Showing 141 - 160 results of 222 for search 'diffuse reflectance (efficient OR efficiency)', query time: 0.11s Refine Results
  1. 141

    Visible light photocatalytic degradation of tetracycline using copper ferrite nanoparticles synthesized via Glycine-Assisted combustion method by A. Dinesh, K. Radhakrishnan, V. Renuga, Rajendra P. Patil, Suriyaprakash Rajadesingu, S. Suthakaran, L. Guganathan, Manikandan Ayyar, Madhappan Santhamoorthy, Lalitha Gnanasekaran, Munawar Iqbal

    Published 2025-01-01
    “…X-ray diffraction (XRD) was used to check the phase’s structure and purity, FT-IR was used to find out what functional groups were present, UV–Vis diffuse reflectance spectroscopy (DRS) was used to look at the optical properties, and scanning electron microscopy (SEM) was used to see the structure’s shape. …”
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    Article
  2. 142

    Synergetic Enhancement of the Photocatalytic Activity of TiO2 with Visible Light by Sensitization Using a Novel Push-Pull Zinc Phthalocyanine by A. Luna-Flores, M. A. Valenzuela, J. A. Luna-López, A. D. Hernández de la Luz, L. C. Muñoz-Arenas, M. Méndez-Hernández, J. L. Sosa-Sánchez

    Published 2017-01-01
    “…The hybrid photocatalyst was characterized by UV-Vis diffuse reflectance (DRS) and Fourier transform infrared spectroscopy (FT-IR) and its photocatalytic activity was compared with that of the individual components considering the effects of sensitization on their efficiency to degrade Rhodamine B as a model reaction. …”
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  3. 143

    Novel furfural-complexed approach to synthesizing carbon-Doped ZnO with breakthrough photocatalytic efficacy by Sajid Ali Ansari, Nazish Parveen, Abdullah Aljaafari, Adil Alshoaibi, Ghayah M. Alsulaim, Mir Waqas Alam, Mohd Zahid Ansari

    Published 2025-07-01
    “…The influence of furfural on the synthesis process and doping mechanism was analyzed by X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), and UV–visible diffuse reflectance spectroscopy (DRS). Results: XPS confirmed the integration of carbon within the ZnO matrix, and XRD indicated increased lattice dimensions owing to doping. …”
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    Article
  4. 144

    Fabrication of Titanium Dioxide/Carbon Fiber (TiO2/CF) Composites for Removal of Methylene Blue (MB) from Aqueous Solution with Enhanced Photocatalytic Activity by Hao Cheng, Wenkang Zhang, Xinmei Liu, Tingfan Tang, Jianhua Xiong

    Published 2021-01-01
    “…The prepared samples are evidently investigated by X-ray powder diffraction, scanning electron microscopy, energy dispersive spectroscopy, ultraviolet-visible diffuse reflectance spectroscopy, photoluminescence spectrum, and X-ray photoelectron spectroscopy, respectively. …”
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  5. 145

    Multifunctional hybrid films made from CoT3OTx4 and CoFeT2OT4 nanoparticles inside a poly 3-hydroxybutyrate matrix and study of their impact in methyl orange photodegradation. by Lan J Bernal-Sánchez, América R Vázquez-Olmos, Roberto Y Sato-Berrú, Esther Mata-Zamora, Margarita Rivera, Vicente Garibay-Febles

    Published 2024-01-01
    “…The optical band gap for Co3O4 and CoFe2O4 NPs was estimated from their diffuse reflectance spectra (DRS) around 2.5 eV. X-ray diffraction (XRD) of the hybrid films revealed that the nanometric sizes of the Co3O4 and CoFe2O4 nanoparticles incorporated into the P3HB are preserved. …”
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    Article
  6. 146

    Tunable properties of silver (Ag) substituted BaFe2O4 nanoparticles for photovoltaic (PV) applications by Irum Shahid Khan, Iftikhar Hussain Gul

    Published 2025-05-01
    “…A broad inspection has been performed on structural, magneto-electric, dielectric, and optical properties uncovering potential of Ag incorporated barium ferrite nano particles using X-ray diffraction, Vibrating sample magnetometer, Multiferroic system, Impedance Analyzer, UV visible diffuse reflectance spectroscopy, Fluorescence spectrophotometer and Photoluminescence (PL) system. …”
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    Article
  7. 147

    Synthesis, Characterization, and Photocatalytic Activity of TiO2 Microspheres Functionalized with Porphyrin by Jin-Hua Cai, Jin-Wang Huang, Han-Cheng Yu, Liang-Nian Ji

    Published 2012-01-01
    “…In order to utilize visible light more efficiently in the photocatalytic reaction, TiO2 microspheres sensitized by 5-(4-allyloxy)phenyl-10,15,20-tri(4-methylphenyl)porphyrin (APTMPP) were prepared and characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), nitrogen physisorption, scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR) and UV-vis diffuse reflectance spectroscopy, and so forth, The characterization results indicated that APTMPP-MPS-TiO2 was composed of the anatase crystal phase. …”
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    Article
  8. 148

    Enhanced Photocatalytic Activity of BiOBr/ZnO Heterojunction Semiconductors Prepared by Facile Hydrothermal Method by Xiangchao Meng, Lingyun Jiang, Weiwen Wang, Zisheng Zhang

    Published 2015-01-01
    “…Meanwhile, the optical properties of the composites were measured by the diffuse reflectance spectra (DRS). The band gap of composites was also calculated using the classical Tauc equation and it was found to be around 3.0 eV. …”
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  9. 149

    Sustainable synthesis of TiO2 nanoparticles from gambier leaf extract for enhanced DSSC photocurrent response by Nofrijon Sofyan, Yetria Rilda, Andriayani, Fiona Angellinnov, Mouna M'rad, Muhammad, Aga Ridhova, Akhmad Herman Yuwono, Donanta Dhaneswara

    Published 2025-09-01
    “…The optical, structural, and morphological properties of the synthesized NPs were investigated using UV–Vis diffuse reflectance spectroscopy (UV-DRS), X-ray diffraction (XRD), field emission electron microscopy coupled with energy dispersive X-ray spectroscopy (FESEM/EDS), Raman spectroscopy, and high-resolution transmission electron microscopy coupled with selected area diffraction (HRTEM/SAED). …”
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    Article
  10. 150

    Ab initio and experimental study of sulphur/samarium codoped-TiO2 and its visible light photocatalytic activity towards the degradation of orange II dye by Moro Haruna, Charles Kwame Bandoh, Francis Opoku, Eric Selorm Agorku

    Published 2025-01-01
    “…Analytical techniques such as X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), diffuse reflectance spectroscopy (DRS), UV-Visible spectrophotometry, scanning electron microscopy coupled with energy dispersive X-ray spectroscopy (SEM/EDX), and transmission electron microscopy (TEM) were used to characterized the photocatalysts. …”
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    Article
  11. 151

    Blue to Yellow Photoluminescence Emission and Photocatalytic Activity of Nitrogen Doping in TiO2 Powders by Gabriela Byzynski, Caue Ribeiro, Elson Longo

    Published 2015-01-01
    “…The resulting powders were characterized using field emission scanning electron microscopy, X-ray diffraction, diffuse reflectance spectroscopy, Raman spectroscopy, Fourier transformation infrared spectroscopy, and photoluminescence emission spectroscopy (PL). …”
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    Article
  12. 152

    Spectroscopic analysis (UV-VIS-NIR) for predictive modeling of macro and micronutrients in grapevine leaves by J.I. Manzano, M. Rodríguez-Febereiro, M. Fandiño, M. Vilanova, J.J. Cancela

    Published 2025-03-01
    “…Hence, there is a considerable demand for a swift technique to analyze vine organs. Diffuse reflectance spectroscopy coupled with chemometric methods emerges as a potent, cost-effective, and environmentally friendly analytical technique for determining nutrient concentrations in plants. …”
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    Article
  13. 153

    Ball milling preparation and the effect of calcination temperature on the photocatalytic performance of titanium dioxide by Israa Zahwa, Ahmad Kassas, Mohamed Mouyane, Jérôme Bernard, Javier Navas, Tayssir Hamieh, David Houivet

    Published 2025-06-01
    “…Characterization techniques, including X-ray diffraction (XRD), Brunauer-Emmett-Teller (BET) surface area analysis, thermogravimetric analysis (TGA), and UV–Vis spectroscopy using the diffuse reflectance mode (DRS), were employed to evaluate phase composition, surface properties, and optical band gap variations. …”
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    Article
  14. 154

    Green synthesis of ultrafine zinc oxide nanoparticles for photocatalytic degradation of methylene blue dye: Optimization and kinetic studies by Muthusamy Kandasamy, Santhanakrishnan Suresh, Perumal Rameshkumar, Rajendran Jayasree, Panneerselvam Sathishkumar, Prem Gunnasegaran, Niraj S Topare, Sekar Thambidurai, Jemini Arumugam, Rajendran Jothilakshmi, Nalandhiran Pugazhenthiran

    Published 2025-09-01
    “…The prepared ZnO NPs were systematically characterized by X-ray diffraction, Rietveld refinement, Brunauer–Emmett–Teller, X-ray photoelectron spectroscopy, field emission scanning electron microscopy, transmission electron microscopy, energy dispersive X-ray spectroscopy and UV–Visible diffuse reflectance spectroscopy techniques. X-ray diffraction analysis confirmed the development of ZnO NPs with hexagonal wurtzite structure. …”
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    Article
  15. 155

    Tailoring Al-Doped ZnO Nanoparticles via Scalable High-Energy Ball Milling–Solid-State Reaction: Structural, Optical, and Dielectric Insights for Light-Activated Antimicrobial Defe... by Zurayfah Al-Shammari, Imen Massoudi, Amani Rached, Ibtisam Ababutain, Azzah Alghamdi, Reem Aldakheel, Kamal Amin, Essam Kotb, Amor Ben Ali

    Published 2025-04-01
    “…This study reports the synthesis of aluminum-doped ZnO nanoparticles (Al-ZnO NPs) via a top-down mechanochemical solid-state reaction (SSR) approach using high-energy ball milling (HEBM) as a rapid, controllable, and efficient method. Al-ZnO samples were characterized using X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FT-IR), transmission electron microscopy (TEM), scanning electron microscopy (SEM), energy-dispersive spectroscopy (EDS), and UV-Vis diffuse reflectance spectroscopy. …”
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    Article
  16. 156

    Synthesis O-g-C<sub>3</sub>N<sub>4</sub>/TiO<sub>2</sub> rutile composite material for photocatalytic application by M. E. Bondarenko, P. M. Silenko, Yu. M. Solonin, N. I. Gubareni, O. Yu. Khyzhun, N. Yu. Ostapovskaya

    Published 2019-11-01
    “…Obtaining O-g-C3N4/TiO2 binary composite was confirmed through various analytical techniques including X-ray powder diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS) and ultraviolet-visible diffuse reflectance spectra (UV-Vis-DRS) methods. …”
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    Article
  17. 157

    The shifting regulation and competition interface by Max Huffman

    Published 2024-04-01
    “…While competition policy might be favoured early in the growth of an industry, when the efficient outcomes are unknown and unknowable, regulation is a preferred approach when the industry is mature, inno- vation has slowed, and gains come from operational efficiencies rather than techno- logical changes. …”
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  18. 158

    Fe-TiO2 Nanoparticles Synthesized by Green Chemistry for Potential Application in Waste Water Photocatalytic Treatment by Ricardo A. Solano, Adriana P. Herrera, David Maestre, Ana Cremades

    Published 2019-01-01
    “…The cathodoluminescence (CL) and photoluminescence (PL) studies of the doped and undoped nanoparticles show a luminescence signal attributed to surface oxygen vacancies (visible CL emission 380–700 nm and PL emission 350–800 nm); additionally, a decrease in emission intensity is observed due the inhibition of the recombination of the photogenerated electron-holes pairs; moreover, nanopowders were analyzed by UV-Vis spectrophotometry of diffuse reflectance, and the absorption edge of the Fe-TiO2 in comparison to undoped TiO2 is extended greatly toward the visible light. …”
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  19. 159

    Surface and quantum chemical parameters of nickel oxide nanostructures suited for ultraviolet-assisted cationic dye degradation by G. Rathika, R. Jagadeeswari, T. Sathiyapriya, P. Selvakumar

    Published 2024-04-01
    “…Fourier transform infrared spectroscopy and energy dispersive X-ray were employed to analyze the functional group and elemental composition of NiO NPs. The ultraviolet diffuse reflectance spectra indicated an optical band gap of 3.08 eV for synthesized NiO nanoparticles. …”
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  20. 160

    Synthesis of Zinc Oxide-based nanocomposites for photocatalytic removal of contaminant by Maryam Tondkar Mobaraki, Hassan Zavvar Mousavi, Hadi Fallah Moafi, Mohammad Moghadam

    Published 2024-11-01
    “…The samples were characterized by X-ray diffraction (XRD), field emission scanning electron microscope (FESEM), Fourier transform infrared spectroscopy (FT-IR), and diffuse reflectance spectroscopy (DRS). The XRD results revealed that zinc oxide and graphite carbon nitride have a hexagonal wurtzite structure and a hexagonal structure, respectively. …”
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    Article