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Title: | Direct synthesis of electrowettable nanostructured hybrid diamond | Authors: | Deshmukh, Sujit KAMATCHI JOTHIRAMALINGAM, Sankaran Banerjee, Debosmita Yeh, Chien-Jui Leou, Key-Chyang Phase, Deodatta Maheshwar Gupta, Mukul Lin, I-Nan HAENEN, Ken Roy, Susanta Sinha Waghmare, Prashant R. |
Issue Date: | 2019 | Publisher: | ROYAL SOC CHEMISTRY | Source: | JOURNAL OF MATERIALS CHEMISTRY A, 7(32), p. 19026-19036 | Abstract: | The possibilities of precise control over the wetting characteristics of carbon-based hybrid nanostructures consisting of both sp(2) and sp(3) hybridized carbons using the electrowetting technique were demonstrated. An excellent polarity-dependent electrowetting behavior in the presence of an electrolyte followed an abrupt transition from the highly hydrophobic (contact angle similar to 142 degrees) Cassie-Baxter states to a hydrophilic (similar to 30 degrees) Wenzel state, where diamond films acted as the anode. In addition, we also reported a remarkable transition from weakly hydrophobic to nearly superhydrophobic diamond nanostructures by chemical and morphological manipulations. The unique structural properties with precisely tailored morphology and surface roughness enabled such transitions on the nanostructured surface. This approach of preparing environmental stable hydrophobic surfaces with polarity-dependent wetting and precise control of the wetting mode transition could be used in numerous applications such as the electrochemical transport of liquids, supercapacitors, and low-friction microfluidics. | Notes: | [Deshmukh, Sujit; Banerjee, Debosmita; Roy, Susanta Sinha] Shiv Nadar Univ, Sch Nat Sci, Dept Phys, NH-91, Greater Noida 201314, Uttar Pradesh, India. [Deshmukh, Sujit; Waghmare, Prashant R.] Univ Alberta, Dept Mech Engn, iSSELab, Edmonton, AB T6G 2G8, Canada. [Sankaran, Kamatchi Jothiramalingam; Haenen, Ken] Hasselt Univ, Inst Mat Res IMO, Diepenbeek, Belgium. [Sankaran, Kamatchi Jothiramalingam; Haenen, Ken] IMEC VZW, IMOMEC, Diepenbeek, Belgium. [Yeh, Chien-Jui; Leou, Key-Chyang] Natl Tsing Hua Univ, Dept Engn & Syst Sci, Hsinchu, Taiwan. [Phase, Deodatta Maheshwar; Gupta, Mukul] UGC DAE Consortium Sci Res, Univ Campus,Khandw Rd, Indore 452017, Madhya Pradesh, India. [Lin, I-Nan] Tamkang Univ, Dept Phys, Tamsui, Taiwan. | Document URI: | http://hdl.handle.net/1942/30085 | ISSN: | 2050-7488 | e-ISSN: | 2050-7496 | DOI: | 10.1039/c9ta04165f | ISI #: | 000481578000029 | Rights: | The Royal Society of Chemistry 2019 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2020 |
Appears in Collections: | Research publications |
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