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J Hazard Mater 2022 May 13;436:129149. Epub 2022 May 13.

National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Engineering Research Center of Beijing, Beijing University of Technology, Beijing 100124, PR China. Electronic address:

Cadmium (Cd) removal is imperative to ensure the safety of aquatic-ecosystem, yet its effective removal technology has remained elusive by far. To address this concern, three-dimensional N-doped carbon (NC) polyhedrons affording ample porosity is fabricated based upon the thermal carbonization and KOH activation of zeolitic imidazolate framework-8 (ZIF-8) precursor. Thus-derived activated NC (a-NC) adsorbent not only overcomes the inherent instability of ZIF-8 but also harvests a maximum Cd(Ⅱ) adsorption capacity of 370. Read More

J Mol Graph Model 2022 May 12;115:108213. Epub 2022 May 12.

2-D Materials Research Laboratory, Discipline of Physics, PDPM-Indian Institute of Information Technology, Design & Manufacturing Jabalpur, MP-482005, India. Electronic address:

Li-ion batteries (LIB) are an integral part of portable electronic gadgets. Enhancing the performance of LIB is an active area of research. Here, we investigated the lithiation properties of pure and C-doped BN (BCN) nanosheets using density functional theory. Read More

Biosens Bioelectron 2022 Apr 29;211:114332. Epub 2022 Apr 29.

School of Medical Science and Technology, Indian Institute of Technology, Kharagpur, WB, 721302, India. Electronic address:

The present study employs density functional theory-based first principle calculation to investigate the electron transport properties of polyaniline following exposure to acidic and alkaline pH. In-situ deposited polyaniline-based paper device maintains emeraldine salt form while it is exposed to acidic pH and converts to emeraldine base when it is subjected to alkaline pH solutions. These structural changes at acidic and alkaline pH are validated experimentally by Raman spectra. Read More

J Colloid Interface Sci 2022 May 5;623:285-293. Epub 2022 May 5.

Med-X Research Institute, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China. Electronic address:

Hydrogen production technologies have attracted considerable attention with the increasing demand for renewable energy. Among them, the combined action of water electrolysis and solar energy has emerged. In this study, a hydrangea ZnO/NiFe-layered double hydroxide (LDH) heterojunction was synthesized using the two-step hydrothermal method. Read More

J Am Chem Soc 2022 May 20. Epub 2022 May 20.

School of Materials Science and Engineering, Chang'an University, Xi'an 710064, China.

Facing the increasingly serious energy and environmental crisis, the development of heteronuclear metal-free double-atom catalysts is a potential strategy to realize efficient catalytic nitrogen reduction with low energy consumption and no pollution because it could combine the advantages of flexible active sites in double-atom catalysts while also being pollution-free and have high Faraday efficiency in metal-free catalysts simultaneously. However, according to the existing mechanism, the finite orbits of other nonmetallic atoms, except the boron atom, reduce the possibility of metal-free catalysis and hinder the development of heteronuclear metal-free double-atom catalysts. Herein, we propose a new "capture-backdonation-recapture" mechanism, which skillfully uses the electron capture-backdonation-recapture between boron, the substrate, and other nonmetallic elements to solve the above problems. Read More