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Exceptionally robust and conductive superhydrophobic free-standing films of mesoporous carbon nanocapsule/polymer composite for multifunctional applications
Indian Institute of Technology, India.
2015 (English)In: Carbon, ISSN 0008-6223, E-ISSN 1873-3891, Vol. 93, no 8, 492-501 p.Article in journal (Refereed) PublishedText
Abstract [en]

A novel mesoporous carbon nanocapsule (MCC)/polyvinylidene fluoride (PVDF) polymer composite based free-standing film with multifunctional properties is fabricated by a facile solution approach that is appropriate for dip coating, brush-on and spray applications. The MCC/PVDF composite film exhibits superhydrophobic properties with a water contact angle of approximately 160° and a sliding angle of 5°. The films have a high thermal stability (up to 350 °C in oxidative atmosphere) and are also electrically conductive (tunable from ∼10−3 S m−1 to 10−2 S m−1). The superhydrophobicity is retained even in highly corrosive acidic and basic conditions (pH 1.29–13.54, concentrated HNO3 exposure and ammonium hydroxide solution), as well in a wide humidity range (35–83%). The mesoporous carbon containers (∼100 nm–1 μm size) also provide an interesting platform for encapsulating a variety of functional nanomaterials and activate release, thereby adding to the multi-functionality of the superhydrophobic conductive films of exceptional environmental stability, mechanical strength (∼0.1 GPa) and flexibility.

Place, publisher, year, edition, pages
Elsevier, 2015. Vol. 93, no 8, 492-501 p.
National Category
Manufacturing, Surface and Joining Technology
Identifiers
URN: urn:nbn:se:kth:diva-182240DOI: 10.1016/j.carbon.2015.05.086ISI: 000360292100052ScopusID: 2-s2.0-84938576566OAI: oai:DiVA.org:kth-182240DiVA: diva2:904174
Note

QC 20160415

Available from: 2016-02-18 Created: 2016-02-18 Last updated: 2016-04-15Bibliographically approved

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Mittal, Nitesh
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