Correlation between types of defects/vacancies of Bi2S3 nanostructures and their transient photocurrent

Li, Mingyang; Wang, Luqing; Dong, Pei; Dong, Liangliang; Wang, Xifan; Joyner, Jarin; Wan, Xiangjian; Yakobson, Boris I.; Vajtai, Róbert; Ajayan, Pulickel M.; Spanos, Pol D.

doi:10.1007/s12274-017-1440-7

Cited by 8 publications

(1 citation statement)

References 46 publications

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“…It indicated the bias of orientations of these crystallographic planes [29]. The 211 facets were the most dominant in Bi 2 S 3, suggesting the formation of microsphere 5 Journal of Nanomaterials particles [30]. This result shows that the amount of La could harm the photocatalytic activities of La/Bi 2 S 3 .…”

Section: Photocatalytic Degradationmentioning

confidence: 84%

Study of the Potential of La/Bi₂S₃ Catalyst for Photodegradation of Acid Yellow 42 Dye under Visible Light

Fenelon

Ni’am

Wang

et al. 2022

Journal of Nanomaterials

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The new catalyst (La/Bi2S3) applies for the photodegradation of Acid Yellow 42 (AY42) dye under visible light in this study. The La/Bi2S3 material is the motivating catalyst due to the excellent ability of Lanthanum (La) to increase the adsorption capacity and electron-hole separation of Bi2S3 for enhancing the degradation of AY42. The characterization analysis of the prepared material confirms a successful synthesis using the hydrothermal method. The efficiency of photodegradation AY42 using La/Bi2S3 is higher than pure Bi2S3. La on Bi2S3 (doped at 3%), which is devised on adsorption (40.24%) and photodegradation (51.86%), has the best degradation efficiency (92.1%). The trapping experiment and the analysis of electron spin resonance (ESR) spectra explain that the hydroxyl radical is the most active species in this photocatalytic process due to the total degradation efficiency decreasing from 92.1% to 57.16% by the scavenger using isopropyl alcohol (IPA). The hole (h+) shows its importance in the photodegradation of AY42 by detecting that OH- is the intermediate species. The new material (La/Bi2S3) also shows excellent photostability in the reusability test. Finally, the result confirms that La is a suitable doping metal for Bi2S3 and is interesting for practical application under visible light. The new catalyst (La/Bi2S3) applies for the photodegradation of Acid Yellow 42 (AY42) dye under visible light in this study. The La/Bi2S3 material is the motivating catalyst due to the excellent ability of Lanthanum (La) to increase the adsorption capacity and electron-hole separation of Bi2S3 for enhancing the degradation of AY42. The characterization analysis of the prepared material confirms a successful synthesis using the hydrothermal method. The photodegradation efficiency of AY42 using La/Bi2S3is higher than pure Bi2S3. The doping of 3% weight of La on Bi2S3 shows the optimum degradation efficiency of 92.1%, devised on adsorption (40.24%) and photodegradation (51.86%). The pure Bi2S3 (46.7%) contains 17.1% of adsorption and 29.6% of photodegradation. The trapping experiment and the analysis of electron spin resonance (ESR) spectra explain that the hydroxyl radical is the most active species in this photocatalytic process due to the total degradation efficiency decreasing from 92.1% to 57.16% by the scavenger using isopropyl alcohol (IPA). The hole (h+) shows its importance in the photodegradation of AY42 by detecting that OH- is the intermediate species. The new material (La/Bi2S3) also shows excellent photostability in the reusability test. Finally, the result confirms that La is a suitable doping metal for Bi2S3 and is interesting for practical application under visible light.

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Section: Photocatalytic Degradationmentioning

confidence: 84%

Study of the Potential of La/Bi₂S₃ Catalyst for Photodegradation of Acid Yellow 42 Dye under Visible Light

Fenelon

Ni’am

Wang

et al. 2022

Journal of Nanomaterials

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Vacancies and edges: Enhancing supercapacitive performance metrics of electrode materials

Singal

Joshi

Tomar

et al. 2020

Journal of Energy Storage

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Visible-range and self-powered bilayer p-Si/n-Bi2S3 heterojunction photodetector: The effect of Au buffer layer on the optoelectronics performance

Zamani

Jamali‐Sheini

Cheraghizade

2022

Journal of Alloys and Compounds

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Correlation between types of defects/vacancies of Bi2S3 nanostructures and their transient photocurrent

Cited by 8 publications

References 46 publications

Study of the Potential of La/Bi₂S₃ Catalyst for Photodegradation of Acid Yellow 42 Dye under Visible Light

Study of the Potential of La/Bi₂S₃ Catalyst for Photodegradation of Acid Yellow 42 Dye under Visible Light

Vacancies and edges: Enhancing supercapacitive performance metrics of electrode materials

Visible-range and self-powered bilayer p-Si/n-Bi2S3 heterojunction photodetector: The effect of Au buffer layer on the optoelectronics performance

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Correlation between types of defects/vacancies of Bi2S3 nanostructures and their transient photocurrent

Cited by 8 publications

References 46 publications

Study of the Potential of La/Bi2S3 Catalyst for Photodegradation of Acid Yellow 42 Dye under Visible Light

Study of the Potential of La/Bi2S3 Catalyst for Photodegradation of Acid Yellow 42 Dye under Visible Light

Vacancies and edges: Enhancing supercapacitive performance metrics of electrode materials

Visible-range and self-powered bilayer p-Si/n-Bi2S3 heterojunction photodetector: The effect of Au buffer layer on the optoelectronics performance

Contact Info

Product

Resources

About

Study of the Potential of La/Bi₂S₃ Catalyst for Photodegradation of Acid Yellow 42 Dye under Visible Light

Study of the Potential of La/Bi₂S₃ Catalyst for Photodegradation of Acid Yellow 42 Dye under Visible Light