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Impact of Boron Nitride on the Thermoelectric Properties and Service Stability of CuSe.
ACS Appl Mater Interfaces
January 2025
Jiangxi Province Key Laboratory of Organic Functional Molecules, Institute of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, China.
Improving the thermoelectric performance and service stability is essential for the effective use of cuprous selenide (CuSe). In this study, hexagonal boron nitride (h-BN) was incorporated into nano-CuSe, with the goal of enhancing thermoelectric performance and service stability. It was found that CuSe-0.
View Article and Find Full Text PDFMetal-organic frameworks as thermocatalysts for hydrogen peroxide generation and environmental antibacterial applications.
Sci Adv
January 2025
Department of Biomedical Engineering, National Taiwan University, Taipei 10617, Taiwan.
Reactive oxygen species (ROS) are highly reactive, making them useful for environmental and health applications. Traditionally, photocatalysts and piezocatalysts have been used to generate ROS, but their utilization is limited by various environmental and physical constraints. This study introduces metal-organic frameworks (MOFs) as modern thermocatalysts efficiently producing hydrogen peroxide (HO) from small temperature differences.
View Article and Find Full Text PDFAchieving Superior Thermoelectric Performance in Methoxy-Functionalized MXenes: The Role of Organic Functionalization.
ACS Appl Mater Interfaces
January 2025
College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, P. R. China.
Thermoelectric technology enables the direct and reversible conversion of heat into electrical energy without air pollution. Herein, the stability, electronic structure, and thermoelectric properties of methoxy-functionalized MC(OMe) (M = Sc, Ti, V, Cr, Y, Zr, Nb, Mo, Hf, Ta, and W) were systematically investigated using first-principles calculations and semiclassical Boltzmann transport theory. All MXenes, except those with M = Cr, Mo, and W, can be synthesized by substituting Cl- and Br-functionalized MXenes with deprotonated methanol, with stability governed by the M-O bond strength.
View Article and Find Full Text PDFDevelopment of a portable gas chromatograph-mass spectrometer embedded with a low-temperature adsorption thermal desorption module for enhanced detection of volatile organic compounds.
Analyst
January 2025
School of Mechanical and Electrical Engineering, Soochow University, Suzhou, 215021, China.
A portable gas chromatograph-mass spectrometer (GC-MS) is an effective instrument for rapid on-site detection of volatile organic compounds (VOCs). Current instruments typically adsorb samples at ambient temperature, challenging the detection of low-boiling VOCs. In this study, a low-temperature adsorption thermal desorption method is proposed for sample enrichment in a portable GC-MS.
View Article and Find Full Text PDFPressure-Induced Assembly of Organic Phase-Change Materials Hybridized with Expanded Graphite and Carbon Nanotubes for Direct Solar Thermal Harvesting and Thermoelectric Conversion.
Nanomaterials (Basel)
December 2024
State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dong Chuan Road, Shanghai 200240, China.
Direct harvesting of abundant solar thermal energy within organic phase-change materials (PCMs) has emerged as a promising way to overcome the intermittency of renewable solar energy and pursue high-efficiency heating-related applications. Organic PCMs, however, generally suffer from several common shortcomings including melting-induced leakage, poor solar absorption, and low thermal conductivity. Compounding organic PCMs with single-component carbon materials faces the difficulty in achieving optimized comprehensive performance enhancement.
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