کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5467148 | 1518610 | 2017 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Superhydrophobic to hydrophilic transition of multi-walled carbon nanotubes induced by Na+ ion irradiation
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سطوح، پوششها و فیلمها
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چکیده انگلیسی
Multi-walled carbon nanotubes (MWCNT) having diameter in the range of 5-30â¯nm were coated on silicon wafer using spray coating technique. The coated film was irradiated with 5â¯keV Na+ at a fluence of 1â¯Ãâ¯1016â¯ions·cmâ2. A large-scale welding is observed in the post-irradiated nanotube assembly under scanning electron microscope. We have studied dynamic wetting properties of the nanotubes. While the pristine MWCNT shows superhydrophobic nature, the irradiated MWCNT turns into hydrophilic. Our simulation based on iradina and experimental evidences show defect formation in MWCNT due to ion irradiation. We have invoked mechanism based on defect mediated adsorption of water, which plays major role for transition from superhydrophobic to hydrophilic.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms - Volume 413, 15 December 2017, Pages 31-36
Journal: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms - Volume 413, 15 December 2017, Pages 31-36
نویسندگان
Pritam Das, Satyanarayan Dhal, Susanta Ghosh, Sriparna Chatterjee, Chandra S. Rout, Niranjan Ramgir, Shyamal Chatterjee,