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81
Green Synthesis of Co3O4/AC Nanocomposite using Bryophyllum pinnatum Leaf Extract for Enhanced Photodegradation of Malachite Green Dye
Published 2025-05-01“…The optical absorption properties were studied, and band gap values were calculated from UV-visible diffuse reflectance spectroscopy (UV-Vis DRS). The green synthesized Co3O4/AC nanocomposite exhibited an excellent degradation ability (96.60%) in comparison with pristine Co3O4 nanoparticles. …”
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82
Environmentally sustainable fabrication of SnO2/fly ash/biochar nanocomposite for enhanced photocatalytic performance for degradation of Ofloxacin and Rose Bengal
Published 2025-04-01“…Transmission electron microscopy, X-ray powder diffraction, Scanning electron microscopy, X-ray photoelectron spectroscopy, photoluminescence spectroscopy and UV-Vis diffuse reflectance spectroscopy were used to characterize the prepared composite’s structure, surface morphology, composition, and surface area. …”
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83
Experimental Study on Bioluminescence Tomography with Multimodality Fusion
Published 2007-01-01“…To verify the influence of a priori information on the nonuniqueness problem of bioluminescence tomography (BLT), the multimodality imaging fusion based BLT experiment is performed by multiview noncontact detection mode, which incorporates the anatomical information obtained by the microCT scanner and the background optical properties based on diffuse reflectance measurements. In the reconstruction procedure, the utilization of adaptive finite element methods (FEMs) and a priori permissible source region refines the reconstructed results and improves numerical robustness and efficiency. …”
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84
Controllable Synthesis of Zn2GeO4 Nanorods for Photocatalytic Reduction of Aqueous Cr(VI) and Oxidation of Organic Pollutants
Published 2015-01-01“…The composition, morphology, and optical properties of as-synthesized Zn2GeO4 samples were characterized by X-ray diffraction, scan electron microscopy, and UV-vis diffuse reflectance spectra. The photocatalytic properties of Zn2GeO4 nanorods were evaluated by the reduction of Cr(VI) and oxidation of organic pollutants in aqueous solution. …”
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85
Graphene-Doped Titanium Niobate for the Hydrogen Production
Published 2025-07-01“…The electrocatalysts were characterized by thermogravimetric analysis (TGA), scanning electron microscopy (SEM), diffuse reflectance and linear voltammetry to analyze the thermal properties, morphology, band gap and electrolytic performance, respectively. …”
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86
Doping of commercial TiO2 nanoparticles (UV100) with urea and investigation of their photocatalytic activity in removing an environmental pollutant (C.I. Acid Red 27) under visible...
Published 2024-12-01“…The characteristics of the doped nanoparticles were analyzed using X-ray diffraction (XRD), diffuse reflectance spectroscopy (DRS), BET, and X-ray photoelectron spectroscopy (XPS). …”
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87
Design, synthesis, and optimization of a novel ternary photocatalyst for degradation of cephalexin antibiotic in aqueous solutions
Published 2025-03-01“…The characteristics of photocatalyst with optimum composite (3 wt% of Fe and 11 wt% Bi2O3) were also investigated by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), diffuse reflectance spectra (DRS) and FTIR. The DRS spectra approved that the adsorption wavelength of Fe-doped TiO2–Bi2O3 is in the visible light range. …”
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88
Synthesis and Characterization of a Novel Sol–Gel-Derived Ni-Doped TiO<sub>2</sub> Photocatalyst for Rapid Visible Light-Driven Mineralization of Paracetamol
Published 2025-03-01“…The catalysts were characterized through Raman spectroscopy, UV–Vis diffuse reflectance spectroscopy (UV–Vis DRS), and surface area measurements. …”
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89
Photo-Enhanced Peroxymonosulfate Activation via Well-Dispersed Cobalt Nanoparticles Encapsulated on Carbon Nitride for 2,8-Dichlorodibenzo-p-dioxin Removal
Published 2025-04-01“…The catalysts prepared were characterized using SEM, XPS, photoluminescence (PL), and UV-Vis diffuse reflectance spectroscopy (UV-Vis DRS). Among them, 2CoCN with an optimal Co content exhibited the highest photocatalytic efficiency, achieving 90.5% degradation of 2,8-DCDD within 160 min under visible light/persulfate oxidation (Vis+PMS+2CoCN system). …”
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90
Dynamically Cyclic Fe2+/Fe3+ Active Sites as Electron and Proton-Feeding Centers Boosting CO2 Photoreduction Powered by Benzyl Alcohol Oxidation
Published 2025-01-01“…In situ Raman and ultraviolet-visible diffuse reflectance spectra revealed that the dynamic Fe2+/Fe3+ redox loop within the Fc unit serves as the actual active site, facilitating the activation of substrate molecules. …”
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91
Enhanced photocatalytic degradation of Rhodamine B using polyaniline-coated XTiO3(X = Co, Ni) nanocomposites
Published 2025-01-01“…At the same time, Fourier transform infrared spectroscopy (FTIR) verified the successful deposition of PANI through characteristic functional group vibrations. Diffuse reflectance spectroscopy (DRS) revealed reduced band gaps of 2.63 eV for 1wt.% PANI@NiTiO3 and 2.46 eV for 1wt.% PANI@CoTiO3, enhancing light absorption across UV and visible ranges. …”
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92
Optimization of photocatalytic degradation of sulfamethoxazole from wastewater using developed N-doped TiO2/biochar
Published 2025-06-01“…Characterization via X-ray diffraction (XRD) showed a predominant anatase phase, Diffuse Reflectance Spectroscopy (DRS) indicated a bandgap of 2.56 eV, and Fourier Transform Infrared Spectroscopy (FTIR) confirmed nitrogen doping. …”
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93
Transition metal doped TiO2: physical properties and photocatalytic behaviour
Published 2001-01-01“…In particular, the TiO2/Cu powders showed to be more photoactive of bare TiO2 for the ethanoic acid oxidation while the TiO2/W samples were more efficient for 4-nitrophenol degradation. A tentative interpretation is provided on the basis of the values of the points of zero charge of the powders and of the rate constants of recombination of photogenerated electrons and holes, determined by femtosecond pump-probe diffuse reflectance spectroscopy (PP-DRS).…”
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94
Normal Heptane Reforming of Promoted Platinum Composite Catalysts: Preparation, Characterization and Catalytic Performance
Published 2020-03-01“…For this purpose, the properties of the catalysts such as X-ray diffraction, X-ray fluorescence, Fourier-transform infrared spectroscopy, Ultraviolet–visible diffuse reflectance spectroscopy, NH3-temperature programmed desorption, H2 chemisorption, N2 adsorption-desorption, and thermal gravimetric analysis were used. …”
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95
Synthesis of TiO2/Pd and TiO2/PdO Hollow Spheres and Their Visible Light Photocatalytic Activity
Published 2020-01-01“…The structure and optical properties of the as-prepared samples were characterized by X-ray diffraction, field emission scanning electron microscopy, transmission electron microscopy, Brunauer-Emmett-Telleranalysis, Barrett-Joyner-Halenda measurement, and UV-Vis diffuse reflectance spectroscopy. The photocatalysis efficiencies of all samples were evaluated through the photocatalytic degradation of rhodamine B under visible light irradiation. …”
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96
Liquid and frozen multilayers of decanol in zeolites as microreactors for direct and oxygen mediated triplet-triplet annihilation of porphyrin
Published 2002-01-01“…The kinetics of triplet state decay and concomitant delayed fluorescence of tetraphenylporphyrin (TPP) incorporated into the multilayers of n-decanol adsorbed on the external surface of zeolites at different temperatures were studied by the laser flash photolysis via monitoring the emission and diffuse-reflectance. In deoxygenated samples, the kinetics of diffusion-controlled bimolecular triplet-triplet annihilation (TTA) has been used to probe the multilayers. …”
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97
Enhanced LED light driven photocatalytic degradation of Cefdinir using bismuth titanate nanoparticles
Published 2025-07-01“…Bismuth titanate nanoparticles were synthesized and characterized using transmission electron microscopy (TEM), X-ray diffraction (XRD), and diffuse reflectance spectroscopy (DRS). Factors affecting the degradation protocol were optimized using a central composite design model, and the degradation efficiency was assessed using a validated RP-HPLC method. …”
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98
Photocatalytic Reduction of CO2 to Methane on Pt/TiO2 Nanosheet Porous Film
Published 2014-01-01“…The Pt/TiO2 nanosheet porous film was characterized by means of X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscope (TEM), and ultraviolet-visible light diffuse reflectance spectra (UV-vis DRS). Moreover, the transient photocurrent-time curves showed that the Pt/TiO2 nanosheet porous film exhibited higher photocurrent, indicating that the higher separation efficiency of the photogenerated charge carriers was achieved.…”
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99
Photocatalytic degradation of antibiotic enrofloxacin under solar light using ZnO and Bi2MoO6 materials
Published 2025-01-01“…The resulting materials underwent comprehensive characterization using techniques such as scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), ultraviolet-visible diffuse reflectance spectroscopy (UV-vis DRS), and photoluminescence spectroscopy (PL) to investigate their physical, chemical, and optical properties. …”
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100
Tailored pc@zro₂@cellulose fiber composites as versatile materials for photocatalytic metal ion reduction and microbial deactivation
Published 2025-07-01“…The composite materials were characterized using X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), N2 adsorption/desorption isotherms, and diffuse reflectance spectroscopy (DRS). The results revealed successful integration of the PCs with the ZrO2-cellulose matrix, facilitating efficient charge transfer and enhanced photocatalytic performance. …”
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