Surface Wettability Tuning of Acrylic Resin Photoresist and Its Aging Performance
Photoresist is the key material in the fabrication of micropatterns or microstructures. Tuning the surface wettability of photoresist film is a critical consideration in its application of microfluidics. In this work, the surface wettability tuning of acrylic resin photoresist by oxygen plasma or ul...
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MDPI AG
2021-07-01
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Series: | Sensors |
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Online Access: | https://www.mdpi.com/1424-8220/21/14/4866 |
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author | Yingying Dou Fahong Li Biao Tang Guofu Zhou |
author_facet | Yingying Dou Fahong Li Biao Tang Guofu Zhou |
author_sort | Yingying Dou |
collection | DOAJ |
description | Photoresist is the key material in the fabrication of micropatterns or microstructures. Tuning the surface wettability of photoresist film is a critical consideration in its application of microfluidics. In this work, the surface wettability tuning of acrylic resin photoresist by oxygen plasma or ultra-violet/ozone, and its aging performance in different atmospheres, were systematically studied. The chemical and physical characterizations of the surfaces before and after modification show a dramatic decrease in the C–C group and increase in surface roughness for oxygen plasma treatment, while a decrease of the C–C group was found for the UV/ozone treatment. The above difference in the surface tuning mechanism may explain the stronger hydrophilic modification effect of oxygen plasma. In addition, we found an obvious fading of the wettability tuning effect with an environment-related aging speed, which can also be featured by the decrease of the C–C group. This study demonstrates the dominated chemical and physical changes during surface wettability tuning and its aging process, and provides basis for surface tuning and the applications in microfluidics. |
first_indexed | 2024-03-10T09:23:41Z |
format | Article |
id | doaj.art-589951f6194e44cab06171c18fbf5c32 |
institution | Directory Open Access Journal |
issn | 1424-8220 |
language | English |
last_indexed | 2024-03-10T09:23:41Z |
publishDate | 2021-07-01 |
publisher | MDPI AG |
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series | Sensors |
spelling | doaj.art-589951f6194e44cab06171c18fbf5c322023-11-22T04:57:47ZengMDPI AGSensors1424-82202021-07-012114486610.3390/s21144866Surface Wettability Tuning of Acrylic Resin Photoresist and Its Aging PerformanceYingying Dou0Fahong Li1Biao Tang2Guofu Zhou3Guangdong Provincial Key Laboratory of Optical Information Materials and Technology & Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, ChinaNational Center for International Research on Green Optoelectronics, South China Normal University, Guangzhou 510006, ChinaGuangdong Provincial Key Laboratory of Optical Information Materials and Technology & Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, ChinaGuangdong Provincial Key Laboratory of Optical Information Materials and Technology & Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, ChinaPhotoresist is the key material in the fabrication of micropatterns or microstructures. Tuning the surface wettability of photoresist film is a critical consideration in its application of microfluidics. In this work, the surface wettability tuning of acrylic resin photoresist by oxygen plasma or ultra-violet/ozone, and its aging performance in different atmospheres, were systematically studied. The chemical and physical characterizations of the surfaces before and after modification show a dramatic decrease in the C–C group and increase in surface roughness for oxygen plasma treatment, while a decrease of the C–C group was found for the UV/ozone treatment. The above difference in the surface tuning mechanism may explain the stronger hydrophilic modification effect of oxygen plasma. In addition, we found an obvious fading of the wettability tuning effect with an environment-related aging speed, which can also be featured by the decrease of the C–C group. This study demonstrates the dominated chemical and physical changes during surface wettability tuning and its aging process, and provides basis for surface tuning and the applications in microfluidics.https://www.mdpi.com/1424-8220/21/14/4866photoresistcontact anglewettability tuningaging |
spellingShingle | Yingying Dou Fahong Li Biao Tang Guofu Zhou Surface Wettability Tuning of Acrylic Resin Photoresist and Its Aging Performance Sensors photoresist contact angle wettability tuning aging |
title | Surface Wettability Tuning of Acrylic Resin Photoresist and Its Aging Performance |
title_full | Surface Wettability Tuning of Acrylic Resin Photoresist and Its Aging Performance |
title_fullStr | Surface Wettability Tuning of Acrylic Resin Photoresist and Its Aging Performance |
title_full_unstemmed | Surface Wettability Tuning of Acrylic Resin Photoresist and Its Aging Performance |
title_short | Surface Wettability Tuning of Acrylic Resin Photoresist and Its Aging Performance |
title_sort | surface wettability tuning of acrylic resin photoresist and its aging performance |
topic | photoresist contact angle wettability tuning aging |
url | https://www.mdpi.com/1424-8220/21/14/4866 |
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