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Determination of Site Occupancy in the M-Pd-Zn (M = Cu, Ag, and Au) γ-Brass Phase by CALculation of PHAse Diagrams Modeling and Rietveld Refinement.
Inorg Chem
January 2025
Department of Materials Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, United States.
The Pd-Zn γ-brass phase provides exciting opportunities for synthesizing site-isolated catalysts with precisely controlled Pd active site ensembles. Introducing a third metallic element into the γ-brass lattice further perturbs the catalytic active site ensembles. Here, we introduce coinage metallic elements M (M = Cu, Ag, and Au) into the Pd-Zn γ-brass phase and investigate the site occupation factors of each element in the γ-brass lattice.
View Article and Find Full Text PDFMerged Red and NIR Light Sources for Photobiomodulation Therapy in Diabetic Wound Healing.
ACS Appl Mater Interfaces
January 2025
School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea.
Photobiomodulation (PBM) is considered an effective and safe therapeutic modality in supporting the treatment of complications from a global pandemic-diabetes. In this study, PBM therapy is investigated to accelerate wound healing in diabetic mice (DM), under the combined biological effects of red light from a red organic light-emitting diode (ROLED) and near-infrared (NIR) light from an NIR conversion film (NCF) with dispersed CuInS/ZnS quantum dots (QDs). The QD concentration and the NCF structure were optimized to maximize the optical properties and mechanical stability.
View Article and Find Full Text PDFEnhancing Osteogenesis and Mechanical Properties through Scaffold Design in 3D Printed Bone Substitutes.
ACS Biomater Sci Eng
January 2025
Xiangya School of Stomatology, Central South University, Changsha 410008, Hunan, China.
In the context of regenerative medicine, the design of scaffolds to possess excellent osteogenesis and appropriate mechanical properties has gained significant attention in bone tissue engineering. In this review, we categorized materials into metallic, inorganic, nonmetallic, organic polymer, and composite materials. This review provides a more integrated and multidimensional analysis of scaffold design for bone tissue engineering.
View Article and Find Full Text PDFTwo-Dimensional Tantalum Carbo-Selenide for Hydrogen Evolution.
ACS Nano
January 2025
Department of Physics and Engineering Physics, Tulane University, New Orleans, Louisiana 70118, United States.
Herein, we report the synthesis of two-dimensional TaSeC (2D-TaSeC) nanosheets using electrochemical lithiation in multilayer TaSeC followed by sonication in deionized water. Multilayer TaSeC was obtained via solid-state synthesis of FeTaSeC followed by chemical etching of Fe. 2D-TaSeC exhibited promising electrocatalytic activity for the hydrogen evolution reaction from water compared to multilayer TaSeC and 2D-TaSe.
View Article and Find Full Text PDFEnhancing Hydrogen Evolution Reaction through Coalescence-Induced Bubble Departure on Patterned Gold-Silicon Microstrip Surfaces.
ACS Appl Mater Interfaces
January 2025
Department of Mechanical Engineering, Boston University, 110 Cummington Mall, Boston, Massachusetts 02215, United States.
Hydrogen bubble adhesion to the electrode presents a major obstacle for green hydrogen generation via the hydrogen evolution reaction (HER) as it would induce undesired overpotential and undermine the reaction efficiency by reducing reaction area, increasing transport resistance, and creating an undesired ion concentration gradient. While electrodes with aerophobic/hydrophilic surfaces have been developed to facilitate bubble detachment, they primarily rely on micro- and nanostructured catalyst surfaces to enhance buoyance-induced bubble departure. Here, we demonstrate that introducing nonreactive yet more hydrophilic surfaces can promote coalescence-induced bubble departure, thereby significantly reducing the transport overpotential and improving HER performance.
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