Results 141 to 150 of about 168,759 (278)

Borosulfates Hosting Se42+ Ions—Crystal Structures, Chemical Bonding, Optical Spectroscopy, and Magnetism

open access: yesAngewandte Chemie, EarlyView.
Apart from (transition) metal (oxo)halides only few hosts stabilize chalcogenide cations in purely oxoanionic coordination environment. Herein, we report on five borosulfates containing the Se42+ ion and characterize the compounds using X‐ray diffraction, diffuse reflectance spectroscopy, density functional theory (DFT) calculations along with magnetic
Erich Turgunbajew   +11 more
wiley   +2 more sources

Photoluminescence enhancement of (NH4)(2)S-x passivated InP surface by rapid thermal annealing

open access: yes, 1996
Photoluminescence enhancement of (NH4)(2)S-x passivated InP surface followed by rapid thermal annealing (RTA) has been investigated by using photoluminescence (PL), Auger electron spectroscopy (AES) and X-ray photoelectron spectroscopy (XPS), An increase
Xie XL   +5 more
core  

Artificial Intelligence for Advanced Functional Materials: Progress and Emerging Frontiers

open access: yesAdvanced Intelligent Systems, EarlyView.
Artificial intelligence is transforming the discovery of functional materials by linking synthesis, characterization, simulation, and design in unified workflows. Advances in machine learning, autonomous experimentation, and foundation models are accelerating innovation across energy, electronics, and biomedicine, while revealing new frontiers for ...
Cristiano Malica   +38 more
wiley   +1 more source

Engineering Atomically Precise Cu4I4 Nanoclusters With Integrated Adsorption and Hydrogenation Functions for Efficient Photocatalytic Nitrate‐to‐Ammonia Conversion

open access: yesAngewandte Chemie, EarlyView.
Efficient photocatalytic nitrate‐to‐ammonia conversion is achieved over an atomically precise Cu4I4 motif through dual‐site cooperation. Lewis‐acidic Cu centers promote nitrate adsorption and activation, while adjacent I sites facilitate active hydrogen generation for stepwise hydrogenation.
Wanting Zhang   +13 more
wiley   +2 more sources

One‐Pot Synthesis of Aqueous PEDOT‐Based Conductive Inks via Sequential RAFT/Oxidative Polymerization

open access: yesAngewandte Chemie, EarlyView.
We developed a fast, aqueous one‐pot synthesis for PEDOT:PSTFSI, combining sequential reversible addition–fragmentation chain‐transfer (RAFT) and oxidative polymerization. This method eliminates toxic solvents and purification steps, achieving full monomer conversion in under 3 h.
Fantine Negny   +6 more
wiley   +2 more sources

Gain‐of‐Function Engineering of the NifEN Scaffold Into a Self‐Assembling Nitrogenase

open access: yesAngewandte Chemie, EarlyView.
From scaffold to enzyme: Systematic engineering of the cofactor maturation scaffold NifEN reconstructs the P→M electron relay along with cofactor coordination and proton gating at the S2B site, converting NifEN into a functional nitrogenase capable of ATP‐dependent N2 reduction both in vitro and in vivo.
Yimo Yang   +4 more
wiley   +2 more sources

Change of Non-exchangeable Ammonium Nitrogen in the Process of Organic Nitrogen Mineralization of Typical Soils on Loess Plateau

open access: yesShuitu baochi yanjiu, 2007
In order to investigate the content change of non-exchangeable ammonium nitrogen during the process of soil organic nitrogen mineralization,the typical soils collected from north to south on Loess Plateau were chosen as the material,and the Bremner ...
LI Zi-yan1, LI Shi-qing1
doaj  

Monoammonium Trimetaphosphimate (NH4)H2(PO2NH)3

open access: yes
Trimetaphosphimates show a rich structural variability in both cation coordination and anion arrangement. They are precursors for crystalline, as well as amorphous oxonitridophosphates. The ammonium trimetaphosphimate (NH4)H2(PO2NH)3 is formed during the
Paulmann, Carsten   +2 more
core   +1 more source

Die tRNA‐Modifikation Geranyl‐2‐thiouridin ermöglicht eine RNA‐Lipid Assoziation

open access: yesAngewandte Chemie, EarlyView.
Wir berichten über die Herstellung mono‐ bis tri‐geranylierter RNA und über die Assoziation hydrophober RNA mit Membranen für einen künftigen effizienten Einbau von RNA in Liposomen. ZUSAMMENFASSUNG Die Verpackung von RNA in Lipid‐Nanopartikeln zum Schutz und Transport war für die Entwicklung von mRNA‐Impfstoffen und Medikamenten entscheidend.
Johannes Singer   +3 more
wiley   +1 more source

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