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81
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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82
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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83
Rationale for the Choice of the Ellipsoidal Reflector Parameters for Biomedical Photometers
Published 2021-12-01“…The total transmittance, diffuse reflectance, and absorption graphs depending on the sample thickness were obtained. …”
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84
Synthesis and Characterization of SCDs/TiO2 Composite
Published 2022-12-01“…SCDs/TiO2 was then visually observed under UV 365 nm and characterized by UV-Vis diffuse reflectance spectrophotometry (UV-Vis/DRS), Photoluminescence (PL) spectroscopy, Fourier transform infrared (FT-IR), and X-ray diffraction (XRD). …”
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85
Photocatalytic degradation of methylene blue and tetracycline under visible light by fabricated carbon quantum dot decorated TiO2 nanotubes
Published 2025-12-01“…This work presents the synthesis of CQD decorated TiO2 nanotubes (CQDs/TNTs) from CQD-decorated TiO2 (CQDs/TiO2) using the hydrothermal method. UV-Vis diffuse reflectance spectroscopy (UV-DRS) reveals that TiO2 nanoparticles (NPs) have a band gap of 3.02 eV, while CQDs/TNTs exhibit a band gap of 2.89 eV. …”
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86
Preparation and Photocatalytic Dye Degradation Properties of CeO2 / BiOI Heterojunction
Published 2023-06-01“…X-ray powder diffraction ( XRD), scanning electron microscope ( SEM), ultraviolet-visible diffuse reflectance spectroscopy ( UV-Vis DRS) and electrochemistry were used to characterize the prepared samples, and the effects of CeO2 calcination temperatures and different mass ratios on the photocatalytic degradation efficiency were evaluated by the degradation experiments of rhodamine B ( RhB) . …”
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87
2D CuO/rGO nanocomposite: a novel architecture for enhanced Cr(VI) photo-reduction
Published 2025-06-01“…The nanocomposite was meticulously characterized using XRD, HRTEM, FESEM, XPS, and UV-Vis diffuse reflectance spectroscopy. Structural analysis confirmed the formation of CuO nanosheets (average size: 396 nm, thickness: 6 nm) integrated with rGO, where the rGO acted as an electron acceptor, mitigating charge recombination. …”
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88
Enhancing cement-based inorganic coating performance through the integration of graphene-titanium dioxide composite nanofibers
Published 2025-07-01“…The 650 °C sample, on the other hand, contained 87.1 % of the anatase and 16.9 % rutile phases, with the lowest photocatalytic efficiency of 70 %. Photoluminescence (PL) and diffuse reflectance spectroscopy (DRS) tests revealed that the incorporation of graphene mitigated electron-hole recombination rates, resulting in a redshifted spectrum. …”
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89
Synthesis and Application of Fe-Doped TiO2-Halloysite Nanotubes Composite and Their Potential Application in Water Treatment
Published 2019-01-01“…The photocatalyst-adsorbent composite (TiO2-Fe-HNTs) was synthesized by the hydrothermal method and characterized by X-ray diffraction, thermogravimetric analysis, Fourier-transform infrared spectroscopy, scanning electron microscopy-energy dispersive X-ray spectroscopy, and diffuse reflectance spectroscopy. The adsorption and photocatalysis mechanism by the TiO2-Fe-HNT composite were examined on methylene blue dye, rhodamine blue dye, naproxen sodium (pharmaceutical drug waste), and imidacloprid (pesticide). …”
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90
A handheld fiber-optic tissue sensing device for spine surgery.
Published 2024-01-01“…This paper introduces a handheld fiber-optic tissue sensing device for real-time bone tissue differentiation during spine surgery using Diffuse Reflectance Spectroscopy (DRS). Our prototype employs laser diodes at two distinct wavelengths for tissue illumination, eliminating the need for a spectrometer and enabling direct light collection with a photodiode. …”
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91
Antifungal and Photocatalytic Activities of ZnO Nanoparticles using Phyllanthus Emblica Leaf Extract
Published 2024-10-01“…We utilized X-ray diffraction (XRD), UV-visible diffuse reflectance spectroscopy (UV-DRS), Fourier-transform infrared (FTIR) spectroscopy, field-emission scanning electron microscopy (FE-SEM), energy dispersive X-Ray analysis (EDX), and transmission electron microscopy (TEM). …”
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92
An experimental investigation into malachite green degradation using highly active NiFe2O4/Bi4O5I2 photocatalyst under visible light
Published 2025-01-01“…Various characterization techniques, including X-ray diffraction (XRD), field-emission scanning electron microscopy (FESEM), ultraviolet-visible diffuse reflectance spectroscopy (UV-Vis DRS), and Mott-Schottky (M-S) analysis were employed to scrutinize the physical, chemical, optical, and electrical characteristics of the as-synthesized photocatalyst. …”
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93
Preparation and enhanced photocatalytic performance of N-TiO2/g-C3N4 heterostructure for Rhodamine B degradation
Published 2024-12-01“…The samples were characterized by X-ray diffraction, scanning electron microscopy, ultraviolet–visible diffuse reflectance spectroscopy, and photoluminescence spectroscopy. …”
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94
Calcium oxide nanoparticles from eggshell waste: A green nanotechnological strategy for microwave-assisted environmental clean up
Published 2025-12-01“…The CaO NPs were synthesized via a straight forward calcination process and characterized using X-ray diffraction (XRD), scanning electron microscopy coupled with energy-dispersive X-ray spectroscopy (SEM-EDX), Fourier-transform infrared spectroscopy (FT-IR), transmission electron microscopy (TEM), thermogravimetric analysis (TGA), and UV–visible diffuse reflectance spectroscopy (UV–Vis DRS). XRD confirmed high crystallinity with an average crystallite size of 32 nm, while TEM revealed cubic nanoparticles in the range of 30–50 nm. …”
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95
Automatic and Rapid Discrimination of Cotton Genotypes by Near Infrared Spectroscopy and Chemometrics
Published 2012-01-01“…This paper reports the application of near infrared (NIR) spectroscopy and pattern recognition methods to rapid and automatic discrimination of the genotypes (parent, transgenic, and parent-transgenic hybrid) of cotton plants. Diffuse reflectance NIR spectra of representative cotton seeds (n=120) and leaves (n=123) were measured in the range of 4000–12000 cm−1. …”
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96
Electrochemical and physical properties of magnesioferrite nanomaterial and photocatalytic degradation of methylene blue
Published 2025-01-01“…The optical characteristics and crystalline structure of the MgFe2O4 nanomaterials were analysed using photoluminescence, diffuse reflectance spectroscopy, and X-ray diffraction. …”
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97
Impregnation of ZnO onto a Vegetal Activated Carbon from Algerian Olive Waste: A Sustainable Photocatalyst for Degradation of Ethyl Violet Dye
Published 2019-01-01“…The synthesized AC-ZnO material was characterized using powder X-ray diffraction, BET surface area measurements, Raman microscopy, thermogravimetric analysis, UV-visible diffuse reflectance spectroscopy, and zeta potential measurements. …”
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98
Photocatalytic Degradation of Acid Red and Acid Black Dyes Using Mn-Doped SrTiO₃ Perovskite Nanostructures
Published 2025-08-01“…The substances have been synthesized thru the sol-gel path and comprehensively characterized using X-ray Diffraction (XRD), Scanning Electron Microscopy (SEM), Transmission Electron Microscopy (TEM), Ultraviolet–Visible Diffuse Reflectance Spectroscopy (UV-Vis/DRS), Brunauer–Emmett–Teller (BET) surface analysis, and Fourier Transform Infrared Spectroscopy (FTIR). surface analysis. …”
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99
Layered double hydroxides (ZnAl-NO3-LDH) to mixed metal oxides: A promising pathway for sustainable NOx abatement
Published 2025-10-01“…The resulting ZnO-based LDOs were characterized via X-ray diffraction (XRD), Fourier Transform Infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), scanning electron microscopy (SEM-EDS), and diffuse reflectance spectroscopy. The photocatalysts demonstrated a conversion efficiency of 27–29 % for NO photocatalytic conversion, with a notable reduction in NO₂ release (3–4 %) and a high selectivity of up to 91 % under light intensities of 20 and 40 W/m². …”
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100
Improved activity of SnO for the photocatalytic oxygen evolution
Published 2018-01-01“…The forbidden band, determined from the diffuse reflectance is found to be 1.46 eV. The electrical conductivity occurs by polaron hopping and follows an Arrhenius type law with activation energy of 0.21 eV, the change in the slope at 526 K is attributed to the oxidation to SnO2. …”
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