Nowadays, nanoscience and nanotechnology depict cutting-edge areas of modern science and technology across an array of applications, including heterogeneous catalysis [...].
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| http://dx.doi.org/10.3390/nano13222958 | DOI Listing |
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High-Entropy Metal Interstitials Activate TiO for Robust Catalytic Oxidation.
Adv Mater
January 2025
Hefei National Laboratory for Physical Sciences at the Microscale, Department of Applied Chemistry, Department of Environmental Science and Engineering, Center of Advanced Nanocatalysis (CAN), University of Science & Technology of China, Hefei, Anhui, 230026, P. R. China.
Substitution metal doping strategies are crucial for developing catalysts capable of activating O, but the leaching of metal dopants has greatly hindered their potential for extensive oxidation reactions under mild conditions. Here, the study develops an entropy-increase strategy to synthesize high-entropy metal (Mg, Ca, Mn, Fe, and Co) interstitial functionalized anatase TiO (HE-TiO) nanosheets, demonstrating remarkable degradation efficiency across a wide pH range and exceptional stability in a flow-by electro-catalytic reactor. Relative to that of pristine TiO, the intense lattice distortion on the (001) plane, an average lattice expansion of 2% on the (100) plane, and decrease of second shell peak of X-ray absorption spectra serve as compelling evidence for the formation of metal interstitials in HE-TiO.
View Article and Find Full Text PDFChiral plasmonic Au@Pt nanoparticles for detection of HO and Hg and enantiomeric differentiation.
J Environ Manage
January 2025
Department of Chemistry, Soongsil University, Seoul, 06978, South Korea. Electronic address:
Chiral Au@Pt nanoparticles (NPs) with optically plasmonic and catalytic active surfaces were sustainably prepared to serve as label-free surface enhanced Raman scattering (SERS) platform to distinguish D- and L-enantiomers of alanine and tartaric acid. Surface morphologies were characterized by high-angle annular dark-field imaging-scanning transmission electron microscopy (HADDF-STEM) and selected area energy diffraction (SAED) patterns. The amounts of Pt on chiral Au NPs were estimated by the inductively coupled plasma-optical emission spectrometer (ICP-OES) and X-ray diffraction (XRD).
View Article and Find Full Text PDFNi(II)-Dithiocarbamate and -diphosphine coordination complexes as pre-catalysts for electrochemical OER activity.
Dalton Trans
December 2024
Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi-221005, India.
Electrochemical water oxidation holds immense potential for sustainable energy generation, splitting water into clean-burning hydrogen and life-giving oxygen. However, a key roadblock lies in the sluggish nature of the oxygen evolution reaction (OER). Finding stable, cost-effective, and environmentally friendly catalysts with high OER efficiency is crucial to unlock this technology's full potential.
View Article and Find Full Text PDFFabrication of core-shell Prussian blue analogue@ZnInS nanocubes for efficient photocatalytic hydrogen evolution coupled with biomass furfuryl alcohol oxidation.
Dalton Trans
January 2025
School of Chemistry and Chemical Engineering, Institute of Materials Sciences and Engineering, Institute of Clean Energy and Advanced Nanocatalysis (iClean), Anhui Province Key Laboratory of Coal Clean Conversion and High Valued Utilization, Anhui University of Technology, Maanshan 243002, China.
Utilizing photocatalytic technology for the value-added conversion of biomass derivatives, alongside the production of clean hydrogen energy, represents a viable approach to addressing energy and environmental challenges. However, the design of cost-effective and efficient photocatalysts remains a significant obstacle. In this work, we employed open-framework Prussian blue analogs as co-catalytic centers and combined them with ZnInS to construct a series of core-shell nanocube photocatalysts with varying metal compositions.
View Article and Find Full Text PDFTowards precision medicine: design considerations for nanozymes in tumor treatment.
J Transl Med
November 2024
Department of Neurosurgery, The First Hospital of China Medical University, Nanjing Street 155, Heping district, Shenyang, 110001, People's Republic of China.
Since the discovery of Fe3O4 nanoparticles with enzyme-like activity in 2007, nanozymes have emerged as a promising class of catalysts, offering advantages such as high catalytic efficiency, low cost, mild reaction conditions, and excellent stability. These properties make nanozymes highly suitable for large-scale production. In recent years, the convergence of nanomedicine and nanocatalysis has highlighted the potential of nanozymes in diagnostic and therapeutic applications, particularly in tumor therapy.
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