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Photochromic Sodalites: From Natural Minerals to Advanced Applied Materials.
Acc Chem Res
January 2025
Mineralogical Society of Antwerp, Boterlaarbaan 225, 2100 Deurne, Belgium.
ConspectusWhile photochromic natural sodalites, an aluminosilicate mineral, were originally considered as curiosities, articles published in the past ten years have radically changed this perspective. It has been proven that their artificial synthesis was easy and allowed compositional tuning. Combined with simulations, it has been shown that a wide range of photochromic properties were achievable for synthetic sodalites (color, activation energy, reversibility, etc.
View Article and Find Full Text PDFConstructing a Polyoxometalate-Based Metal-Organic Framework for Photocatalytic Oxidation of Thioethers to Sulfoxides Utilizing In Situ-Generated Superoxide Radicals.
Inorg Chem
January 2025
Henan Key Laboratory of Polyoxometalate Chemistry, College of Chemistry and Molecular Sciences, Henan University, Kaifeng, Henan 475004, P. R. China.
Developing new photocatalysts for the selective oxidation of thioethers to high-value-added sulfoxides under low-oxygen mild conditions is a promising but challenging strategy. Here, a new polyoxometalate-based metal-organic framework (POMOF), , was successfully synthesized, wherein continuous π···π stacking interactions and direct coordination bonds not only strengthen the framework's stability but also accelerate electron transfer. A series of experiments and theoretical studies, including control experiments, kinetic studies, electrochemical spectroscopic analyses, and electron paramagnetic resonance, revealed the synergistic catalytic effect among Co(II) metal centers, BWO, and the photosensitizer TPT.
View Article and Find Full Text PDFDouble reactive oxygen species system photoinduced by Cu NCs: synergistic catalysis of phenylacetylene self-coupling reaction.
Nanoscale
January 2025
School of Chemistry & Chemical Engineering, School of Materials Science and Engineering and Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials, Department of Chemistry and Center for Atomic Engineering of Materials, Key Laboratory of Structure and Functional Regulation of Hybrid Materials of the Ministry of Education, Anhui University, Hefei, 230601, China.
Atomically precise nanoclusters (NCs) can serve as an excellent platform for a comprehensive understanding of structure-property relationships. Herein, three structurally similar Cu NCs (Cu-1, Cu-2 and Cu-3) have been prepared for the photocatalytic phenylacetylene self-coupling reaction. It was found that Cu-1 NC achieved the highest turnover number (TON) of 524.
View Article and Find Full Text PDFDeciphering the Photophysical Properties of Nonplanar Heterocyclic Compounds in Different Polarity Environments.
J Phys Chem B
January 2025
Materials Chemistry Department, CSIR-Institute of Minerals and Materials Technology, Bhubaneswar 751013, India.
Nonplanar (butterfly-shaped) phenothiazine () and its derivative's () photophysical and spectral properties have been tuned by varying the solvents and their polarity and investigated employing spectroscopic techniques such as UV-Vis, steady-state and time-resolved fluorescence, and TDDFT calculations. The UV-Vis absorption studies and TDDFT calculations reveal two distinct bands for both compounds: a strong π-π* transition at shorter wavelengths and a weaker -π* transition, which displays a little bathochromic shift in polar solvents. The detailed emission studies reveal that such dual emission is a result of the photoinduced excited-state conjugation enhancement (ESCE) process.
View Article and Find Full Text PDFDevelopment of fluorescent-photothermal probe based on photoinduced energy transfer: A dual-readout immunosensor for the detection of illegal additive.
Biosens Bioelectron
January 2025
Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, 510642, China; Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, 510642, China. Electronic address:
The development of advanced optical probes for point-of-care testing holds great importance in the field of diagnostic technologies. This study focused on the synthesis of a probe featuring both fluorescent and photothermal responses with single excitation wavelength, which was achieved through the combination of oxidized camellia oleifera shell powder (OC) and Prussian blue nanoparticles (PBNPs). Notably, OC derived from the direct processing of raw material showed fluorescent and phosphorescent emissions simultaneously, and the positions of the two peaks overlapped with the absorbance range of PBNPs, making the fluorescent and phosphorescent emissions of OC effectively quenched by PBNPs.
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