Revealing Optical Properties of Amorphous Two-Dimensional Colloidal Nanosheets for Altering Nanochannels

Rahul  Singh; Seung-Young  Choi; Sungmin  Cho; Majid  Shahbabaei

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Revealing Optical Properties of Amorphous Two-Dimensional Colloidal Nanosheets for Altering Nanochannels

机译：揭示无定形二维胶体纳米片的光学性质改变纳米

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摘要

The metastable state of any solution is a key component for achieving well-distributed nanochannels in membrane technology. This state affects the robustness and performance of the membrane in the long run in electrochemical systems. Here, we describe a method for producing a stable colloidal solution of amorphous metal-free nanosheets for the preparation of hybrid membranes. We demonstrate that the colloidal suspension hardly affects the width of the nanochannel in the membrane under the hydrated condition. We further show that the scattering of light in a colloidal suspension provides insights into the interaction between the nanosheet and the ionomer. Under the hydrated condition, a significant increase in the diffusion coefficient with efficient radial distribution between two different particles is noticed. A stable suspension of amorphous 2D nanosheets in the ionomer solution not only avoids the deteriorating mechanical stability of the membrane but also acts as an active material for reducing fuel crossover in the electrochemical cell.

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来源
《ACS Sustainable Chemistry & Engineering》 |2020年第46期|共10页
作者
Rahul Singh; Seung-Young Choi; Sungmin Cho; Majid Shahbabaei;
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作者单位

Department of Mechanical Engineering Sogang University;

Department of Chemical and Biomolecular Engineering Hybrid Electronics Material Lab Sogang University;

Department of Chemical and Biomolecular Engineering Hybrid Electronics Material Lab Sogang University;

Department of Mechanical Engineering Sogang University;

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原文格式 PDF
正文语种 eng
中图分类化学工业;
关键词
colloidal suspension; hydration; hydrophilic; 2D nanosheet; nanochannel;

机译：胶体悬浮液;水合;亲水;2D纳米片;纳米通道;

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Revealing Optical Properties of Amorphous Two-Dimensional Colloidal Nanosheets for Altering Nanochannels

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