Synthesis of submicron tubules of sodium cobaltate using a natural template of bamboo charcoal as supporting templates

Chia-Jyi Liu; Yong Zhi Chen

doi:10.1016/j.matlet.2011.10.113

Synthesis of submicron tubules of sodium cobaltate using a natural template of bamboo charcoal as supporting templates

Chia-Jyi Liu, Yong Zhi Chen

Department of Physics

Research output: Contribution to journal › Article

2 Citations (Scopus)

Abstract

Direction conversion of heat to electricity using thermoelectric materials has attracted considerable attention. The γ-phase of Na _xCoO ₂ is a potential candidate for thermoelectric applications at high temperatures. In this work, we report a simple approach of fabricating submicron tubules of γ-Na _0.7CoO ₂ using the urea-based sol-gel method with the assistance of porous bamboo charcoal as supporting templates. The synthesized tubules are characterized by X-ray diffractometer, field-emission scanning electron microscope and transmission electron microscope. The resulting tubules exhibit a single phase of γ-Na _0.7CoO ₂ and have various sizes ranging from about 0.43 to 1.44 μm with the length reaching up to 10 μm.

Original language	English
Pages (from-to)	4-6
Number of pages	3
Journal	Materials Letters
Volume	69
DOIs	https://doi.org/10.1016/j.matlet.2011.10.113
Publication status	Published - 2012 Feb 15

All Science Journal Classification (ASJC) codes

Materials Science(all)
Condensed Matter Physics
Mechanical Engineering
Mechanics of Materials

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Liu, C-J., & Chen, Y. Z. (2012). Synthesis of submicron tubules of sodium cobaltate using a natural template of bamboo charcoal as supporting templates. Materials Letters, 69, 4-6. https://doi.org/10.1016/j.matlet.2011.10.113

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abstract = "Direction conversion of heat to electricity using thermoelectric materials has attracted considerable attention. The γ-phase of Na xCoO 2 is a potential candidate for thermoelectric applications at high temperatures. In this work, we report a simple approach of fabricating submicron tubules of γ-Na 0.7CoO 2 using the urea-based sol-gel method with the assistance of porous bamboo charcoal as supporting templates. The synthesized tubules are characterized by X-ray diffractometer, field-emission scanning electron microscope and transmission electron microscope. The resulting tubules exhibit a single phase of γ-Na 0.7CoO 2 and have various sizes ranging from about 0.43 to 1.44 μm with the length reaching up to 10 μm.",

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