key Lab Adv Proc & Reuse Nonferrous Met, Lanzhou 730050, Peoples R China; 2.Lanzhou Univ Technol, Key Lab Nonferrous Met Alloy & Proc, Minist Educ, Lanzhou 730050, Peoples R China |
第一作者单位 | 兰州理工大学 |
通讯作者单位 | 兰州理工大学 |
第一作者的第一单位 | 兰州理工大学 |
推荐引用方式 GB/T 7714 | Gu, Yufen,Guo, Bobo. Promoting photocatalytic performance of Bi2WO6 nanosheet incorporated with a 3D-Succulent plant-like SrMoO4 modified by Ag under simulated sunlight[J]. OPTICAL MATERIALS,2021,121. |
APA | Gu, Yufen,&Guo, Bobo.(2021).Promoting photocatalytic performance of Bi2WO6 nanosheet incorporated with a 3D-Succulent plant-like SrMoO4 modified by Ag under simulated sunlight.OPTICAL MATERIALS,121. |
MLA | Gu, Yufen,et al."Promoting photocatalytic performance of Bi2WO6 nanosheet incorporated with a 3D-Succulent plant-like SrMoO4 modified by Ag under simulated sunlight".OPTICAL MATERIALS 121(2021). |
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