PRODUCTION OF SUPER HYDROPHOBIC COPPER SURFACES BY FABRICATING MICRO-NANO FEATURES USING WET ETCHING PROCESS

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AHMADI BEHNAM; TALESH BAHRAMI HAMID REZA; SAFFARI HAMID

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Journal: Modares Mechanical Engineering Year:2016 | Volume:16 | Issue:5 Page(s): 389-395

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Title

PRODUCTION OF SUPER HYDROPHOBIC COPPER SURFACES BY FABRICATING MICRO-NANO FEATURES USING WET ETCHING PROCESS

Author(s)

AHMADI BEHNAM | TALESH BAHRAMI HAMID REZA | SAFFARI HAMID | Issue Writer Certificate

Keywords

SUPER HYDROPHOBICITYQ1

WET ETCHINGQ1

MICRO-NANO STRUCTURESQ1

ROSE PETAL EFFECTQ1

LOTUS EFFECTQ1

Abstract

Super hydrophobic surfaces receive many applications in various industries such as desalinization, heat exchanger, anti-fog and self-cleaning surface production. In this study a WET ETCHING process was used to produce super hydrophobic copper surfaces. The specimens were etched by multiple ferric chloride and deionized water solutions to create MICRO-NANO STRUCTURES on their surfaces. The electronic scanning electron microscopy (SEM) images of the resulted surfaces show a formation of MICRO-NANO STRUCTURES with specific templates. Contact and sliding angle measurement of surfaces after etching process showed that contact angles of specimens increased to nearly 140o while sliding angle of all samples was 180o, which is the same as a rose petal property. In the next step, to promote hydrophobicity of surfaces, increased contact angle and decreased sliding angle specimens were immersed in an ethanol and stearic acid solution with a specific concentration. Moreover, effects of etching time and etchant concentration on the sliding and contact angles with/without stearic acid modification were investigated. Results show that contact angles increased and sliding angles decreased remarkably so that it reduced to lower than 10o in some cases and LOTUS EFFECT was achieved.

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APA: Copy

AHMADI, BEHNAM, TALESH BAHRAMI, HAMID REZA, & SAFFARI, HAMID. (2016). PRODUCTION OF SUPER HYDROPHOBIC COPPER SURFACES BY FABRICATING MICRO-NANO FEATURES USING WET ETCHING PROCESS. MODARES MECHANICAL ENGINEERING, 16(5), 389-395. SID. https://sid.ir/paper/177923/en

Vancouver: Copy

AHMADI BEHNAM, TALESH BAHRAMI HAMID REZA, SAFFARI HAMID. PRODUCTION OF SUPER HYDROPHOBIC COPPER SURFACES BY FABRICATING MICRO-NANO FEATURES USING WET ETCHING PROCESS. MODARES MECHANICAL ENGINEERING[Internet]. 2016;16(5):389-395. Available from: https://sid.ir/paper/177923/en

IEEE: Copy

BEHNAM AHMADI, HAMID REZA TALESH BAHRAMI, and HAMID SAFFARI, “PRODUCTION OF SUPER HYDROPHOBIC COPPER SURFACES BY FABRICATING MICRO-NANO FEATURES USING WET ETCHING PROCESS,” MODARES MECHANICAL ENGINEERING, vol. 16, no. 5, pp. 389–395, 2016, [Online]. Available: https://sid.ir/paper/177923/en

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