Abstract
Hexagonal shaped cobalt based nanoplates in polyacrylonitrile nanofibers were facilely prepared. For this purpose, cobalt chloride containing polyacrylonitrile nanofibers were produced via electrospinning technique. As spun nanofibers were than soaked and treated in H2S at an ambient condition. Chemical interaction between cobalt chloride and H2S in polyacrylonitrile nanofibers leads to formation of hexagonal nanoplates in the nanofibers. As-spun and threaded nanofibers were characterized with a scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS). Beside the preparation of this functional fancy nanostructure, the study can be considered as a process for detection and removal of H2S which is highly toxic chemical and commonly used in the industry
References
- Aykut, Y. (2013). Electrospun MgO-loaded carbon nanofibers: Enhanced field electron emission from the fibers in vacuum, Journal of Physics and Chemistry of Solids, 74 (2), 328-33.
- Chen, L. J. (2011). Synthesis and Characterization of PVP/LiCoO2 Nanofibers by Electrospinning Route, Journal of Applied Polymer Science, 121, 154-160.
- Hullavarad, S. S. (2007). Homo- and hetero-epitaxial growth of hexagonal and cubic MgxZn1−x O alloy thin films by pulsed laser deposition technique, J. Phys. D: Appl. Phys., 40, 4887–4895.
- Kim, Y. (2007). In Situ Formation of Silver Nanoparticles Within an Amphiphilic Graft Copolymer Film, Journal of Polymer Science: Part B: Polymer Physics, 45, 1283–1290.
- Liu, Z. (2011). In situ synthesis of gold nanoparticles on porous polyacrylonitrilenanofibers for sensing applications, Analyst, 21(136), 4545-4551.
- Qian, Z. (2012). Industrial Applied and Modeling Research on Selective H2S Removal Using a Rotating Packed Bed, Ind. Eng. Chem. Res., 51, 8108-8116.
- Skrzypski, J. (2011). Low Temperature H2S Removal with Metal-Doped Nanostructure ZnO Sorbents: Study of the Origin of Enhanced Reactivity in Cu-Containing Materials, Ind. Eng. Chem. Res. 2011, 50, 5714-5722.
- Zhao, Y. (2012). Electrospun carbon nanofibrous mats surface-decorated with Pd nanoparticles via the supercritical CO2 method for sensing of H, RSC Advances, 27(2), 10195-10199.
- Makale 01.12.2012 tarihinde alınmış, 03.07.2013 tarihinde düzeltilmiş, 04.07.2013 tarihinde kabul edilmiştir.
Abstract
Son yıllardaki yeni nano üretim ve karakterizasyon tekniklerindeki gelişmeler mevcut birçok malzemenin nano boyutta üretilmesine imkân sağlamış ve üretilen nanomalzemelerin cihazlarda kullanımıyla cihazların verimliliklerinde artışlara imkân sağlamıştır. İstenen birden fazla özelliğin eldesi ise nano hetero yapıların üretilmesiyle mümkündür. Yapılan bu çalışmamızda elektro çekim yöntemiyle kobalt klorür/poliakrilonitril (CoCl2/PAN) kompozit nanolifler üretilmiş ve üretilen liflerin hidrojen sülfüre (H2S) karşı olan tepkisi araştırılmıştır. CoCl2/PAN nanoliflerin H2S ile muamelesinde kobalt tuzunun yapısındaki kobalt iyonları çökelerek nanolifler içerisinde altıgen şekilde kobalt bileşenli nanoplakaların oluştuğu gözlemlenmiştir. Üretilen kompozit nanoliflerin morfolojik özellikleri taramalı elektron mikroskobuyla (SEM) ile elementel analizleri ise X-ray fotoelektron spektra (XPS) tekniğiyle incelenmiştir. Elde edilen bulgularla CoCl2/PAN nanoliflerle toksik bir kimyasal olan H2S in tespiti ve uzaklaştırılmasının mümkün olmasının yanı sıra nanolif içerisinde fonksiyonel başka bir nano yapının üretilebileceği sonucuna varılmıştır
References
- Aykut, Y. (2013). Electrospun MgO-loaded carbon nanofibers: Enhanced field electron emission from the fibers in vacuum, Journal of Physics and Chemistry of Solids, 74 (2), 328-33.
- Chen, L. J. (2011). Synthesis and Characterization of PVP/LiCoO2 Nanofibers by Electrospinning Route, Journal of Applied Polymer Science, 121, 154-160.
- Hullavarad, S. S. (2007). Homo- and hetero-epitaxial growth of hexagonal and cubic MgxZn1−x O alloy thin films by pulsed laser deposition technique, J. Phys. D: Appl. Phys., 40, 4887–4895.
- Kim, Y. (2007). In Situ Formation of Silver Nanoparticles Within an Amphiphilic Graft Copolymer Film, Journal of Polymer Science: Part B: Polymer Physics, 45, 1283–1290.
- Liu, Z. (2011). In situ synthesis of gold nanoparticles on porous polyacrylonitrilenanofibers for sensing applications, Analyst, 21(136), 4545-4551.
- Qian, Z. (2012). Industrial Applied and Modeling Research on Selective H2S Removal Using a Rotating Packed Bed, Ind. Eng. Chem. Res., 51, 8108-8116.
- Skrzypski, J. (2011). Low Temperature H2S Removal with Metal-Doped Nanostructure ZnO Sorbents: Study of the Origin of Enhanced Reactivity in Cu-Containing Materials, Ind. Eng. Chem. Res. 2011, 50, 5714-5722.
- Zhao, Y. (2012). Electrospun carbon nanofibrous mats surface-decorated with Pd nanoparticles via the supercritical CO2 method for sensing of H, RSC Advances, 27(2), 10195-10199.
- Makale 01.12.2012 tarihinde alınmış, 03.07.2013 tarihinde düzeltilmiş, 04.07.2013 tarihinde kabul edilmiştir.
Details
| Primary Language | Turkish |
|---|---|
| Journal Section | Research Articles |
| Authors | |
| Publication Date | August 1, 2013 |
| Submission Date | December 19, 2014 |
| Published in Issue | Year 2013 Volume: 18 Issue: 2 |
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