Results 201 to 210 of about 162,795 (306)

Moisture‐Driven Hydrogel Power Source with Asymmetric Ion Adsorption for Flexible Electronics

open access: yesAdvanced Functional Materials, EarlyView.
A hydrogel‐based power source employing asymmetric ion‐adsorbing electrodes and moisture‐driven gradients is reported. This design enables continuous electricity generation for over 4000 minutes without significant decay and without requiring external input.
Zhaoyang Sun   +9 more
wiley   +1 more source

How important is non-ideal physics in simulations of sub-Eddington accretion on to spinning black holes? [PDF]

open access: bronze, 2017
François Foucart   +4 more
openalex   +1 more source

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

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

Introduction to Black Hole Physics

open access: yes, 2011
V. Frolov, A. Zelnikov
semanticscholar   +1 more source

High‐Yield Synthesis of Fe‐NC Electrocatalysts Using Mg2+ Templating and Schiff‐Base Porous Organic Polymers

open access: yesAdvanced Functional Materials, EarlyView.
Fe─NC porous oxygen reduction electrocatalysts are prepared employing a 2,4,6‐Triaminopyrimidine‐based porous organic polymer, a Mg2+ Lewis acid, and a low‐temperature cation exchange protocol. Using the polymer precursor achieves high pyrolysis yields and results in atomically dispersed FeNx sites. The resulting catalysts feature hierarchical porosity
Eliot Petitdemange   +11 more
wiley   +1 more source

Hagedorn temperature and physics of black holes [PDF]

open access: green, 2016
Thomas G. Mertens   +2 more
openalex   +1 more source

Single Solid‐State Ion Channels as Potentiometric Nanosensors

open access: yesAdvanced Functional Materials, EarlyView.
Single gold nanopores functionalized with mixed self‐assembled monolayers act as solid‐state ion channels for direct, selective potentiometric sensing of inorganic ions (Ag⁺). The design overcomes key miniaturization barriers of conventional ion‐selective electrodes by combining low resistivity with suppressed loss of active components, enabling robust
Gergely T. Solymosi   +4 more
wiley   +1 more source

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