Investigation of dielectric constants of water in a nano-confined pore

Zhu Haochen; Yang Fengrui; Zhu Yunjie; Li Aihua; He Wenzhi; Huang Juwen; Li Guangming

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Investigation of dielectric constants of water in a nano-confined pore

机译：纳米密闭孔中水介质常数调查

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We report the dielectric properties of pure water confined in a silica hydrophilic nanopore determined from the computation of the density of liquid in the confined phase by the grand canonical Monte Carlo (GCMC) simulations. The silica cylindrical nanopore is divided into n concentric radial shells to get a better insight into the dielectric properties of nanoconfined water. We find that the average values of the dielectric constants are very close and almost independent of the number of concentric radial shells. The decrease in the dielectric constant of confined pure water is due to the strong orientation of water dipoles in the vicinity of the surface while water dipoles do not exhibit any preferential orientation in bulk phase.

机译：我们报告了在大型广泛规范蒙特卡罗（GCMC）模拟中由狭窄相位的液体密度计算确定的二氧化硅亲水纳米孔中纯净的纯水的介电性质。二氧化硅圆柱形纳米孔分为N同心径向壳，以更好地了解纳米污水水的介电性能。我们发现介电常数的平均值非常紧密，几乎与同心径向壳的数量无关。受限纯水的介电常数的降低是由于表面附近的水偶极子的强烈取向，而水偶极子在体相中没有表现出任何优先取向。

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来源
《RSC Advances》 |2020年第15期|共8页
作者
Zhu Haochen; Yang Fengrui; Zhu Yunjie; Li Aihua; He Wenzhi; Huang Juwen; Li Guangming;
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作者单位

Tongji Univ State Key Lab Pollut Control &

Resources Reuse Coll Environm Sci &

Engn 1239 Siping Rd Shanghai 200092 Peoples R China;

Tongji Univ State Key Lab Pollut Control &

Resources Reuse Coll Environm Sci &

Engn 1239 Siping Rd Shanghai 200092 Peoples R China;

Tongji Univ State Key Lab Pollut Control &

Resources Reuse Coll Environm Sci &

Engn 1239 Siping Rd Shanghai 200092 Peoples R China;

Tongji Univ State Key Lab Pollut Control &

Resources Reuse Coll Environm Sci &

Engn 1239 Siping Rd Shanghai 200092 Peoples R China;

Tongji Univ State Key Lab Pollut Control &

Resources Reuse Coll Environm Sci &

Engn 1239 Siping Rd Shanghai 200092 Peoples R China;

Tongji Univ State Key Lab Pollut Control &

Resources Reuse Coll Environm Sci &

Engn 1239 Siping Rd Shanghai 200092 Peoples R China;

Tongji Univ State Key Lab Pollut Control &

Resources Reuse Coll Environm Sci &

Engn 1239 Siping Rd Shanghai 200092 Peoples R China;

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正文语种 eng
中图分类化学;
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1. Investigation of dielectric constants of water in a nano-confined pore [J] . Zhu Haochen, Yang Fengrui, Zhu Yunjie, RSC Advances . 2020,第15期

机译：纳米密闭孔中水介质常数调查
2. Theoretical Investigation into Effects of Pore Size and Pore Position Distributions on Dielectric Constant and Elastic Modulus of Two-Dimensional Periodic Porous Silica Films [J] . Hidenori MIYOSHI, Nobuhiro HATA, Takamaro KIKKAWA Japanese Journal of Applied Physics. Part 1, Regular Papers & Short Notes . 2005,第3期

机译：孔尺寸和孔位置分布对二维周期性多孔硅膜介电常数和弹性模量影响的理论研究
3. Theoretical Investigation of Dielectric Constant and Elastic Modulus of Three-Dimensional Isotropic Porous Silica Films with Cubic and Disordered Pore Arrangements [J] . Hidenori Miyoshi, Kazuhiro Yamada, Kazuo Kohmura, Japanese Journal of Applied Physics. Part 1, Regular Papers, Brief Communications & Review Papers . 2005,第8期

机译：具有立方和无序孔排列的三维各向同性多孔二氧化硅薄膜的介电常数和弹性模量的理论研究
4. An Investigation Of The Relationship Between Tree Water Potential And Dielectric Constant [C] . McDonald K.C., Zimmerman R., Institute of Electric and Electronic Engineer International Geoscience and Remote Sensing Symposium . 2001

机译：树水电位与介电常数关系的研究
5. Investigations of the low-dielectric-constant fluorinated polyimide for use as the interlayer dielectric in ULSI. [D] . Lee, Yong Keun. 1996

机译：低介电常数的氟化聚酰亚胺用作ULSI中的层间电介质的研究。
6. Experimental Investigation of the Dielectric Constants of Thin Noble Metallic Films Using a Surface Plasmon Resonance Sensor [O] . Longbiao Tao, Shuo Deng, Hongyun Gao, 2020

机译：表面等离子体共振传感器对贵金属薄膜介电常数的实验研究
7. Investigation of dielectric constants of water in a nano-confined pore [O] . Haochen Zhu, Fengrui Yang, Yunjie Zhu, 2020

机译：纳米密闭孔中水介质常数调查

Investigation of dielectric constants of water in a nano-confined pore

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