Research Results

The Research Reports of PI Lab.: 

https://drive.google.com/file/d/1ZuzXFLyGVf3wTk4yjHMzEgTq9NYriCnb/view?usp=sharing

According to the medical report made by The New England Journal of Medicine, the COVID-19 coronavirus can survive on the outer side of solid substrates for several days, depending on the type of substrate. Several studies dealing with killing bacteria or viruses used dry/wet thermal method, high-pressure/high-temperature chamber, UVC irradiation, sodium hypochlorite water, and ethyl alcohol. However, the materials used in facial masks are not thermally durable, which will damage the hydrophobic outer surface and electrostatic filter layer, degrading the function of the facial masks. We reported a feasible method for treating the facial masks by irradiating the atmospheric pressure plasma (APP), which was also integrated with the robotic arm and automation control unit. The optimization process of an automated APP system using compressed dry air as the working gas was proposed. The results demonstrated that the sterilizing effect and the removal of odors on facial masks without any physical damage were feasibly achieved. APP systems have many potential applications in treating objects for biomedical purposes, and they also offer advantages such as cost-effectiveness in using air as a working gas and a low-temperature process without visible damage to treated objects.

Journal: https://www.airitilibrary.com/Article/Detail?DocID=10195440-202106-202107050017-202107050017-50-59

We proposed using a novel rapid plasma-assisted nitriding process on SKD11 tool steel by an atmospheric pressure plasma jet. The plasma-assisted nitriding process on SKD11 tool steels by atmospheric pressure plasma jet is proposed to enhance their mechanical properties and lifetime. The crucial effects of the ratio of N2/H2 mixture gases, working temperature, and working time for the atmospheric-pressure-plasma-jet-induced rapid thermal nitridation process are individually investigated. Firstly, SKD11 tool steels are surface hardened by changing the N2/H2 mixture gas ratios. Integrating optical emission spectroscopy to detect plasma species is implemented to elaborate on the formation mechanism of the plasma-assisted nitriding layer. Further, we will investigate the effect of plasma power, which virtually induces the variation of plasma-assisted nitriding temperature, in combination with the determination of the domain zone of operation of SKD11 tool steel. Correlating the effect of treatment time to assess the hardness-tunable process and establishing the kinetics of the plasma-assisted nitriding process on SKD11 tool steel is accordingly implemented. 

Journal: https://www.sciencedirect.com/science/article/abs/pii/S0257897224004481

Journal: https://www.mdpi.com/2079-6412/11/9/1119

Patent: 金屬表面處理的方法 (中華民國發明專利 I882383)

 梯度材料層及其製造方法 (中華民國發明專利 I729344)

 Gradient material layer and method for manufacturing the same (US Patent 11124867)

The atmospheric-pressure plasma hydrophilic treatment utilizes air as the primary gas source and incorporates a conveyor belt setup to achieve large-area hydrophilic treatment of carbon felt. This technology has been jointly developed in collaboration with Click Sun-Shine Corp., Taiwan, aiming to translate existing academic research into practical industrial applications. It is primarily employed for surface treatment of electrodes in vanadium redox flow batteries to enhance power generation efficiency.

Journal: https://www.sciencedirect.com/science/article/abs/pii/S0169433225005884

Renewable energy has become a key player in the global push toward net-zero emissions. However, the intermittent nature of sources like solar and wind energy leads to fluctuations in energy supply that threaten grid stability. Therefore, a VRFB is a promising solution; however, the electrode materials lack hydrophilicity, active sites, and conductivity. In this project, we develop a catalyst metal oxide using a green and scalable method, direct deposition by APPJ. This technology has been jointly developed in collaboration with Click Sun-Shine Corp., Taiwan, aiming to translate existing academic research into practical industrial applications.This approach is not only environmentally friendly but also well-suited for industrial-scale fabrication. 

-Energy Materials-

Surface Engineering on Ceramics for Energy Systems

Journal: https://www.sciencedirect.com/science/article/abs/pii/S0169433225005884

   https://www.sciencedirect.com/science/article/abs/pii/S0013468622010556

   https://www.sciencedirect.com/science/article/abs/pii/S0257897220314808

        https://www.sciencedirect.com/science/article/abs/pii/S0272884220326833

   https://www.sciencedirect.com/science/article/abs/pii/S0272884218313166

   https://www.sciencedirect.com/science/article/abs/pii/S0272884218303675

   https://www.sciencedirect.com/science/article/abs/pii/S0169433223016975

   https://www.sciencedirect.com/science/article/abs/pii/S0257897224002780

   https://www.sciencedirect.com/science/article/abs/pii/S0921883123001723

   https://www.mdpi.com/1996-1944/14/11/2777

   https://www.mdpi.com/2073-4344/11/5/627

-Biomedical Engineering-

Surface Modification for Biomedical Engineering

Journal: https://www.sciencedirect.com/science/article/abs/pii/S0257897224011162

        https://www.mdpi.com/2079-4983/16/3/106

   https://www.sciencedirect.com/science/article/pii/S1991790224003180

   https://www.sciencedirect.com/science/article/abs/pii/S004060902030362X

-BGA Process-

Solder Wetability for IC BGA Package

Journal: https://www.sciencedirect.com/science/article/abs/pii/S2468023022005478

       https://ieeexplore.ieee.org/abstract/document/9717937

   https://ieeexplore.ieee.org/abstract/document/9159388

         https://ieeexplore.ieee.org/abstract/document/8811265

Traditional searing methods utilize gas torches fueled by hydrocarbons, lacking carbon reduction benefits. Plasma searing employs air to treat raw fish fillets, achieving comparable results. Further validation of food safety effects is underway, with hopes of developing a practical Japanese cuisine processing machine.

Aburi (炙り/あぶり in Japanese), meaning "seared" or "torched," is a culinary technique characterized by rapidly heating the surface of ingredients with a high-temperature flame, typically using a specialized gas torch. Originating from Japanese cuisine, aburi imparts a slightly charred, golden-brown or dark brown surface to the ingredients while preserving their internal tenderness and enhancing their aroma and flavor. Commonly applied to sushi, tuna, salmon, beef, and scallops, aburi adds a smoky aroma, softens surface fats, and creates a crispy exterior and tender interior, elevating the overall flavor profile.

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