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Facile synthesis of heterojunctions by hydrothermal decoration of CdS on electrospun BiVO4 nanofibers with boosted photocatalytic activity.

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Title: Facile synthesis of heterojunctions by hydrothermal decoration of CdS on electrospun BiVO4 nanofibers with boosted photocatalytic activity.
Authors: Peng, Long-Gui1 (AUTHOR), Ni, Fu-Rong1 (AUTHOR), Liu, Jun1 (AUTHOR) jun_liu@xust.edu.cn, Sun, Meng1 (AUTHOR), Chang, Meng-Jie1 (AUTHOR), Xi, Tong1 (AUTHOR), Li, Hui-Lu1 (AUTHOR), Du, Hui-Ling1 (AUTHOR), Yang, Jie2 (AUTHOR), Li, Ying1 (AUTHOR)
Source: Journal of Materials Science: Materials in Electronics. Aug2021, Vol. 32 Issue 15, p20891-20902. 12p.
Subjects: Photocatalysts, Hydrothermal synthesis, Nanofibers, Visible spectra, Light absorption, Heterojunctions
Abstract: Bismuth vanadate (BiVO4) is a promising photocatalyst material for photocatalytic degradation of organic pollutions. However, the fast recombination of photo-induced charge and insufficient light absorption often lead to poor photocatalytic performance. Herein, novel fibrous BiVO4/CdS (BVO/CdS) heterostructures are constructed by uniformly modifying caterpillar shaped electrospun BiVO4 nanofibers with controllable quantity of CdS nanoparticles through hydrothermal reaction. The absorption of visible light and separation efficiency of photo-generated charge of BiVO4 are significantly promoted after the decoration of CdS nanoparticles. As a result, the photocatalytic efficiency of the optimized BVO/CdS sample (BVO/CdS-2 stands for the sample synthesized with 0.05 mmol Cd(CH3COO)2 and CH4N2S) is 90.43%, which is 3.3 times as high as that of pure BiVO4 after 180 min irradiation under visible light, respectively. Moreover, the.O2− and.OH are the predominant active species for the degradation process indicated by scavengers added photocatalytic experiments. Due to the simple, low-cost and controllable synthetic process, the BVO/CdS heterojunctions are suitable for practical usage. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Materials Science: Materials in Electronics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Facile synthesis of heterojunctions by hydrothermal decoration of CdS on electrospun BiVO<subscript>4</subscript> nanofibers with boosted photocatalytic activity.
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  Data: <searchLink fieldCode="AR" term="%22Peng%2C+Long-Gui%22">Peng, Long-Gui</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ni%2C+Fu-Rong%22">Ni, Fu-Rong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Jun%22">Liu, Jun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> jun_liu@xust.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Sun%2C+Meng%22">Sun, Meng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chang%2C+Meng-Jie%22">Chang, Meng-Jie</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Xi%2C+Tong%22">Xi, Tong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Hui-Lu%22">Li, Hui-Lu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Du%2C+Hui-Ling%22">Du, Hui-Ling</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yang%2C+Jie%22">Yang, Jie</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Ying%22">Li, Ying</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Materials+Science%3A+Materials+in+Electronics%22">Journal of Materials Science: Materials in Electronics</searchLink>. Aug2021, Vol. 32 Issue 15, p20891-20902. 12p.
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  Data: <searchLink fieldCode="DE" term="%22Photocatalysts%22">Photocatalysts</searchLink><br /><searchLink fieldCode="DE" term="%22Hydrothermal+synthesis%22">Hydrothermal synthesis</searchLink><br /><searchLink fieldCode="DE" term="%22Nanofibers%22">Nanofibers</searchLink><br /><searchLink fieldCode="DE" term="%22Visible+spectra%22">Visible spectra</searchLink><br /><searchLink fieldCode="DE" term="%22Light+absorption%22">Light absorption</searchLink><br /><searchLink fieldCode="DE" term="%22Heterojunctions%22">Heterojunctions</searchLink>
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  Label: Abstract
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  Data: Bismuth vanadate (BiVO4) is a promising photocatalyst material for photocatalytic degradation of organic pollutions. However, the fast recombination of photo-induced charge and insufficient light absorption often lead to poor photocatalytic performance. Herein, novel fibrous BiVO4/CdS (BVO/CdS) heterostructures are constructed by uniformly modifying caterpillar shaped electrospun BiVO4 nanofibers with controllable quantity of CdS nanoparticles through hydrothermal reaction. The absorption of visible light and separation efficiency of photo-generated charge of BiVO4 are significantly promoted after the decoration of CdS nanoparticles. As a result, the photocatalytic efficiency of the optimized BVO/CdS sample (BVO/CdS-2 stands for the sample synthesized with 0.05 mmol Cd(CH3COO)2 and CH4N2S) is 90.43%, which is 3.3 times as high as that of pure BiVO4 after 180 min irradiation under visible light, respectively. Moreover, the.O2− and.OH are the predominant active species for the degradation process indicated by scavengers added photocatalytic experiments. Due to the simple, low-cost and controllable synthetic process, the BVO/CdS heterojunctions are suitable for practical usage. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Journal of Materials Science: Materials in Electronics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s10854-021-06605-y
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      – Code: eng
        Text: English
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        PageCount: 12
        StartPage: 20891
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      – SubjectFull: Photocatalysts
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      – SubjectFull: Hydrothermal synthesis
        Type: general
      – SubjectFull: Nanofibers
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      – SubjectFull: Visible spectra
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      – SubjectFull: Light absorption
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      – SubjectFull: Heterojunctions
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      – TitleFull: Facile synthesis of heterojunctions by hydrothermal decoration of CdS on electrospun BiVO4 nanofibers with boosted photocatalytic activity.
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              M: 08
              Text: Aug2021
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              Y: 2021
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