Diffuse reflectance spectroscopy
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In this study, the B/ZnO materials were simply synthesized via a Sol-gel method. The photocatalytic ability of materials was evaluated by degrading tetracycline hydrochloride (TCH). The characteristics of the ZnO and 3B/ZnO materials were analyzed and evaluated by the Diffuse Reflectance UltravioletVisible (DR/UV-Vis), Scanning Electron Microscope (SEM), Fourier Transform Infrared Spectroscopy (FT-IR), and X-Ray Diffraction (XRD) techniques.
8p vijaychest 16-05-2024 1 0 Download
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The plasmon characterization of AgNS on paper was systematically investigated by the diffuse reflectance spectroscopy. The fabricated paper-based SERS substrates were used to detect melamine in an aqueous solution and to determine the influence of type RAs on the enhancement factor (EF) and signal uniformity of SERS substrates. Among the four types of RAs, the SERS substrates used NaBH4 have the highest SERS signal with the limit of detection of 10-8 M for melamine and the EF = 2.3 × 109 .
9p dianmotminh02 03-05-2024 4 1 Download
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CeO2-SnO2 nanocomposite, a sensing material, was successfully synthesized by a hydrothermal method. The structural, optical and morphological properties of as-prepared CeO2-SnO2 nanocomposites were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), UV-Vis diffuse reflectance spectroscopy and field emission scanning electron microscopy (FESEM).
6p viberbers 09-08-2023 6 3 Download
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CeO2/SnO2 nanocomposites with different dimensional nanostructures were synthesized by a wet chemical method, using various surfactants such as SDS, CTAB and Triton X-100. The prepared CeO2/SnO2 samples were analyzed by X-ray diffraction (XRD), Fourier transform infrared (FTIR), Transmission electron microscopy (TEM), UV-Diffuse Reflectance Spectroscopy (UV-DRS), and Photoluminescence (PL) spectroscopy.
7p viberbers 09-08-2023 4 3 Download
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A green sol-gel method was employed to synthesize TiO2 nanoparticles (NPs) using titanium metal. The synthesized TiO2 NPs underwent comprehensive characterization using techniques including X-ray diffraction (XRD), infrared spectroscopy (IR), transmission electron microscopy (TEM), and UV–Vis diffuse reflectance spectroscopy (UV-Vis DRS) to evaluate their structure, morphology, and spectral properties.
9p viwolverine 07-07-2023 5 2 Download
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In this work, the Prussian blue/g-C3N4 (PB/g-C3N4) composite was synthesized from Prussian blue and g-C3N4 via a simple method. The composite was characterized by using X-ray diffraction, Fourier-transform infrared spectroscopy, and ultraviolet-visible diffuse reflectance spectroscopy.
7p vispiderman 15-06-2023 6 2 Download
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In this work, magnetic framework composite MgFe2O4@UiO-66(Zr)-NH2 was effectively fabricated via hydrothermal approach. The obtained samples were characterized by fieldemission scanning electron microscopy (FESEM), high-resolution transmission electron microscopy (HR-TEM), powder X-ray diffraction (PXRD), diffuse reflectance spectroscopy (DRS), and N2 adsorption– desorption.
7p viargus 03-03-2023 2 2 Download
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In the current research, the sulfonated metal–organic framework loaded on iron oxide nanoparticles, Fe3O4@MIL100(Fe)-OSO3H, has been synthesized and utilized as a Fenton-like catalyst for the decolorization of aqueous solutions containing methyl orange (MO) dye as a model organic pollutant. The morphology and structure of the catalyst were characterized by X-ray powder diffraction, transmission electron microscopy, Brunauer–Emmett–Teller analysis, thermogravimetric analysis, Fourier transform infrared spectroscopy, and UV-Vis diffuse reflectance spectroscopy.
14p langthannam 29-12-2021 19 0 Download
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: In this work, a new method for the growth of large CdS crystals into PdS/ZnS–CdS-type photocatalysts is presented. In order to accomplish this, in the first stage zinc sulphide was synthesised and hydrothermally crystallised. In the second stage, after PdS decoration, the recrystallised zinc sulphide was utilised as sulphur source for the synthesis of PdS/ZnS–CdS-type photocatalysts. The photocatalysts were characterised by X-ray diffraction, transmission electron microscopy, energy dispersive X-ray spectroscopy, and diffuse reflectance spectroscopy.
9p tudichquannguyet 29-11-2021 15 1 Download
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Fe2O3 -V2O5 mixed oxides were synthesized with solid-state dispersion (SSD) and coprecipitation methods. In addition, transition metal oxides such as CuO, NiO, and Co3O4 were successfully loaded on the synthesized catalyst (Fe2O3 -V2O5) using the SSD method. The composite catalysts were inspected for their photocatalytic activities in degrading 2,4-dichlorophenol under UV light enforcement.
14p tudichquannguyet 29-11-2021 7 1 Download
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Potentially active and eco-friendly solid acid catalysts have been synthesized by loading different weight percentages (10, 15, and 50) of nickel oxide on thermally activated Turkish perlite through the deposition-precipitation method. Structural features of prepared catalysts were analyzed using BET surface area analysis, X-ray diffraction, scanning electron microscope (SEM), SEM-EDX, transmission electron microscopy (TEM), Fourier-transform infrared (FT-IR), pyridine adsorbed FT-IR, UV-Vis diffuse reflectance spectroscopy (DRS), and thermogravimetric analysis (TGA) techniques.
18p tudichquannguyet 29-11-2021 9 0 Download
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In the present work, ZnO:Dy3 nanophosphors were synthesized by a simple, cost effective and ecofriendly route using the aqueous extract of Azadirachta Indica leaves. The prepared ZnO:Dy3 nanophosphors were characterized using X-ray diffraction (XRD), Fourier Transformed Infra-Red (FTIR), Raman, UV-VIS diffuse reflectance (UVDR) spectroscopy and Photoluminescence (PL), Transmission Electron Microscopy (TEM), Scanning Electron Microscopy (SEM) and Energy Dispersive X-ray spectroscopy (EDX).
8p larachdumlanat129 14-01-2021 9 1 Download
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Vanadium doped TiO2 nanoparticles were synthesized by solgel and hydrothermal methods. The samples were characterized by X-ray diffraction, transmission electron microscopy, Raman spectroscopy, X-ray photoelectron spectroscopy and UV-vis diffuse reflectance spectroscopy.
10p tamynhan5 10-12-2020 11 1 Download
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Most cancer patients are treated with radiotherapy, but the treatment can also damage the surrounding normal tissue. Acute skin damage from cancer radiotherapy diminishes patients’ quality of life, yet effective biological interventions for this damage are lacking.
16p vilisa271 22-09-2020 24 1 Download
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We report a facile process to fabricate cuprous thin films by thermal oxidation of copper substrates. Structure and phase identification were studied by X-ray diffraction measurement and Raman spectroscopy. Scanning electron microscopy was utilized to study surface morphology of the as-fabricated thin films and optical properties of the samples were investigated by diffused reflectance spectroscopy.
6p tamynhan6 14-09-2020 23 2 Download
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The SnO2/TiO2 nanoparticles have been successfully synthesized via the surfactant-assisted sol-gel method. The results showed that the anatase to rutile phase transformation and the crystallite size increased with increasing the calcination temperature.
13p tamynhan4 06-09-2020 16 1 Download
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Lanthanum orthoferrite (LaFeO3 ) photocatalysts were synthesized by a facile and cost-effective coprecipitation method via the hydrolysis of La (III) and Fe (III). The characteristics of LaFeO3 were investigated through thermogravimetric analysis (TGA), X-ray diffraction (XRD), UV-Vis diffuse reflectance spectroscopy (DRS), vibrating sample magnetometry (VSM), and transmission electron microscopy (TEM).
7p kethamoi7 15-08-2020 16 2 Download
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In the present study, GNPs/Ti-Fe binary oxide composites were synthesized from ilmenite of Central Viet Nam using hydrothermal method. The effect of amount of Fe on the morphology, structure and photocatalytic performance of prepared materials were characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffraction, UV–VIS Diffuse Reflectance spectrophotometer, Energy-dispersive X-ray spectroscopy and BET techniques.
10p abcxyz123_02 03-03-2020 16 1 Download
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The photocatalytic decoloration of an organic dye, ethyl violet (EV), has been studied in the presence of TiO2 and the addition of b-Cyclodextrin (b-CD) with TiO2 (TiO2-b-CD) under UV-A light irradiation. The different operating parameters like initial concentration of dye, illumination time, pH and amount of catalyst used have also been investigated. The photocatalytic decoloration efficiency is more in the TiO2-b-CD/UV-A light system than TiO2/UV-A light system. The mineralization of EV has been confirmed by Chemical Oxygen Demand (COD) measurements.
7p kethamoi1 17-11-2019 16 1 Download
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The phase and crystallinity of the synthesized materials were investigated by powder X-ray diffraction pattern and Raman spectroscopy. Diffuse reflection and photoluminescence spectra were taken to investigate the absorption and emission characteristics of the synthesized samples.
11p viathena2711 10-10-2019 14 1 Download