📄 chemistry

Porous, Crystalline Rectilinear Organic Frameworks from Linear Chain Packing

This study introduces rectilinear organic frameworks (ROFs), a new class of macrocycle-free porous materials formed by the orderly packing of linear polymer chains, which offer scalable synthesis, modular pore design, and unique structural dynamics such as water-triggered proton conductivity.

Yingbo Zhao, Chenghang Qi, Shitao WU, Chengxi Zhao, Yufei Liu, Dingrui Fan, Linjiang Chen, Jun Jiang, Yanhang Ma2026-07-22
📄 chemistry

Development of a Voltammetric Methodology Based on Polydopamine-Modified Electrodes for the Quantification of Aflatoxin B1

This study presents a cost-effective and reliable voltammetric method using a polydopamine-modified glassy carbon electrode for the sensitive quantification of aflatoxin B1, achieving a detection limit of 5.56 ng L⁻¹ through optimized square wave voltammetry.

Abril Villagrán Manilla, Carlos Andrés Galán Vidal, Dafne Sarahia Guzmán Hernández, Luis Humberto Mendoza Huizar, Miriam (…)2026-07-22
📄 chemistry

One-step synthesis of anhydrous Mg(NO3)2-NaNO3-KNO3 molten salt for high-temperature thermal energy storage

This study demonstrates that a one-step dehydration synthesis of anhydrous Mg(NO3)2-NaNO3-KNO3 ternary molten salt significantly enhances thermal stability, lowers melting temperature, and increases latent heat of fusion, making it a promising candidate for high-temperature thermal energy storage in concentrating solar power applications.

Hongtao Zhang, Xin Xu, Huaiyou Wang, Yongfeng Gao, Wei Chen, Min Wang2026-07-22
📄 chemistry

Examination of Transition Metal-doped Perovskite’s Ammonia Sensing Performance for Chemi-resistive Sensor Application

This study demonstrates that nickel-doped BaSnO₃ perovskite, synthesized via solid-state reaction and spin-coating, exhibits superior ammonia sensing performance—including high response, selectivity, and stability at 300 °C—compared to undoped BaSnO₃, making it a promising candidate for chemi-resistive gas sensor applications.

Thamizhini Subramanian, B. Reyoun Frances, Vishista Kurapati2026-07-22
📄 chemistry

Phase Engineering and Interfacial Polarization Synergistic Modulation: High-Efficiency Electromagnetic Wave Absorption Performance of Ti₃C₂Tₓ-based Dielectric Composites

This study presents a high-efficiency electromagnetic wave absorber based on Ti₃C₂Tₓ MXene-derived ZnO/TiO₂ ternary composites, which achieves superior attenuation through a synergistic dual-regulation strategy of crystal phase engineering and interfacial polarization that optimizes impedance matching and dielectric loss.

Hongbo Xiao, Zhenqin Lin, Yangdie Chen, Haopeng Cai2026-07-22
📄 chemistry

Energy-Efficient Seawater Carbon Removal using Reversible Phenazine-Mediated pH Swings: Insights from Experiments, Modeling, and Machine Learning

This study presents an energy-efficient, long-duration electrochemical seawater carbon removal process using a reversible phenazine–carbon nanotube electrode that achieves record-low energy consumption and high DIC removal rates while generating benign alkaline effluents, with performance limitations and scalable design rules identified through integrated experimental, modeling, and machine learning analyses.

David Kwabi, Bin Yun, Byron Ross2026-07-22