Zinc vanadate nanorods and their visible light photocatalytic activity

Pei, Lizhai; Lin, Nan; Tian, Wei; Liu, H.D.; Yu, Hang

doi:10.1016/j.jallcom.2015.01.115

Cited by 58 publications

(9 citation statements)

References 37 publications

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“…SDS acts as a structure directing agent that controls the surface free energy. 22 Time dependent experiment has been carried out to explain the nanoplateletes. Fig.…”

Section: Resultsmentioning

confidence: 99%

Synthesis of Zn₃V₂O₈ nanoplatelets for lithium-ion battery and supercapacitor applications

2015

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Zn3V2O8 nanoplatelets were successfully synthesized using a hydrothermal method. Formation of the Zn3V2O8 nanoplatelets was explained through splitting, exfoliation and self-aggregation mechanisms. FESEM revealed nanoplatelet morphology with thickness of 27.9 nm. HRTEM imaging confirmed the crystalline nature of the Zn3V2O8 nanoplatelets, and the SAED pattern clearly indicated the prepared sample to be Zn3V2O8. The prepared Zn3V2O8 nanoplatelets were further studied for their potential application in Li-ion batteries and supercapacitors. The discharge capacity of the second cycle was 558 mA h g -1 at 100 mA g -1 . The Zn3V2O8 nanoplatelets exhibited a maximum specific capacitance of 302 F g -1 at a scan rate of 5 mV s -1 . Furthermore, the Zn3V2O8 electrode retained about 98 % of its initial specific capacitance after 2000 cycles. The described Zn3V2O8 nanoplatelets were found to be a highly suitable electrode material for energy storage applications. Fig.4 (a-c) FESEM images of Zn 3 V 2 O 8 nanoplatelets at different magnifications, (d) AFM image of Zn 3 V 2 O 8 nanoplatelets, (e, f and g) HRTEM images of Zn 3 V 2 O 8 nanoplatelets, and (h) SAED pattern of Zn 3 V 2 O 8 nanoplatelets.

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“…SDS acts as a structure directing agent that controls the surface free energy. 22 Time dependent experiment has been carried out to explain the nanoplateletes. Fig.…”

Section: Resultsmentioning

confidence: 99%

Synthesis of Zn₃V₂O₈ nanoplatelets for lithium-ion battery and supercapacitor applications

2015

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“…Recently, there are few reports of zinc vanadates (ZnV x O y ) nanostructures explored for its photocatalytic pollutant degradation. Pie et al [18] synthesized Zn 3 V 2 O 8 and Zn 2 V 2 O 7 micro/nanorods for the degradation of methylene blue dye. Similarly, Zn 3 (VO 4 ) 2 was applied for photocatalytic removal of congo red and crystal violet dyes by Sajid and the team [19].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of polymeric g-C3N4 contained nonhierarchical ZnV2O6 composite for energy-efficient LED assisted photocatalytic mineralization of organic pollutant

Yashas

Shivaraju

Yadav

et al. 2020

J Mater Sci: Mater Electron

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The present work demonstrates the unique construction of polymeric graphitic carbon nitride (g-C 3 N 4) contained nonhierarchical zinc-vanadium oxide (ZnV 2 O 6) composite for light-emitting diode (LED) aided photocatalytic degradation of an organic pollutant, tetracycline hydrochloride (TC). The g-C 3 N 4 was prepared by pyrolysis of urea whereas ZnV 2 O 6 and 1:1 (ZnV 2 O 6 /g-C 3 N 4) composite were prepared by hydrothermal process. The as-synthesized catalysts were subjected to scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), dynamic light scattering (DLS) analysis, X-ray diffraction analysis, Fourier-transform infrared (FTIR) analysis, UV-Visible spectroscopy, and photoluminescence (PL) to unravel the physical, chemical, and photo-intrinsic characteristics. The 1:1 (ZnV 2 O 6 /g-C 3 N 4) composite exhibited the maximum TC degradation (87.2%) over the individual components. The systematic investigations revealed that 20 mg of 1:1 (ZnV 2 O 6 /g-C 3 N 4) catalyst was optimum to degrade 20 mg/L of TC with 9 W of LED irradiation up to 125 min. The 1:1 composite retained its catalytic efficiency for three consecutive runs that mark its on-site application. The as-proposed system for TC degradation is exclusive for the fabrication of electronically compatible composite that results in delayed recombination of photo-charges and promotes rapid electron migration within the composite, thereby accelerating the photodegradation.

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“…[ 8–13 ] Under the light irradiation, organic dyes can be decomposed into carbon dioxide, water, and other inorganic compounds with the assistance of the photocatalysts. [ 14–18 ] However, the narrow excitation wavelength of photocatalysts and low separation and transfer efficiency of the photoinduced electron–hole (e − /h + ) pairs often restrain the activity of the photocatalysts. Up to now, many methods, such as element doping, surface modification, facet regulation, and heterojunction construction have been employed to broaden the photoresponse region and decrease the recombination of the photoexcited charges.…”

Section: Introductionmentioning

confidence: 99%

Constructing Z‐Scheme Bi₂O₃/In₂O₃ Heterojunction for Efficient Photocatalytic Degradation of Rhodamine B

Chen

Wang

Zhang

et al. 2020

Crystal Research and Technology

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A Bi2O3/In2O3 heterojunction is successfully fabricated via a facile hydrothermal method using sodium bismuthate and indium nitrate as the source materials. The crystal structure, composition, micromorphology, and optical property of the Bi2O3/In2O3 heterojunction are analyzed by X‐ray diffraction, X‐ray photoelectron spectroscopy, Fourier transform infrared spectrum, scanning electron microscopy, transmission electron microscopy, and solid ultraviolet‐visible (UV‐vis) diffuse reflectance spectra. The Bi2O3/In2O3 heterojunction exhibits a remarkable photocatalytic degradation capacity for Rhodamine B, which is better than that of pure Bi2O3 and In2O3. The photogenerated charges separation and transfer process of the Bi2O3/In2O3 heterojunction follows a direct Z‐scheme mechanism under UV–vis light irradiation. The trapping experiment indicates that oxidative radicals including •OH, h+, and •O2− play crucial roles in the photodegradation process. The outstanding photodegradation capacity is ascribed to spatially separated charge carriers, fast‐charge transportation characteristic, and special bandgap structure of the Bi2O3/In2O3 heterojunction. The introduction of H+ and OH− ions into the reaction system promotes the formation of •OH and •O2− radicals, significantly enhancing the photodegradation rate of RhB. This study presents a new insight into the construction of the Z‐scheme Bi2O3/In2O3 heterojunction photocatalyst with potential application in wastewater treatment.

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Zinc vanadate nanorods and their visible light photocatalytic activity

Cited by 58 publications

References 37 publications

Synthesis of Zn₃V₂O₈ nanoplatelets for lithium-ion battery and supercapacitor applications

Synthesis of Zn₃V₂O₈ nanoplatelets for lithium-ion battery and supercapacitor applications

Evaluation of polymeric g-C3N4 contained nonhierarchical ZnV2O6 composite for energy-efficient LED assisted photocatalytic mineralization of organic pollutant

Constructing Z‐Scheme Bi₂O₃/In₂O₃ Heterojunction for Efficient Photocatalytic Degradation of Rhodamine B

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Zinc vanadate nanorods and their visible light photocatalytic activity

Cited by 58 publications

References 37 publications

Synthesis of Zn3V2O8 nanoplatelets for lithium-ion battery and supercapacitor applications

Synthesis of Zn3V2O8 nanoplatelets for lithium-ion battery and supercapacitor applications

Evaluation of polymeric g-C3N4 contained nonhierarchical ZnV2O6 composite for energy-efficient LED assisted photocatalytic mineralization of organic pollutant

Constructing Z‐Scheme Bi2O3/In2O3 Heterojunction for Efficient Photocatalytic Degradation of Rhodamine B

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Product

Resources

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Synthesis of Zn₃V₂O₈ nanoplatelets for lithium-ion battery and supercapacitor applications

Synthesis of Zn₃V₂O₈ nanoplatelets for lithium-ion battery and supercapacitor applications

Constructing Z‐Scheme Bi₂O₃/In₂O₃ Heterojunction for Efficient Photocatalytic Degradation of Rhodamine B