Results 191 to 200 of about 151,578 (271)

In Situ Growth of 2D Perovskite Nanocrystals to Induce β–Phase of PVDF for Piezoelectric Nanogenerators with Ultra‐High Output Voltage

open access: yesSmall, Volume 22, Issue 15, 12 March 2026.
In situ grown 2D perovskite nanocrystals embedded in PVDF enable flexible piezoelectric nanogenerators with greatly enhanced β‐phase content and a high d33∗${\mathrm{d}}_{33}^{\mathrm{*}}$ of 35.16 pm/V. The devices deliver up to 66.54 V, exhibit light‐enhanced piezoelectricity, and maintain durability over 12000 cycles, offering a stable energy source
Yang Yang   +11 more
wiley   +1 more source

Ions as Architects of DNA Nanostructures: Mechanisms, Simulations, and Technological Frontiers

open access: yesSmall Structures, Volume 7, Issue 3, March 2026.
Ions are not merely passive electrolytes but active regulators of DNA nanostructures. This review shows how ion valence, hydration, and specificity govern electrostatic screening, correlation, and confinement, enabling DNA origami, metallized DNA, nanopores, hydrogels, DNAzymes, molecular machines, and energy devices through integrated experimental and
Sergiy Perepelytsya   +5 more
wiley   +1 more source

Unraveling the Relevant Length and Time Scales of Elastomers in a High Strain Rate Test. [PDF]

open access: yesMacromolecules
Evans KM   +4 more
europepmc   +1 more source

A Thermodynamic Framework for Turing‐Type Instabilities in Porous Media: Part I Theory

open access: yesGeochemistry, Geophysics, Geosystems, Volume 27, Issue 3, March 2026.
Abstract Pattern formation in geological materials is commonly described using analogies to Turing‐type reaction–diffusion systems, yet a unifying thermodynamic explanation remains elusive. Here we develop a multiscale, thermodynamically consistent framework for pattern‐forming instabilities in porous media undergoing coupled thermo–hydro–mechanical ...
Klaus Regenauer‐Lieb   +5 more
wiley   +1 more source

TIE‐GCM ROPE—Part II: Dynamic Modeling

open access: yesSpace Weather, Volume 24, Issue 3, March 2026.
Abstract Forecasting thermospheric density remains a critical challenge for satellite drag modeling and space situational awareness. Building on our previously introduced Reduced Order Probabilistic Emulator framework which compresses high‐dimensional Thermosphere‐Ionosphere‐ Electrodynamics General Circulation Model outputs into a low‐dimensional ...
Anirudh Tapedia   +2 more
wiley   +1 more source

Electrochemical Water Oxidation Mechanisms Involving Macrocyclic Copper(II) Complexes: Ligand Ring Size Effects on Catalytic Cycles

open access: yesChemPhysChem, Volume 27, Issue 4, 25 February 2026.
The ring size of the ligand strongly influences electronic properties, steric effects, and coordination modes of key intermediates. Both catalysts show similar energy barriers for OO bond formation, but [Cu(12‐TMC)]2+ exhibits more complex mechanisms due to ligand reorganization.
João Pedro C. S. Neves   +3 more
wiley   +1 more source

Twisted 1‐ and 2‐Azaperopyrenes: Synthesis, Structure, and Properties

open access: yesChemistry – A European Journal, Volume 32, Issue 8, 23 February 2026.
ABSTRACT A synthesis of hitherto unknown 1‐ and 2‐azaperopyrenes, twisted nitrogen‐doped peropyrenes, is reported. The synthesis is based on a Brønsted acid‐mediated benzannulation of alkynes. Key alkyne intermediates are synthesized via two complementary routes, including a Pd/C‐catalyzed, copper‐ and amine‐free Sonogashira‐type coupling of (hetero ...
Ricardo Molenda   +4 more
wiley   +1 more source

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