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Open AccessArticle

Feedback System Control Optimized Electrospinning for Fabrication of an Excellent Superhydrophobic Surface

Institute of Process Equipment, College of Energy Engineering, Zhejiang University, Hangzhou 310027, China
State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200030, China
Authors to whom correspondence should be addressed.
Nanomaterials 2017, 7(10), 319;
Received: 20 August 2017 / Revised: 30 September 2017 / Accepted: 8 October 2017 / Published: 13 October 2017
Superhydrophobic surface, as a promising micro/nano material, has tremendous applications in biological and artificial investigations. The electrohydrodynamics (EHD) technique is a versatile and effective method for fabricating micro- to nanoscale fibers and particles from a variety of materials. A combination of critical parameters, such as mass fraction, ratio of N, N-Dimethylformamide (DMF) to Tetrahydrofuran (THF), inner diameter of needle, feed rate, receiving distance, applied voltage as well as temperature, during electrospinning process, to determine the morphology of the electrospun membranes, which in turn determines the superhydrophobic property of the membrane. In this study, we applied a recently developed feedback system control (FSC) scheme for rapid identification of the optimal combination of these controllable parameters to fabricate superhydrophobic surface by one-step electrospinning method without any further modification. Within five rounds of experiments by testing totally forty-six data points, FSC scheme successfully identified an optimal parameter combination that generated electrospun membranes with a static water contact angle of 160 degrees or larger. Scanning electron microscope (SEM) imaging indicates that the FSC optimized surface attains unique morphology. The optimized setup introduced here therefore serves as a one-step, straightforward, and economic approach to fabricate superhydrophobic surface with electrospinning approach. View Full-Text
Keywords: feedback system control (FSC); electrospinning; superhydrophobic; optimization feedback system control (FSC); electrospinning; superhydrophobic; optimization
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Yang, J.; Liu, C.; Wang, B.; Ding, X. Feedback System Control Optimized Electrospinning for Fabrication of an Excellent Superhydrophobic Surface. Nanomaterials 2017, 7, 319.

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