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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Structural and optical tuning of BiVO₄ via cerium doping for enhanced dye degradation performance by Debapriya Pradhan, Susanta Kumar Biswal, Rasmirekha Pattanaik, Rishabh kamal, Suresh Kumar Dash, Prafulla kumar Panda, Nibedita Nayak

“…The surface morphology and elemental composition of the synthesized catalysts were analyzed using Field Emission Scanning Electron Microscopy (FESEM) and Energy Dispersive X-ray (EDX) spectroscopy.The optical properties, examined through UV-Vis Diffuse Reflectance Spectroscopy (UV-DRS), exhibited a redshift in the absorption edge, enhancing visible light responsiveness. …”
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Synthesis of CdIn2S4 Microsphere and Its Photocatalytic Activity for Azo Dye Degradation by Jianhui Huang, Wei Lin, Jianqin Chen

“…The prepared CdIn2S4 was characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FSEM), transmission electron microscopy (TEM), UV-visible diffuse reflectance spectroscopy (UV-Vis DRS), and N2-sorption techniques. …”
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Carbon-Rich Nanocomposites Based on Polyaniline/Titania Nanotubes Precursor: Synergistic Effect Between Surface Adsorption and Photocatalytic Activity by Brankica Gajić, Milica Milošević, Dejan Kepić, Gordana Ćirić-Marjanović, Zoran Šaponjić, Marija Radoičić

“…The novel CTTP composites and carbonized pristine TiO₂-NTs (CTNT) were characterized by various techniques, including TEM, UV-Vis diffuse reflectance, Raman spectroscopy, XRD, and TGA. …”
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Green Synthesis of Co3O4/AC Nanocomposite using Bryophyllum pinnatum Leaf Extract for Enhanced Photodegradation of Malachite Green Dye by Sumaiyya Patel, Dinesh Hase, Kanhaiyalal Bhavsar, Vaishali Murade, Gajanan* Pandhare

“…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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Environmentally sustainable fabrication of SnO2/fly ash/biochar nanocomposite for enhanced photocatalytic performance for degradation of Ofloxacin and Rose Bengal by Khushboo Kumari, N. S. Moyon, Mohammed Ahmaruzzaman

“…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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Preparation of Hierarchical Structure Au/ZnO Composite for Enhanced Photocatalytic Performance: Characterization, Effects of Reaction Parameters, and Oxidizing Agent Investigations by Anh-Tuan Vu, Thi Anh Tuyet Pham, Xuan Truong Do, Van Anh Tran, Van Duong Le, Duc Duc Truong, The Huu Nguyen, Minh Viet Nguyen

“…As-prepared composites were characterized by UV-vis diffuse reflectance spectra (DR/UV-Vis), field emission scanning electron microscope (FESEM), energy-dispersive X-ray spectroscopy (EDS), transmission electron microscopy (TEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), and electron paramagnetic resonance (EPR). …”
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Enhanced photocatalytic degradation of methylene blue using zinc vanadate nanomaterials with structural and electrochemical properties by N. Matinise, N. Botha, A. Fall, M. Maaza

“…The optical properties, crystalline structure, and composition of the nanomaterials were analysed using photoluminescence (PL), X-ray diffraction (XRD), diffuse reflectance spectroscopy (DRS), Fourier-transform infrared spectroscopy (FTIR), and high-resolution transmission electron microscopy (HRTEM). …”
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Green Synthesis of Fe₂O₃ Nanoparticles Using <i>Eucalyptus globulus</i> Leaf Extract on <i>Pinus radiata</i> Sawdust for Cationic Dye Adsorption by Pablo Salgado, Eduardo Aedo, Gladys Vidal

“…The morphology and structure of Fe₂O₃@PS were characterized using scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), and UV–Vis diffuse reflectance. The adsorption capacity of the system was evaluated by testing its ability to remove the Rhodamine B (RhB) dye. …”
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Optimization of photocatalytic degradation of sulfamethoxazole from wastewater using developed N-doped TiO2/biochar by Hailu Ashebir, Saeideh Babaee, Palesa Diale, Abebe Worku, T.A.M. Msagati, Jemal Fito Nure

“…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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VIS-NIR-SWIR spectroscopic mapping for classification of hydrothermal-metasomatic alterations on the flanks of the Stolbovoe uranium deposit (Eastern Cis-Sayan) by E. N. Karmanov, N. V. Ledeneva, V. A. Rassulov, A. V. Tomashev

“…The instrument was used to measure diffuse reflectance spectra in the Ultraviolet-Visible-Short-Wave Infrared (UV-Vis-SWIR) ranges; the composition of various mineral phases was determined using the TSGVersion 7 database and software.Results. …”
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Hydrothermal Synthesis of Nanocomposites Combining Tungsten Trioxide and Zinc Oxide Nanosheet Arrays for Improved Photocatalytic Degradation of Organic Dye by Chien-Yie Tsay, Tao-Ying Hsu, Gang-Juan Lee, Chin-Yi Chen, Yu-Cheng Chang, Jing-Heng Chen, Jerry J. Wu

“…X-ray diffraction (XRD) analysis revealed the presence of hexagonal WO₃ and wurtzite ZnO crystal phases. UV-Vis diffuse reflectance spectroscopy showed that integrating ZnO nanostructures with WO₃ nanosheets resulted in a blue shift of the absorption edge and a reduced absorption capacity in the visible-light region. …”
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Design, synthesis, and optimization of a novel ternary photocatalyst for degradation of cephalexin antibiotic in aqueous solutions by Zeynab Abdeyazdan, Mohammad Rahmati, Arjomand Mehrabani-Zeinabad, Masoud Habibi Zare

“…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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Synthesis and Characterization of a Novel Sol–Gel-Derived Ni-Doped TiO₂ Photocatalyst for Rapid Visible Light-Driven Mineralization of Paracetamol by Nicola Morante, Katia Monzillo, Vincenzo Vaiano, Zukhra C. Kadirova, Diana Sannino

“…The catalysts were characterized through Raman spectroscopy, UV–Vis diffuse reflectance spectroscopy (UV–Vis DRS), and surface area measurements. …”
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Photo-Enhanced Peroxymonosulfate Activation via Well-Dispersed Cobalt Nanoparticles Encapsulated on Carbon Nitride for 2,8-Dichlorodibenzo-p-dioxin Removal by Yao Yue, Teer Wen, Yunfei He, Xuetong Qu, Jibo Dou, Yuchi Zhong, Jiafeng Ding, Hangjun Zhang

“…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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TiO2 material loaded on LDH/MIL-101(Fe) is doped with La and Fe to effectively remove pyridine: “Performance and mechanism” by Wei Zhang, Ku Yu, Wang Aihe

“…The synthesized LDH/MIL-101(Fe)/La-Fe-TiO2 composite was systematically characterized using scanning electron microscopy (SEM), UV–Vis diffuse reflectance spectroscopy (DRS), X-ray photoelectron spectroscopy (XPS), and Brunauer-Emmett-Teller (BET) analysis. …”
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Preparation of CdO Rhombus-like Nanostructure and Its Photocatalytic Degradation of Azo Dyes from Aqueous Solution by Azadeh Tadjarodi, Mina Imani, Hamed Kerdari, Keyvan Bijanzad, Dorsan Khaledi, Maryam Rad

“…The band gap energy of 1.9 eV based on a diffuse reflectance spectroscopy (DRS) showed that the product can be favourable to photoactivity in the visible region of sunlight. …”
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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

“…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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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

“…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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Prussian Blue Analogue-Derived p-n Junction Heterostructure for Photothermal Reverse Water–Gas Shift: Enhanced Activity and Selectivity via Synergistic Effects by Shaorui Jia, Xinbo Zhang, Junhong Ma, Chaoyun Ma, Xue Yu, Yuanhao Wang

“…In situ diffuse reflectance infrared Fourier transform spectroscopy (in situ DRIFTS) investigations have identified COOH* as a critical reaction intermediate and elucidated that photoexcitation accelerates charge carrier dynamics, thereby substantially promoting the conversion of key intermediates (CO₂* and CO*) and overall reaction kinetics. …”
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