Results 251 to 260 of about 357,046 (309)

Nickel Hydroxide Catalyzed Bias‐free Photoelectrochemical NH3 Production via Nitrate Reduction

open access: yesAdvanced Materials, EarlyView.
A bias‐free photoelectrochemical nitrate reduction reaction with high efficiency and production rate is achieved using a crystalline silicon photocathode with nickel as the catalyst. Performing the PEC NO3RR under alkaline conditions can be self‐activated of the Ni surface by forming Ni(OH)2.
Wonjoo Jin   +9 more
wiley   +1 more source

Giant Circularly Polarized Luminescence Driven by Excited‐State Hybridization Between Molecular Emitters and Chiral Environments

open access: yesAdvanced Materials, EarlyView.
A fundamental chiroptical response amplification mechanism is revealed to massively enhance molecular helicene chiral emitters. The luminescent dissymmetry factor of the helicene emitter is amplified by 133 times through excited‐state hybridization with a polymeric chiral environment.
Li Wan   +7 more
wiley   +1 more source

Stimuli‐Responsive Low‐Frequency Terahertz Absorption ON‐OFF Switchability in Spin‐Crossover Material

open access: yesAdvanced Materials, EarlyView.
A switchable Fe(II)–Hg(II) coordination polymer exhibits reversible ON‐OFF terahertz (THz) absorption through temperature‐ and light‐induced spin‐crossover. The material shows strong, tunable THz responses linked to phonon modes around Fe(II) centers, supported by spectroscopic measurements and calculations.
Guanping Li   +13 more
wiley   +1 more source

Fractional-statistics-induced entanglement from Andreev-like tunneling. [PDF]

open access: yesNat Commun
Zhang G   +4 more
europepmc   +1 more source

Valence and Site Engineering Enable Efficient Broadband Near‐Infrared Emission at 960 nm in Cr3+‐Activated Forsterite

open access: yesAdvanced Materials, EarlyView.
This study reports a near‐infrared (NIR) luminescent material (Mg2SiO4:1.5%Cr,5%Li) with efficient (EQE = 48%) ultra‐broadband (FWHM ≈ 2413 cm−1 (226 nm)) NIR emission at 960 nm upon blue‐light excitation. This innovation addresses the low efficiency of long‐wavelength (λmax > 900 nm) NIR‐emitting materials due to the radiationless de‐activation and ...
Lei Zhong   +11 more
wiley   +1 more source

Bell inequality violation in gate-defined quantum dots. [PDF]

open access: yesNat Commun
Steinacker P   +17 more
europepmc   +1 more source

Quantum-Centric Computational Study of Methylene Singlet and Triplet States. [PDF]

open access: yesJ Chem Theory Comput
Liepuoniute I   +5 more
europepmc   +1 more source

The concept of biophotonic signaling in the human body and brain: rationale, problems and directions. [PDF]

open access: yesFront Syst Neurosci
Nevoit G   +5 more
europepmc   +1 more source

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