Volume 4, Issue 14 p. 4416-4421
Full Paper

Fabrication and 3D Patterning of Bio-Composite Consisting of Carboxymethylated Cellulose Nanofibers and Cobalt Ferrite Nanoparticles

Dr. Mukta V. Limaye

Corresponding Author

Dr. Mukta V. Limaye

Department of Physics, Indian Institute of Science Education & Research, Berhampur, 760010, Odisha India

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Pradosh Kumar Sahoo

Pradosh Kumar Sahoo

Department of Physics, Indian Institute of Science Education & Research, Berhampur, 760010, Odisha India

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Dr. Mandar Shirolkar

Dr. Mandar Shirolkar

Department of Physics, Tamkang University, Tamsui 251, Taiwan

Symbiosis Center for Nanoscience and Nanotechnology, Symbiosis International (Deemed University), Lavale, 412115 Pune, India

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Dr. Shashi B. Singh

Corresponding Author

Dr. Shashi B. Singh

Department of Physics, Indian Institute of Science Education & Research, Berhampur, 760010, Odisha India

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Dr. Amit Khare

Dr. Amit Khare

Department of Physics, Indian Institute of Science Education and Research, Bhopal, 462066 India

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Dr. Yu-Cheng Shao

Dr. Yu-Cheng Shao

Department of Physics, Tamkang University, Tamsui 251, Taiwan

Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California, 94720 USA

The Department of Physics and Astronomy, University of Louisville, Louisville, Kentucky, 40292 USA

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Kuan-Hung Chen

Kuan-Hung Chen

Department of Physics, Tamkang University, Tamsui 251, Taiwan

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Xian-Sheng Qiu

Xian-Sheng Qiu

Department of Physics, Tamkang University, Tamsui 251, Taiwan

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Dr. Shang-Hsien Hsieh

Dr. Shang-Hsien Hsieh

Department of Physics, Tamkang University, Tamsui 251, Taiwan

National Synchrotron Radiation and Research Centre, Hsinchu, 300 Taiwan

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Dr. Dhanvir Singh Rana

Dr. Dhanvir Singh Rana

Department of Physics, Indian Institute of Science Education and Research, Bhopal, 462066 India

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Prof. W. F. Pong

Corresponding Author

Prof. W. F. Pong

Department of Physics, Tamkang University, Tamsui 251, Taiwan

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First published: 15 April 2019
Citations: 4

Graphical Abstract

Bio-composite of carboxymethylated cellulose nanofibers and cobalt ferrite nanoparticles fabricated by in-situ synthesis method. Free-standing and flexible films of the bio-composite were obtained which have improved thermal stability compared to nanocellulose. The bio-composite can be 3D patterned on silicon substrate, suggesting new opportunities for engineering biodegradable multifunctional systems.

Abstract

In this work, flexible and free-standing films of bio-composite of carboxymethylated cellulose nanofibers (CMCNF) and cobalt ferrite (CFO) nanoparticles (NPs) have been fabricated using in-situ chemical route. Control over CFO fraction (1% - 25%) in CMCNF matrix was achieved by adjusting volume of the iron and cobalt precursors. Free-standing films of CMCNF-CFO bio-composite were characterized using X-ray diffraction, spectroscopic, microscopic, thermal and Magnetic measurements. The Raman and X-ray absorption near edge spectroscopy studies confirms the formation of CFO in CMCNF matrix. The microscopic studies revealed that CMCNF fibers are decorated with CFO NPs having size of the order of ∼ 25 nm. Comparison of the thermal properties of CMCNF and CMCNF -CFO composites shows that thermal stability improves as CFO content increases. Finally, preliminary results on a method to create 3D patterns of CMCNF -CFO nanocomposite having lateral dimensions ∼1.2 μm were presented that pave the way to new uses of bio-composites.

Conflict of interest

The authors declare no conflict of interest.