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

“…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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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

“…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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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

“…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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Enhanced photocatalytic hydrogen production through tuning charge transfer in TiO2/CdSxSe1–x-DETA nanocomposites with S-scheme heterojunction structure by Aoyun Meng, Renqiang Yang, Wen Li, Zhen Li, Jinfeng Zhang

“…We used electron paramagnetic resonance (EPR), ultraviolet–visible diffuse reflectance spectroscopy (UV–Vis DRS), femtosecond transient absorption spectroscopy (fs-TAS) and theoretical calculations to comprehensively confirm that the heterojunctions in all nanocomposites conform to the S-scheme mechanism. …”
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Transition metal doped TiO2: physical properties and photocatalytic behaviour by A. Di Paola, S. Ikeda, G. Marcì, B. Ohtani, L. Palmisano

“…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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Normal Heptane Reforming of Promoted Platinum Composite Catalysts: Preparation, Characterization and Catalytic Performance by Mohammad Hasan Peyrovi, Nastaran Parsafard, Amir Sajedi

“…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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Liquid and frozen multilayers of decanol in zeolites as microreactors for direct and oxygen mediated triplet-triplet annihilation of porphyrin by Peter P. Levin, Silvia M. B. Costa

“…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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Enhanced photocatalytic degradation of Rhodamine B using polyaniline-coated XTiO3(X = Co, Ni) nanocomposites by Mariyem Abouri, Abdellah Benzaouak, Mohamed Elouardi, Lahcen El Hamdaoui, Fatima Zaaboul, Khalil Azzaoui, Belkheir Hammouti, Rachid Sabbahi, Shehdeh Jodeh, Mohammed Alaoui El Belghiti, Adnane El Hamidi

“…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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Design of AgI/BiVO4 heterostructures for photocatalytic antibiotic removal and antimicrobial action by Hanh Thi Truong, Tho Truong Pham, Nhi Dinh Bui, Ha Tien Le, Thuan Chi Nguyen

“…To examine their structural and optical properties, a suite of characterization methods, including energy-dispersive x-ray spectroscopy (EDX), Raman spectroscopy, transmission electron microscopy (TEM), field emission scanning electron microscopy (FE-SEM), x-ray diffraction (XRD), and diffuse reflectance spectroscopy (DRS), was utilized. …”
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Synthesis, Characterization, and Photocatalytic Activity of TiO2 Microspheres Functionalized with Porphyrin by Jin-Hua Cai, Jin-Wang Huang, Han-Cheng Yu, Liang-Nian Ji

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

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

“…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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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

“…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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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

“…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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Dynamically Cyclic Fe2+/Fe3+ Active Sites as Electron and Proton-Feeding Centers Boosting CO2 Photoreduction Powered by Benzyl Alcohol Oxidation by Ben Lei, Gaofeng Zhou, Zhongyou Gong, Chao Liu, Ying Zhou, Vitaliy P. Guro, Yanjuan Sun, Jianping Sheng, Fan Dong

“…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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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

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

“…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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Produksi Hidrogen Secara Fotokalitik dari Air Murni Pada Katalis NaTaO3 by Husni Husin

“…The catalysts are characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), high resolution transmission electron microscopy (HRTEM), and diffuse reflectance UV-Vis (DR-UV-Vis). The photocatalysts have a band gap energy ca. 4.01 and 4.00 eV (corresponding to absorption edge of 310 and 311 nm). …”
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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

“…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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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

“…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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