Detailed Information

Cited 0 time in webofscience Cited 0 time in scopus
Metadata Downloads

Effect of surface charge density of graphene oxide on chemical warfare agent simulants blocking

Authors
YOUNA KIMMOONHYUN CHOIJIWOONG HEOSUNGWONJUNGDongwon KaHeesoo JungSangmin LeeYoungho JinJINKEE HONG
Issue Date
Mar-2022
Publisher
ELSEVIER SCIENCE BV
Keywords
Graphene oxide; CWAs; Multilayer LbL film; Protective membrane
Citation
APPLIED SURFACE SCIENCE, v.579, pp.152225-1 - 152225-8
Journal Title
APPLIED SURFACE SCIENCE
Volume
579
Start Page
152225-1
End Page
152225-8
URI
https://yscholarhub.yonsei.ac.kr/handle/2021.sw.yonsei/6273
DOI
10.1016/j.apsusc.2021.152225
ISSN
0169-4332
Abstract
Chemical warfare agents (CWAs) cause death, injury, temporary disability, and sensory stimulation when they come in contact with the skin or the respiratory system. CWAs move by diffusion; therefore, it is essential to control the pathways that they traverse. CWAs move through the spaces between graphene oxide (GO) sheets within a stacked GO film. Here, we demonstrate that GO nanosheets with high surface charge density offer protection performance. Our results reveal that the interlayer distance between the GO nanosheets depends on the surface charge density of the GO nanosheets. The protective effect of GO membranes is investigated using vapor transmittance rates (DVTRs) of dimethyl methylphosphonate (DMMP), a nerve gas simulant, and water vapor transmittance rates (WVTRs). The DVTR of GO membrane is decreased from 213.24 g/m2 day to 132.48 g/m2 day as the distance narrows. These results demonstrate that applying extremely thin GO membranes to protective clothing and masks can prevent the diffusion of CWAs even without special treatment.
Files in This Item
There are no files associated with this item.
Appears in
Collections
College of Engineering > Chemical Engineering > 1. Journal Articles

qrcode

Items in Scholar Hub are protected by copyright, with all rights reserved, unless otherwise indicated.

Related Researcher

Researcher ,  photo

,
College of Engineering (Chemical Engineering)
Read more

Altmetrics

Total Views & Downloads

BROWSE