Hydrothermal synthesis, characterization and photocatalytic properties of Zn2SnO4 nanocrystal

Lou, Xiangdong; Jia, Xiaohua; Xu, Jiaqiang; Liu, Shuangzhi; Gao, Qiaohuan

doi:10.1016/j.msea.2006.06.010

Cited by 79 publications

(52 citation statements)

References 17 publications

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“…The rate constant for the photodegradation of Rh6G in the absence of a catalyst and in the presence of Zn 2 SnO 4 and ZnSn(OH) 6 products prepared at pH 8, 9, 10 and 11 were 2.0 × 10 , respectively. Therefore, the photocatalytic activity of Zn 2 SnO 4 is better than that of ZnSn(OH) 6 . The BET surface areas of Zn 2 SnO 4 and ZnSn(OH) 6 prepared at pH of 8, 9, 10 and 11 were 82.5, 94.8, 15.4, and 13.5 m .…”

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confidence: 96%

“…The decomposition reactions of benzene and water-soluble dyes using Zn 2 SnO 4 as a photocatalyst were reported. [4][5][6][7] Zn 2 SnO 4 is normally synthesized by solid state reactions with ZnO and SnO 2 at high temperatures. 8,9 The high temperature calcination of coprecipitated Zn and Sn hydroxides with the alkali from an aqueous solution were also used to prepare Zn 2 SnO 4 .…”

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confidence: 99%

“…However, ZnSn(OH) 6 coexisted with Zn 2 SnO 4 as minor peaks in the XRD patterns. When the pH was increased further to 11, the product consisted of a single Pn3m cubic crystal system of ZnSn(OH) 6 (JCPDS 20-1455, a = 0.7800 nm). Therefore, Zn 2 SnO 4 is formed below the pH 10, and ZnSn(OH) 6 is formed above the pH 10.…”

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confidence: 99%

“…At pH 8 and 9, aggregated forms of Zn 2 SnO 4 nanoparticles were observed, as shown in Figures 2(a) and 2(b). However, micronsized, cubic-shaped ZnSn(OH) 6 products were observed at pH 11, as shown in Figure 2( To examine the photocatalytic activity of Zn 2 SnO 4 and ZnSn(OH) 6 products obtained by hydrothermal methods, Rh6G was chosen as the pollutant model molecule. The photodegradation of Rh6G under UV lamp irradiation after the addition of Zn 2 SnO 4 and ZnSn(OH) 6 as photocatalysts was evaluated.…”

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confidence: 99%

“…The concentrations of Rh6G species were calculated simply from the maximum absorption intensities at 527 nm using the Beer-Lambert law. The photodegradation 6 . The Rh6G solution was almost decolorized after irradiation for 90 min when Zn 2 SnO 4 prepared at pH 9 was used.…”

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Photocatalytic Activities of Hydrothermally Synthesized Zn₂SnO₄

Kim¹,

Park²,

Huh³

2011

Bulletin of the Korean Chemical Society

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Photocatalytic Activities of Hydrothermally Synthesized Zn₂SnO₄

Kim¹,

Park²,

Huh³

2011

Bulletin of the Korean Chemical Society

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Hydrothermal growth of Zn₂SnO₄:Eu,Ca for red emission

Kuttykrishnan

Bushiri

2018

Luminescence

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Zinc stannate (Zn SnO ) and Zn SnO codoped with Eu and Ca (ZTO:Eu,Ca) were synthesized by hydrothermal method and characterized with X-ray diffraction (XRD), energy-dispersive X-ray analysis (EDAX), Raman spectrometer, field emission scanning electron microscopy (FESEM), ultraviolet-visible (UV-vis) and photoluminescence (PL) spectrophotometers. PL analysis of Zn SnO gives broad defect induced emission in the region 500-750 nm. The crystal structure of Zn SnO was retained even with a nominal doping of Eu, Ca and its combination in the Zn SnO . The Eu ions were found to occupy the non-centrosymmetric sites of the Zn SnO and gave emissions at 592, 615 and 702 nm. Zn SnO :Eu,Ca showed red emission at 615 nm attributed to the electronic transition from the excited state D → F of the 4f configuration of Eu . Nominal codoping of Eu and Ca ions promoted the quenching of orange emission from Eu in Zn SnO :Eu,Ca.

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Ab initio prediction of optoelectronic and thermoelectric behavior of Eu‐doped Zn₂SnO₄ using GGA + U functional: A study for optoelectronic devices

Aamer,

Azam,

Javed

et al. 2023

Int J of Quantum Chemistry

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To understand the electronic structure and optical properties of Zn2SnO4 and Eu‐doped compounds, we utilized the full potential linearized augmented plane wave method with the generalized gradient approximation (GGA). To analyze the electronic, optical, and thermoelectric properties of Eu‐doped Zn2SnO4, we implemented the GGA‐PBE + U method within density functional theory. We obtained the density of states (total and partial DOS) and optical constants (absorption coefficient, refractive index, reflectivity, and optical conductivity). Our findings revealed that the near‐Fermi valence bands (VB) of the band structure are primarily due to the O and Eu atoms. The electronic properties, including the band structure and TDOS/PDOS, particularly the hybridization among Eu s and f along with Zn s and d states, demonstrated that the pristine material's VB and conduction bands are located at the G point, indicating a direct band gap. However, the Eu‐doped material exhibits intermetallic behavior. We used the electronic structures to analyze the dielectric (real and imaginary parts) function and related properties, such as absorption coefficient, reflectivity, energy loss function, and refractive index. Consequently, in the low‐energy zone, the refractive index and the dielectric constant increased. With the presence of impurity bands, the width of the band gap decreased significantly, and the absorption spectrum shifted toward the red region, indicating a robust response in the infrared band, with high utilization efficiency. Moreover, the Zn2SnO4‐doped samples showed the best improvement in optical properties in the low‐energy region.

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Hydrothermal synthesis, characterization and photocatalytic properties of Zn2SnO4 nanocrystal

Cited by 79 publications

References 17 publications

Photocatalytic Activities of Hydrothermally Synthesized Zn₂SnO₄

Photocatalytic Activities of Hydrothermally Synthesized Zn₂SnO₄

Hydrothermal growth of Zn₂SnO₄:Eu,Ca for red emission

Ab initio prediction of optoelectronic and thermoelectric behavior of Eu‐doped Zn₂SnO₄ using GGA + U functional: A study for optoelectronic devices

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Hydrothermal synthesis, characterization and photocatalytic properties of Zn2SnO4 nanocrystal

Cited by 79 publications

References 17 publications

Photocatalytic Activities of Hydrothermally Synthesized Zn2SnO4

Photocatalytic Activities of Hydrothermally Synthesized Zn2SnO4

Hydrothermal growth of Zn2SnO4:Eu,Ca for red emission

Ab initio prediction of optoelectronic and thermoelectric behavior of Eu‐doped Zn2SnO4 using GGA + U functional: A study for optoelectronic devices

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Product

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Photocatalytic Activities of Hydrothermally Synthesized Zn₂SnO₄

Photocatalytic Activities of Hydrothermally Synthesized Zn₂SnO₄

Hydrothermal growth of Zn₂SnO₄:Eu,Ca for red emission

Ab initio prediction of optoelectronic and thermoelectric behavior of Eu‐doped Zn₂SnO₄ using GGA + U functional: A study for optoelectronic devices