High-Efficiency Electrospray Deposition Method for Nonconductive Substrates: Applications of Superhydrophobic Coatings
- Authors
- Rahman, Md Khalilur; Phung, Thanh Huy; Oh, Soobin; Kim, Se Hyun; Ng, Tse Nga; Kwon, Kye-Si
- Issue Date
- 21-Apr-2021
- Publisher
- American Chemical Society
- Keywords
- electrospray deposition; charged droplet; nonconductive substrate; accumulated charges; superhydrophobic coating
- Citation
- ACS Applied Materials & Interfaces, v.13, no.15, pp 18227 - 18236
- Pages
- 10
- Journal Title
- ACS Applied Materials & Interfaces
- Volume
- 13
- Number
- 15
- Start Page
- 18227
- End Page
- 18236
- URI
- https://scholarworks.bwise.kr/sch/handle/2021.sw.sch/1962
- DOI
- 10.1021/acsami.0c22867
- ISSN
- 1944-8244
1944-8252
- Abstract
- When highly insulating materials are used as substrates for electronic devices, manufacturing yields become worse, and electronic components are often damaged due to undissipated electrostatic charges on such substrates. In the case of electrospray deposition, the problem of undissipated charges is particularly vexing. If charges accumulated on the substrate are not properly compensated, a repulsive force is generated against the incoming charged droplets, which negatively affects the uniformity and deposition rate of the coating layer. In order to overcome this limitation, we demonstrated a new electrospray method, which can significantly increase the deposition efficiency even in the presence of accumulated charges on nonconductive substrates. A highly reliable superhydrophobic layer was uniformly deposited on highly insulating substrates, including printed circuit board (PCB), polyester (PET), and polyimide (PI) substrates.
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Collections - College of Engineering > Department of Mechanical Engineering > 1. Journal Articles
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