Hydrothermal methods

In this study, we report on the hydrothermal synthesis of ZnO nanorods and the change in photocatalytic properties with different hydrothermal temperatures in the decomposition of Methylene blue (MB) and Rhodamine B (RhB) under visible light.

11p viengfa 28-10-2024 2 1   Download

In this paper, ZnO/CuO/Ag ternary composites were successfully synthesized by hydrothermal method using Zn(NO3)2.6H2O, Cu(NO3)2.3H2O and AgNO3. The composite samples were characterized using X-Ray diffraction (XRD), Scanning Electron Microscopy (SEM) and Raman spectroscopy.

8p viengfa 28-10-2024 2 0   Download

In this work, ZnFe2O4 nanoparticles were synthesized by hydrothermal method while the hummer method was used to synthesize GO nanosheet. GO/ZnFe2O4 nanocomposites (GO/ZFO) were prepared by mixing GO with ZnFe2O4 in mass ratio of 1:99, respectively.

8p viengfa 28-10-2024 3 1   Download

In the present work, CeO2 with different loading was embedded on reduced graphene oxide (rGO) by a simple one-pot hydrothermal method. The synthesized samples were characterized using XRD, EDX mapping, FESEM, and UV-Vis DRS techniques.

11p vifilm 11-10-2024 3 1   Download

In this study, experimental results on mesoporous zeolite preparation from a common solid waste, the rice husk ash by a top-down and bottom-up approach were reported. In top-down method, the consecutive treatments of zeolite by acid and alkaline in the presence of a cationic surfactant (CTAB) successfully generated mesopores in the zeolite.

6p vikwong 29-09-2024 4 1   Download

In this research, the nanosized Fe2V4O13 complex oxide material was synthesized by the hydrothermal method. Its structure, morphology characterization, and other properties were determined using X-ray, SEM, EDX, and DTA-TG methods.

5p vikwong 29-09-2024 2 1   Download

Zeolite, as chemical essence, is an aluminosilicate mineral synthesized by richsilica source, such as rice husk ash (RHA). This study focuses on the synthesis of zeolite NaP1 under a facial hydrothermal method using the silica source utilized from RHA without any-pretreatment steps.

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In this study, reduced graphene oxide (rGO) incorporated on NdFeO3 (NFO/rGO) nanocomposite was successfully synthesized by using a facile hydrothermal method for photo-Fenton degradation of phenol in oily wastewater.

6p vikwong 29-09-2024 1 1   Download

In this study, γ-MnOOH nanorods synthesized by polysaccharide- assisted hydrothermal method as an efficient electrocatalyst for urea oxidation. The γMnOOH structure and morphology are confirmed by X-ray diffraction and scanning electron microscopy (SEM).

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The results showed that GdFeO3 photocatalyst had a good performance under visible light irradiation. The remarkable enhancement photo-Fenton catalytic activity of GdFeO3 material could be attributed to its small particle size and narrow band gap energy.

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The results show that the sulfur source plays a crucial role in determining the product morphology. Photocatalysis experiments show Bi2S3 nanowires exhibit the highest photocatalytic reduction of Cr(VI) when exposed to visible light irradiation.

5p vikwong 29-09-2024 5 1   Download

The results showed that the pseudo-second-kinetic model better described the adsorption kinetics of tartrazine on MoS2 and film diffusion was the rate-limiting step. In addition, the adsorption capacity of MoS2 was also performed with various organic dyes such as nile blue, janus green B, and congo red.

7p vikwong 29-09-2024 4 1   Download

Novel g-C3N4/InVO4 materials were synthesized by a fabricated via hydrothermal and heating methods. The physicochemical properties of the photocatalysts were investigated by X-ray diffraction (XRD), infrared spectroscopy (IR), Photoluminescence spectroscopy (PL), UV-Vis diffuse reflectance spectroscopy (UV-Vis-DRS) and Energy dispersive X-ray spectroscopy (EDX).

5p vikwong 29-09-2024 5 1   Download

In this research, Ag-Ag3PO4/Cellulose aerogel composite was synthesized using hydrothermal reduction and freeze-drying methods. By combining the photocatalytic activity of the semiconductor AgAg3PO4 and cellulose aerogel synthesized from agricultural waste sources, the synthesized Ag-Ag3PO4/Cellulose aerogel composite has overcome the disadvantages of pure Ag3PO4 and significantly improved the photocatalytic activity.

12p vikwong 29-09-2024 1 0   Download

The Calcium Silicate Hydrate (CSH) family mineral such as Xonotlite (X), Tobermorite (T) was synthesized by hydrothermal method using rice hush and CaO as the Si and Ca supplier. In this research article, our research group researched the effect of time-dependent removal of Chrome (III) and CSH mineral synthesized by hydrothermal reaction.

5p vikwong 29-09-2024 1 0   Download

In this study, ZnO was synthesized by the simple hydrothermal method. The physicochemical properties of the materials were characterized by SEM, XRD, N adsorption/desorption isotherm methods.

6p vikwong 29-09-2024 2 1   Download

Titanium oxides nanotubes (TNTs) were prepared by hydrothermal method and used as nano-support for nickel nanoparticles. Indeed, nickel nanoparticles supported TNTs (Ni-TNTs) were in situ synthesized from nickel salt and TNTs by chemical reduction method using sodium borohydride (NaBH4) as reducing agent.

5p vikwong 29-09-2024 4 1   Download

Non-metallic C, N, and S doped TiO2 materials were prepared using the hydrothermal method from titanyl sulfate solution with different doped precursors. The influence of non-metallic elements on crystal structure, morphology, surface area, bonding state, and light absorption ability of materials was studied through XRD, SEM, BET spectra, and UVis - DRS.

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The high durability, re-collectable and low-cost materials with tertiary (reduced graphene-TiO2-Fe3O4, denoted as GrTiFe) components for degradation of toxic organic compounds have been prepared from different precursors by coprecipitation and hydrothermal methods.

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Zeolite Socony Mobil-5 (ZSM-5) was successfully synthesized by a hydrothermal method from the silicon dioxide (SiO2) precursor prepared fro m rice husk ash. Titanium dioxide (TiO2) nanoparticles were decorated on ZSM-5 substrate by a sol-gel method. ZSM-5/TiO2 materials were characterized by Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), transmission electron microscope (TEM), and Brunauer-Emmett-Teller (BET) surface area analysis.

6p vikwong 29-09-2024 1 1   Download