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Halogen Bonding as a Tool to Control Morphology and Charge Transport Properties in Organic Semiconductors.
Angew Chem Int Ed Engl
March 2025
Tampere University: Tampereen Yliopisto, Chemistry and Advanced Materials, Korkeakoulunkatu 3, 33720, Tampere, FINLAND.
The solid-state structure and morphology of organic semiconductors are critical in determining the performance of organic electronic devices, as they directly influence charge carrier mobility. Improved molecular packing and ordering are key to achieving better device performance. While halogen bonding (XB) has been extensively used in supramolecular crystal engineering, its potential for organic electronics remains largely untapped.
View Article and Find Full Text PDFSupplementation with Lentil () Hull Soluble Dietary Fiber Ameliorates Sodium Dextran Sulfate-Induced Colitis and Behavioral Deficits via the Gut-Brain Axis.
Foods
March 2025
State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, China.
In this study, the impact of lentil hull soluble dietary fibers (SDFs) on colitis and behavioral deficits in mice was assessed. Structural characterizations of SDFs confirmed that cellulase-modified soluble dietary fiber exhibited better physicochemical properties: more porous microstructure; similar polysaccharide structure; more stable particle size distribution; higher crystallinity; better adsorption capacity; and lower viscosity. Additionally, we explored its potential cognitive benefits via the gut-brain axis by behavioral tests, histopathology, 16S rRNA sequencing, gas chromatography and metabolomics analysis.
View Article and Find Full Text PDFImpact of Treatment Methods on the Surface Properties of the Mg-Containing Zeolite Y.
Materials (Basel)
February 2025
Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, 30-239 Krakow, Poland.
In the undertaken research, we investigated the preparation route's influence mainly on the surface properties of the final form of Mg-containing zeolite Y. The parent zeolite was subjected to modification with aqueous solutions of magnesium nitrate via impregnation, ion-exchange, and ultrasonic techniques, respectively. The results obtained from the Atomic Force Microscopy (AFM), Computer Tomography (CT), and crystallinity evaluations indicated that the method of zeolite modification influenced the physicochemical properties of the studied samples.
View Article and Find Full Text PDFThe Effect of Hydrogen Annealing on the Electronic Conductivity of Al-Doped Zinc Oxide Thin Films.
Materials (Basel)
February 2025
Graduate School of Energy Science, Kyoto University, Kyoto 606-8501, Japan.
In this research, Hall effect experiments and optical fittings were mainly conducted to elucidate the effect of hydrogen annealing on the electronic properties of polycrystalline Al-doped Zinc Oxide thin films by distinguishing the scattering by ion impurities and the scattering by grain boundaries. By comparing the carrier density and those mobilities of H-annealed samples with Ar-annealed samples, the effect of H annealing was highlighted. AZO thin films were prepared on the quartz glass substrate at R.
View Article and Find Full Text PDFInvestigations on Thermal Transitions in PDPP4T/PCPDTBT/AuNPs Composite Films Using Variable Temperature Ellipsometry.
Polymers (Basel)
March 2025
Department of Engineering Materials and Biomaterials, Silesian University of Technology, 18a Konarskiego Str., 41-100 Gliwice, Poland.
Herein, we report a comprehensive investigation on the thermal transitions of thin films of poly [2,5-bis(2-octyldodecyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione -3,6-diyl)-alt-(2,2';5',2″;5″,2'″-quaterthiophen-5,5'″-diyl)]PDPP4T, poly[2,6-(4,4-bis-(2-ethy-lhexyl)-4H-cyclopenta [2,1-b;3,4-b']dithiophene)-alt-4,7(2,1,3-benzothiadiazole)] PCPDTBT, 1:1 blend of PDPP4T and PCPDTBT, and their composites with gold nanoparticles (AuNPs). The thermal transitions of these materials were studied using variable temperature spectroscopic ellipsometry (VTSE), with differential scanning calorimetry (DSC) serving as the reference method. Based on obtained VTSE results, for the first time, we have determined the phase diagrams of PDPP4T/PCPDTBT and their AuNPs composites.
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