Tunable phase behaviors of diblock copolyelectrolytes under alternating electric fields: A coarse-grained molecular dynamics study

The Journal of Chemical Physics, Journal Year: 2025, Volume and Issue: 162(1)

Published: Jan. 2, 2025

Diblock copolyelectrolytes have significant potential in applications such as solid-state single-ion conductors, but precisely controlling their nanostructures for efficient ion transport remains a challenge. In this study, we explore the phase behavior and microphase transitions of AX BY-type diblock under alternating electric fields using coarse-grained molecular dynamics simulations. We systematically investigate effects various field features, including unipolar bipolar square-waves, well offset non-offset sine-waves, focusing on how strength period influence self-assembling morphology copolyelectrolytes. Under both lamellar cylindrical regions expand, while disordered shrink increases. contrast, square-waves maintain structures more robustly, with reversed stretching observed polymer chains. As exceeds critical value, waveforms converge results seen constant fields. addition, sine-waves induce smoother transitions, expanding ordered regions, particularly phase, due to continuous variation. further examine detailed structural dynamic properties, mean-square displacement, conformation, chain orientation during these transitions. This work provides fundamental insights into regulation oscillating fields, guiding design advanced polymeric electrolytes tailored nanostructures.

Language: Английский

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Creep-Resistant Covalent Adaptable Networks with Excellent Self-Healing and Reprocessing Performance via Phase-Locked Dynamic Covalent Benzopyrazole-Urea Bonds

Chinese Journal of Polymer Science, Journal Year: 2024, Volume and Issue: 42(10), P. 1545 - 1556

Published: Aug. 27, 2024

Language: Английский

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Effect of Bamboo Nodes on the Mechanical Properties of Phyllostachys iridescens

Forests, Journal Year: 2024, Volume and Issue: 15(10), P. 1740 - 1740

Published: Oct. 2, 2024

Bamboo is a significant natural resource, recognized for its rapid growth, lightweight composition, high strength, and excellent mechanical properties, making it increasingly valuable in the furniture construction industries. A critical structural aspect of bamboo nodes, yet there has been limited research on their impact bamboo’s properties. This study investigates properties round tubes three different states: internodes (S1), nodes with diaphragm removed (S2), (S3). The results show that S1 are compressive strength (CS) 29.72 MPa, shear parallel to grain (SSp) 11.82 radial stiffness (Sr) 155.59 an toughness (IT) 20.74 kJ/m2, modulus rupture (MOR) 16.45 elasticity (MOE) 408.53 tensile (MORT) 189.62 (MOET) 431.05 MPa. Compared S1, these above parameters change by CS +11%, SSp 6%, Sr +100%, IT −29%, MOR +5%, MOE +63%, MORT MOET −58% S2 +10%, 28%, +250%, −31%, +28%, +92%, −25%, −42% S3. It demonstrates significantly influence bamboo; they have positive effect bending across transverse grain, ring stiffness, along but negatively grain.

Language: Английский

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A visco-hyperelastic constitutive model of hydrogel considering the coupling effect between segment motion and interchain slippage

Journal of the Mechanics and Physics of Solids, Journal Year: 2024, Volume and Issue: unknown, P. 105996 - 105996

Published: Dec. 1, 2024

Language: Английский

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