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Atmospheric pressure plasma-assisted green synthesis of amphiphilic SiO2 Janus particles |
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| Institution: | 1. Faculty of Medicine and Health, Ministry of Education, Harbin Institute of Technology, XiDaZhi Street 92, Mingde Building, Harbin 150001, PR China;2. Tomsk Polytechnic University, 30 Lenin Avenue, Tomsk 634050, Russian Federation;3. School of Physics, Yikuang Street 2, 2H Harbin Institute of Technology, Harbin 150080, PR China;1. Physikalische Chemie I, Universität Bayreuth, 95440 Bayreuth, Germany;2. BIMF, Universität Bayreuth, 95440 Bayreuth, Germany;3. Advanced Materials & Systems Research, BASF SE, 67056 Ludwigshafen, Germany;4. Institut für Organische Chemie, Johannes Gutenberg Universität Mainz, 55099 Mainz, Germany |
| Abstract: | A facile green approach for the synthesis of amphiphilic SiO2 Janus particles using low temperature atmospheric pressure plasma is reported in this study. Monodispersed SiO2 particles were masked by embedding half of their surface inside a polystyrene film. The exposed surfaces of the SiO2 particles were readily modified using He/CF3CFH2 low-temperature atmospheric pressure plasma to obtain amphiphilic Janus particles. Their amphiphilic nature was confirmed using fluorescent microscopy by tagging their hydrophilic part with a fluorescent dye. The present method can be used to generate amphiphilic Janus particles with a variety of functionalities, which may find applications as surfactants and surface modifying agents. |
| Keywords: | Hydrophilic Hydrophobic FITC Atmospheric pressure plasma |
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