Results 191 to 200 of about 14,587 (250)

Electronic and Optical Properties of Transition-Metal-Modified BiFeO<sub>3</sub>: A First Principles Study. [PDF]

open access: yesMaterials (Basel)
Aslla Quispe AP   +5 more
europepmc   +1 more source

Synthesis and Functional Properties of Fluorinated Phosphonate‐Substituted Porphyrins: Excellent Photosensitizers and Robust Precursors for Photoactive Langmuir–Schaefer Films

open access: yesChemistry – A European Journal, EarlyView.
This is a comprehensive study of new family of high functionalized meso‐tetraarylporphyrins. A synthetic approach to phosphonate‐substituted fluorinated porphyrins was developed. These compounds were investigated with respect to singlet oxygen generation and photostability.
Azhar Kechiche   +8 more
wiley   +1 more source

Redox‐Targeting Reactions of Viologen‐Based Shuttles and Polymers Translated From Nonaqueous to Aqueous Electrolyte

open access: yesChemistry – A European Journal, EarlyView.
. ABSTRACT Redox‐targeting flow batteries (RTFBs) present an attractive strategy for enhancing the energy density of conventional redox flow batteries (RFBs) by integrating heterogeneous energy storage materials as capacity boosters. However, nearly all RTFB systems have been developed with nonaqueous redox chemistries, while capacity boosters in ...
Yuxin Liu   +4 more
wiley   +1 more source

Synthesis and Optical Properties of Diboron Complexes of 1,4‐Anthraquinone Derivatives

open access: yesChemistry – A European Journal, EarlyView.
1,4‐Diboron complexes exhibit near‐infrared fluorescence, in contrast to non‐emissive 1,5‐diboron analogues. Fluorescence quantum yields decrease with increasing electron‐donating substituents, attributed to enhanced nonradiative decay via intramolecular PeT.
Yasuhiro Kubota   +10 more
wiley   +1 more source

Isodesmic Supramolecular Assembly of Phenylethynylene Bis‐Urea Macrocycles

open access: yesChemistry – A European Journal, EarlyView.
A soluble phenylethynylene bis‐urea macrocycle assembles in polar media via an isodesmic hydrogen bonded mechanism. Spectroscopic and morphological studies reveal nanoscale aggregates with short chain length, while guest additives modulate enthalpy and polymerization, demonstrating tunable supramolecular assembly.
Fahidat A. Gbadamosi   +5 more
wiley   +1 more source

Fully Reversible Regulation of 8‐17 DNAzyme Activity Using Nucleoside‐Based Diarylethenes

open access: yesChemistry – A European Journal, EarlyView.
The site‐specific incorporation of nucleosidic diarylethenes into the 8–17 deoxyribozyme (DNAzyme) identified position 2.1 as optimal. Compound dU‐PhtBu enabled efficient light‐dependent control of catalytic activity, while maintaining thermal stability and reversibility.
Jörn Bargstedt   +3 more
wiley   +1 more source

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