Synthesis of TiO2/Pd and TiO2/PdO Hollow Spheres and Their Visible Light Photocatalytic Activity by Jing Yan, Xiaojuan Li, Bo Jin, Min Zeng, Rufang Peng

“…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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Photocatalytic Degradation of Acid Red and Acid Black Dyes Using Mn-Doped SrTiO₃ Perovskite Nanostructures by Mohammed Khalaf Zidane

“…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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Enhanced LED light driven photocatalytic degradation of Cefdinir using bismuth titanate nanoparticles by Sara Ishaq, Ahmed H. Nadim, Joliana F. Farid, Sawsan M. Amer, Heba T. Elbalkiny

“…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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Photocatalytic Reduction of CO2 to Methane on Pt/TiO2 Nanosheet Porous Film by Li Qiu-ye, Zong Lan-lan, Li Chen, Cao Yu-hui, Wang Xiao-dong, Yang Jian-jun

“…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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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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Automatic and Rapid Discrimination of Cotton Genotypes by Near Infrared Spectroscopy and Chemometrics by Hai-Feng Cui, Zi-Hong Ye, Lu Xu, Xian-Shu Fu, Cui-Wen Fan, Xiao-Ping Yu

“…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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The NaBH4 Reduction and pH Effects on the Optical Property of Bismuth Vanadate by Riapanitra Anung, Julian Haryanto Michael, Setyaningtyas Tien, Riyani Kapti, Nur Handayani Santi

“…Optical absorption data using a UV-visible diffuse reflectance spectrophotometer showed that the reduction process increases the maximum absorption edge to 575 nm and reduces the band gap energy to 2.78 eV at high pH. …”
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Impregnation of ZnO onto a Vegetal Activated Carbon from Algerian Olive Waste: A Sustainable Photocatalyst for Degradation of Ethyl Violet Dye by Ala Abdessemed, Shivatharsiny Rasalingam, Sanna Abdessemed, Kamel El Zin Djebbar, Ranjit Koodali

“…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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Electrochemical and physical properties of magnesioferrite nanomaterial and photocatalytic degradation of methylene blue by Nolubabalo Matinise, A. Fall

“…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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Layered double hydroxides (ZnAl-NO3-LDH) to mixed metal oxides: A promising pathway for sustainable NOx abatement by Humaira Asghar, Valter Maurino, Muhammad Ahsan Iqbal

“…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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Improved activity of SnO for the photocatalytic oxygen evolution by S. Kaizra, B. Bellal, Y. Louafi, M. Trari

“…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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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

“…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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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 O-g-C₃N₄/TiO₂ 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

“…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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Synthesis and Application of Fe-Doped TiO2-Halloysite Nanotubes Composite and Their Potential Application in Water Treatment by Emmanuel Nyankson, Benjamin Agyei-Tuffour, Jonas Adjasoo, Annan Ebenezer, David Dodoo-Arhin, Abu Yaya, Bismark Mensah, Johnson Kwame Efavi

“…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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Preparation and Photocatalytic Dye Degradation Properties of CeO2 / BiOI Heterojunction by MI Shixin, MU Hongxu, WANG Jianhao, YANG Lujuan, WU Pengwei, LIU Ziwei, ZHUANG Yanli

“…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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Enhancing cement-based inorganic coating performance through the integration of graphene-titanium dioxide composite nanofibers by Xiang-fei Wang, Chun Pei, Liangliang Wei, Ji-Hua Zhu

“…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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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

“…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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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

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

“…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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