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Dynamically Cyclic Fe/Fe Active Sites as Electron and Proton-Feeding Centers Boosting CO Photoreduction Powered by Benzyl Alcohol Oxidation.
Research (Wash D C)
January 2024
School of Resources and Environment, Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 611731, China.
Solar-driven CO photoreduction holds promise for sustainable fuel and chemical productions, but the complex proton-coupled multi-electron transfer processes and sluggish oxidation half-reaction kinetics substantially hinder its efficiency. Here, we devised a rational catalyst design to address these challenges by fabricating ferrocene carboxylic acid-functionalized CsSbBr nanocrystals (CSB-Fc NCs), which facilitate simultaneous benzyl alcohol oxidation and CO reduction reactions under visible-light irradiation. The synchronized proton-coupled electron transfer processes between the reduction and oxidation half-reactions on CSB-Fc NCs resulted in a 5-fold increase in the CO reduction rate (45.
View Article and Find Full Text PDFScots Pine Bark Extracts as Co-Hardeners of Epoxy Resins.
Molecules
December 2024
Department of Physical Chemistry, Faculty of Chemistry, University of Łódź, Pomorska 163/165, 90-236 Łódź, Poland.
Extracts from natural waste like bark or leaves are great sources of phytochemicals, which contain functional groups (hydroxyl, carboxylic, vinyl, allyl) attractive in terms of polymer synthesis. In this study, the synthesis of epoxy with an extract of Scots pine bark as a natural co-hardener was evaluated. Ultraviolet-visible (UV-Vis) spectroscopy was used for the identification of phytochemicals with conjugated dienes and quantification of TPC.
View Article and Find Full Text PDFA comparative study of Merkel cell carcinoma and melanoma incidence and survival in the United States, 2000-2021.
J Invest Dermatol
January 2025
Division of Cancer Epidemiology & Genetics, National Cancer Institute, National Institutes of Health, Rockville, MD, United States.
Merkel cell carcinoma (MCC) and melanoma are important contributors to skin cancer mortality in the United States. We evaluated their epidemiology using US cancer registry data. During 2000-2021, 19,444 MCCs and 646,619 melanomas of the skin were diagnosed.
View Article and Find Full Text PDFNi-Co doped TiO catalyst for efficient photocatalytic degradation of Malachite Green under UV and direct sunlight.
Environ Sci Pollut Res Int
January 2025
Materials and Process Development Laboratory, Department of Chemical Engineering, Birla Institute of Technology and Science, K. K. Birla Goa Campus, Pilani, Goa, 403726, India.
In the present study, combustion-synthesized TiO nanoparticles were wet impregnated with Ni, Co, and Ni-Co, respectively. The photocatalytic performance of synthesized catalysts was evaluated against Malachite Green dye. The synthesized materials were characterized for crystallite size, surface morphology, elemental composition, and band gap using X-ray diffraction, scanning electron microscopy, energy dispersive spectroscopy, and ultra-violet diffused reflectance spectroscopy, respectively.
View Article and Find Full Text PDFMesoporous TiO@g-CN Nanostructure-Enhanced Photocatalytic Degradation of Tetracycline Under Full-Spectrum Sunlight.
Molecules
December 2024
College of Engineering, South China Agricultural University, Guangzhou 510642, China.
TiO has broad prospects in reducing the safety risks posed by emerging pollutants in water environments. However, the high recombination rate of photogenerated carriers limits the activity and photon utilization efficiency of TiO. In this study, mesoporous TiO (m-TiO) and ultra-thin g-CN nanosheets were composited using a hydrothermal method, with the m-TiO tightly and uniformly wrapped by g-CN.
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