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Pressure regulated CO electrolysis on two-dimensional BiOSe.
Chem Commun (Camb)
January 2025
Division of Physical Science and Engineering (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Kingdom of Saudi Arabia.
The electrochemical reduction of carbon dioxide (CORR) offers potential for sustainable production and greenhouse gas mitigation, particularly with renewable energy integration. However, its widespread application is hindered by expensive catalysts, low selectivity, and limited current density. This study addresses these challenges by developing a low-mass-loading two-dimensional (2D) BiOSe catalyst chemical vapor deposition (CVD).
View Article and Find Full Text PDFUnderstanding the Kinetics of CO Hydrate Formation in Dry Water for Carbon Capture and Storage: X-ray Diffraction and In Situ Raman Studies.
ACS Appl Mater Interfaces
January 2025
Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore 117580, Singapore.
Hydrate-based carbon capture and storage (HBCS) is a sustainable and promising approach to combating global warming by utilizing water, which is a ubiquitous resource. Here, we report a comprehensive study of CO hydrate formation in dry water (DW), a water-in-air dispersion confined in silica particles, for improving the kinetics of hydrate growth. Utilizing a combination of a home-built high-pressure reactor, in situ Raman spectroscopy, and powder X-ray diffraction (PXRD), we elucidate the crystal structure, growth dynamics, and morphology of CO hydrates formed in DW, with and without the kinetic hydrate promoter, l-tryptophan.
View Article and Find Full Text PDFLuminescence of the CsZrCl under High Pressure.
Inorg Chem
January 2025
Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, Warsaw 02-668, Poland.
The photoluminescence (PL) and Raman spectra of the CsZrCl crystal over a wide range of pressures were studied in this work for the first time. PL measurements were performed up to 10 GPa, while the Raman spectra were measured up to 20 GPa. The PL data revealed a linear blue shift of the emission maximum from about 2.
View Article and Find Full Text PDFSymmetry Breaking in Twisted Mixed-Dimensional Heterostructure Interfaces for Multifunctional Polarization-Sensitive Photodetection.
ACS Nano
January 2025
Center for High Pressure Science (CHiPS), State Key Laboratory of Metastable Materials Science & Technology, Yanshan University, Qinhuangdao 066004, China.
Moiré superlattices, created by stacking different van der Waals materials at twist angles, have emerged as a versatile platform for exploring intriguing phenomena such as topological properties, superconductivity, the quantum anomalous Hall effect, and the unconventional Stark effect. Additionally, the formation of moiré superlattice potential can generate spontaneous symmetry breaking, leading to an anisotropic optical response and electronic transport behavior. Herein, we propose a two-step chemical vapor deposition (CVD) strategy for synthesizing WS/SbS moiré superlattices.
View Article and Find Full Text PDFSynthesis and Stability of High-Energy-Density Niobium Nitrides under High-Pressure Conditions.
Inorg Chem
December 2024
The Earth and Planets Laboratory Carnegie Science, Washington D.C. 20015, United States.
High-energy-density materials (HEDMs) are crucial in various applications, from energy storage to defense technologies. Transition metal polynitrides are promising candidates for HEDMs. Using single-crystal synchrotron X-ray diffraction, we investigated the crystal structures of niobium nitride, specifically NbN and NbN, under high-pressure conditions of up to 86 GPa.
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