Synthesis of different morphologies of ZnO via hydrothermal method for enhanced photocatalytic degradation of wastewater

Author(s):  
Minggao Zhang ◽  
Guangqing Gai ◽  
Fei Bi ◽  
Liyan Wang
2021 ◽  
Author(s):  
Lijie Wang ◽  
Qiang Li ◽  
Xiaoxiao Lu ◽  
Zhenfei Tian ◽  
Shiwu He ◽  
...  

A series of novel three-dimensional (3D) CoTiO3/BiOBr (CTBB) hierarchical heterostructures were prepared via a simple hydrothermal method. In comparison with pure CoTiO3 and BiOBr, all the CTBB nanocomposites display enhanced...


2017 ◽  
Vol 41 (15) ◽  
pp. 7674-7680 ◽  
Author(s):  
Lei Liu ◽  
Zhengbin Huang ◽  
Yitian Peng ◽  
Peng Huang

Coral-like MoS2 obtained by hydrothermal method can serve as both lubricating additive and photo-catalyst at different working stages in the full life cycle of LP, which exhibits great potential in developing environment-friendly lubricating systems.


2019 ◽  
Vol 43 (47) ◽  
pp. 18860-18867 ◽  
Author(s):  
Xu Tang ◽  
Yang Yu ◽  
Changchang Ma ◽  
Guosheng Zhou ◽  
Xinlin Liu ◽  
...  

A novel biomass carbon quantum dots@Bi2WO6 photocatalyst was prepared by a dialysis-assisted hydrothermal method for the photocatalytic degradation of antibiotics.


Author(s):  
Irem Firtina Ertis ◽  
Ismail Boz

Abstract Sb-CdS catalysts with good crystalline structure were prepared by chemical precipitation and hydrothermal method. The results showed that hydrothermal treatment is an effective method to prepare CdS based catalysts of hexagonal structure. Single Sb2S3 catalyst has spherical and Sb doped CdS catalysts have hexagonal structure. Sb doped CdS which is prepared by Na2S with chemical precipitation, has cubic structure. The band gap energies of Sb doped CdS photocatalysts were estimated using UV-visible reflectance spectra to be about the range of 2.35–2.57 eV. In particular, the photoluminescence (PL) spectra show enhancing emission peaks that strongly decrease with a doping Sb where the catalyst was prepared with ethylenediamine (EDA) and thioacetamide (TAA), has shown the lowest luminescence intensity. Photocatalytic degradation of methylene blue was carried out using Sb doped and Sb2S3-CdS binary catalysts under a 400 W medium-pressure mercury lamp of visible light irradiation (λ>420 nm). Higher photocatalytic degradation was achieved by adding Sb to CdS catalyst with using hydrothermal method and EDA as coordinating agent compare with the other catalysts. In this case the photocatalytic degradation of the Sb-CdS-EDA-TAA photocatalyst after 4 h irradiation time was about 84 %.


2016 ◽  
Vol 11 (9) ◽  
pp. 539-544 ◽  
Author(s):  
Peng Liang ◽  
Aifang Wei ◽  
Yaqing Zhang ◽  
Jiafeng Wu ◽  
Xiwang Zhang ◽  
...  

RSC Advances ◽  
2015 ◽  
Vol 5 (66) ◽  
pp. 53299-53305 ◽  
Author(s):  
Lili Yang ◽  
Bin Wang ◽  
Sufeng Lai ◽  
Chongwen Jiang ◽  
Hong Zhong

F–N/Ti-SBA-15 and N/Ti-SBA-15 were prepared by hydrothermal method using ammonium fluoride and triethylamine as nonmetal dopants, respectively.


2021 ◽  
Author(s):  
Liang Huang ◽  
Xianghui Jin ◽  
xumei Tao ◽  
Chen Yang ◽  
Yuanyuan Han

Abstract In this paper, NiAlCe hydrotalcite was prepared by co-precipitation method and hydrothermal method in different volume fractions of ethylene glycol-water mixed solvent and polyethylene glycol-water mixed solvent, and the effect of photocatalytic degradation of methyl orange under ultraviolet light was studied. Samples were characterized by XRD, XPS, UV-Vis and FT-IR in order to find the reasons for the improvement of photocatalytic performance under co-solvent system. NiAlCe-10%EG(h) and NiAlCe-15%PEG(h) had smaller particle size, which was beneficial to photocatalytic performance. The degradation rate of methyl orange could reach up to 100% in 42 min using NiAlCe hydrotalcite with 10% volume fraction of EG and in 48 min using NiAlCe hydrotalcite with 15% volume fraction of PEG. The photocatalytic effect of NiAlCe hydrotalcite samples prepared by hydrothermal method were better than that prepared by co-precipitation method. This provided a new type of catalyst for the degradation of dyes: preparing with ethylene glycol-water mixed solvent.


2019 ◽  
Vol 43 (38) ◽  
pp. 15335-15341 ◽  
Author(s):  
Haidong Luo ◽  
Binxia Zhao ◽  
Mengran Zhang ◽  
Yuling Liu ◽  
Ruixuan Han ◽  
...  

Novel Co-doped Bi2WO6 nanosheets on the surfaces of an Fe3O4 hybrid material were synthesized by a facile hydrothermal method.


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