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Tunable hybrid zeolites prepared by partial interconversion
2023 / Nature CommunicationsZeolite interconversion is a widely used strategy due to its unique advantages in the synthesis of some zeolites. By using a long-chain quaternary amine as both a structure-directing agent and porogen, we have produced superior catalysts, which we named Hybrid Zeolites, as their structures are made of building units of different zeolite types. The properties of t...
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A self-assembled nanoporous polyelectrolytic interlayer for highly stable zinc metal anodes
2023 / Chemical Engineering JournalAqueous zinc-ion batteries (AZIBs) based on Zn metal anodes are promising candidates for next-generation energy storage due to their high performance, environmental friendliness, low cost, and high abundance. However, the excessive dendrite growth and continuous hydrogen evolution of Zn metal anodes in aqueous electrolytes severely deteriorate the electrochemical p...
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Anionic Effects on Li-Ion Activity and Li-Ion Intercalation Reaction Kinetics in Highly Concentrated Li Salt/Propylene Carbonate Solutions
2023 / The Journal of Physical Chemistry CCertain highly concentrated electrolytes (HCEs) enhance the charge-transfer reaction rate at the electrode/electrolyte interface in Li-ion batteries. The solvation structure of Li+ in HCEs significantly affects the electrochemical interfacial reaction kinetics. However, the effects of different anions on these kinetics have not yet been fully understood. Therefore,...
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Anionic Effects on Li-Ion Activity and Li-Ion Intercalation Reaction Kinetics in Highly Concentrated Li Salt/Propylene Carbonate Solutions
2023 / The Journal of Physical Chemistry CCertain highly concentrated electrolytes (HCEs) enhance the charge-transfer reaction rate at the electrode/electrolyte interface in Li-ion batteries. The solvation structure of Li+ in HCEs significantly affects the electrochemical interfacial reaction kinetics. However, the effects of different anions on these kinetics have not yet been fully understood. Therefore,...
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Na-Salt Eutectic Dihydrate Melt for High-Voltage Aqueous Batteries
2023 / The Journal of Physical Chemistry CAqueous battery electrolytes have attracted research attention owing to their safety and cost benefits. However, the narrow electrochemical window of water (1.23 V) has hindered steady operation at high voltages. The concept of highly concentrated aqueous electrolytes has recently led to the discovery of several Li- and K-salt hydrate melts with low hydration numbe...
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Highly Transparent and Mechanically Robust Energy-harvestable Piezocomposite with Embedded 1D P(VDF-TrFE) Nanofibers and Single-walled Carbon Nanotubes
2023 / Advanced Functional MaterialsHerein, highly transparent, flexible, and ultrathin piezocomposite, in which electrospun poly(vinylidene fluoride-co-trifluoroethylene) [P(VDF-TrFE)] nanofibers (NFs) and aerosol-synthesized single-walled carbon nanotubes (SWCNTs) are embedded in elastomer matrix, is fabricated. The P(VDF-TrFE) NF mat is exploited as a piezoelectric layer of the piezocomposite wh...
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Highly Transparent and Mechanically Robust Energy-harvestable Piezocomposite with Embedded 1D P(VDF-TrFE) Nanofibers and Single-walled Carbon Nanotubes
2023 / Advanced Functional MaterialsHerein, highly transparent, flexible, and ultrathin piezocomposite, in which electrospun poly(vinylidene fluoride-co-trifluoroethylene) [P(VDF-TrFE)] nanofibers (NFs) and aerosol-synthesized single-walled carbon nanotubes (SWCNTs) are embedded in elastomer matrix, is fabricated. The P(VDF-TrFE) NF mat is exploited as a piezoelectric layer of the piezocomposite wh...
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Dual-templating-derived porous carbons for low-pressure CO2 capture
2023 / Carbon LettersPorous carbons are considered promising for CO2 capture due to their high-pressure capture performance, high chemical/thermal stability, and low humidity sensitivity. But, their low-pressure capture performance, selectivity toward CO2 over N2, and adsorption kinetics need further improvement for practical applications. Herein, we report a novel dual-templating st...
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Effects of Mixed Phases on Electrical Conductivities for (CeF3)1–m(CaF2)m Fast-Fluoride-Ion-Conducting Solid Electrolytes
2022 / The Journal of Physical Chemistry CThe realization of all-solid-state fluoride batteries (FBs) is critical for next-generation rechargeable batteries with high specifications, such as energy density, power capacity, lifespan, and reliability. However, no standard choice for solid electrolytes and electrodes in FBs has been established. In addition, the mechanism by which F– ions travel through...
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Tunable Chemical Reactivity and Selectivity of WO3/TiO2 Heterojunction for Gas Sensing Applications
2022 / Advanced Materials TechnologiesNowadays, there is a dramatically growing demand for nanocomposite materials with new functionalities for their application in chemical gas sensors and other catalytic devices. Moreover, green synthesis methods are intensively employed in the preparation of semiconductor nanostructures to reduce the hazardous effects on human health and the environment. Here the ...
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Tube length optimization of titania nanotube array for efficient photoelectrochemical water splittingv
2023 / Scientific ReportsAnodic TiO2 nanotube arrays (TNTAs) have attracted much attention due to their excellent photoelectrochemical (PEC) properties. In this work, the tube length of TNTAs was optimized for efficient PEC water splitting under two different conditions, in which very few or a massive amount of gas bubbles were generated on the electrodes. As a result, relatively longer ...
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Process Accumulated 8% ficient Cu2ZnSnS4-BiVO4 Tandem Cell for Solar Hydrogen Evolution with the Dynamic Balance of Solar Energy Storage and Conversion
2022 / Advanced ScienceA process accumulated record solar to hydrogen (STH) conversion efficiency of 8% is achieved on the Cu2ZnSnS4-BiVO4 tandem cell by the synergistic coupling effect of solar thermal and photoelectrochemical (PEC) water splitting with the dynamic balance of solar energy storage and conversion of the greenhouse system. This is the first report of a Cu2ZnSnS4-BiVO4 tand...
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High Proton Conductivity in β-Ba2ScAlO5 Enabled by Octahedral and Intrinsically Oxygen-Deficient Layers
2022 / Advanced Functional MaterialsProton conductors are promising materials for clean energy, but most available materials exhibit sufficient conductivity only when chemically substituted to create oxygen vacancies, which often leads to difficulty in sample preparation and chemical instability. Recently, proton conductors based on hexagonal perovskite-related oxides have been attracting attention a...
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Water-soluble photoluminescent carbon dots prepared from phloroglucinol by catalyst- and solvent-free reaction
2022 / Carbon LettersCarbon dots (CDs) were synthesized from phloroglucinol (PG) by simple heat treatment at 220–230 °C in the atmosphere without catalysts and solvents. PG-CDs heated at 220–230 °C could be completely dissolved in environmentally friendly water and exhibited a photoluminescence (PL) peak at 485 nm with 85 nm of the full width at half maximum (FWHM...
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Carbon Nanodots Assisted Surface Engineering of GaN Photoanodes for Efficient and Stable Photoelectrochemical Water Oxidation
2022 / Advanced Sustainble SystemsThe process of transferring high-quality graphene-based films onto the surface of the electrode is very complicated and is one of the main bottlenecks in using graphene or graphene-based protecting layers with semiconductors that are electrochemically vulnerable in harsh pH conditions. To address this, an approach is implemented for direct deposition of carbon na...
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