Characterizing the bifurcating configuration of hydrogen bonding network in interfacial liquid water and its adhesion on solid surfaces

Zhao, Lei; Cheng, Jiangtao

doi:10.1039/c9ra02578b

Cited by 5 publications

(3 citation statements)

References 44 publications

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“…The hydrogen bonds were calculated according to the geometric standard for forming hydrogen bonds, the distance between the hydrogen atom forming the hydrogen bond and the acceptor was less than 2.5 Å, and the angle between the donor-hydrogen-receptor was greater than 90°to calculate the number of hydrogen bonds. 38 As expected, the (010) surface had the highest hydrogen bond density and was the lowest at the (100) surface. These differences can be attributed to the molecular structure of the cellulose surface.…”

Section: Interfacial Adhesionsupporting

confidence: 68%

“…Figure shows the area density of hydrogen bonds (the number of hydrogen bonds per unit area) formed by PLA and different kinds of hydroxyl groups at the interface of the composites. The hydrogen bonds were calculated according to the geometric standard for forming hydrogen bonds, the distance between the hydrogen atom forming the hydrogen bond and the acceptor was less than 2.5 Å, and the angle between the donor-hydrogen-receptor was greater than 90° to calculate the number of hydrogen bonds . As expected, the (010) surface had the highest hydrogen bond density and was the lowest at the (100) surface.…”

Section: Resultsmentioning

confidence: 99%

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Interfacial Adhesion of Polylactic Acid on Cellulose Surface: A Molecular Dynamics Study

Ren

Guo

et al. 2019

ACS Appl. Mater. Interfaces

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Interfacial bonding and adhesion mechanisms are important in determining the final properties of the polymer composite. Molecular dynamics (MD) simulations have been used to characterize the interfacial structure and adhesion behavior of crystalline cellulose planes in contact with polylactic acid. The structure of the PLA at the interface exhibits a shape that can accommodate the structure of the cellulose surface. The adhesion between the PLA and the cellulose surface is affected by the polarity of the functional groups and the surface roughness. The improved adhesion is primarily due to hydrogen bonds formed between the cellulose and PLA molecular chains. Cellulose planes with higher molecular protrusions and greater surface roughness produce stronger adhesion to PLA due to enhanced hydrogen bonding. This study provides a basic insight into the interfacial mechanisms of PLA and cellulose surfaces at the molecular level.

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Section: Interfacial Adhesionsupporting

confidence: 68%

Section: Resultsmentioning

confidence: 99%

Interfacial Adhesion of Polylactic Acid on Cellulose Surface: A Molecular Dynamics Study

Ren

Guo

et al. 2019

ACS Appl. Mater. Interfaces

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“…In addition, the interfacial energy is related to this force. The surface molecules are attracted by the internal molecules of the liquid, and are pulled toward the liquid inside, so the surface tends to contract actively and hence to have a higher interfacial energy 78 . As shown in Fig.…”

Section: Resultsmentioning

confidence: 99%

Supercooled erythritol for high-performance seasonal thermal energy storage

Yang,

Shi,

Liu

et al. 2024

Nat Commun

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Seasonal storage of solar thermal energy through supercooled phase change materials (PCM) offers a promising solution for decarbonizing space and water heating in winter. Despite the high energy density and adaptability, natural PCMs often lack the necessary supercooling for stable, long-term storage. Leveraging erythritol, a sustainable mid-temperature PCM with high latent heat, we introduce a straightforward method to stabilize its supercooling by incorporating carrageenan (CG), a bio-derived food thickener. By improving the solid-liquid interfacial energy with the addition of CG the latent heat of erythritol can be effectively locked at a very low temperature. We show that the composite PCM can sustain an ultrastable supercooled state below −30 °C, which guarantees no accidental loss of the latent heat in severe cold regions on Earth. We further demonstrate that the common ultrasonication method can be used as the key to unlocking the latent heat stored in the CG-thickened erythritol, showing its great potential to serve as a high-performance, eco-friendly PCM for long-term seasonal solar energy storage.

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Deciphering anomalous dielectric traits of nanoconfined water and its roles in modeling crystalline swelling of bentonite

Dai,

Chen,

et al. 2024

Acta Geotech.

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Characterizing the bifurcating configuration of hydrogen bonding network in interfacial liquid water and its adhesion on solid surfaces

Abstract: Bifurcating configuration of hydrogen bonding network in interfacial liquid water influences its adhesion on solid surfaces.

Cited by 5 publications

References 44 publications

Interfacial Adhesion of Polylactic Acid on Cellulose Surface: A Molecular Dynamics Study

Interfacial Adhesion of Polylactic Acid on Cellulose Surface: A Molecular Dynamics Study

Supercooled erythritol for high-performance seasonal thermal energy storage

Deciphering anomalous dielectric traits of nanoconfined water and its roles in modeling crystalline swelling of bentonite

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