Facile Synthesis of Ammonium Aluminum Carbonate Hydroxide Multilayered Nanofiber by Using Solid State Reaction

Xiao Fu Hu; Yun Qi Liu; Chen Guang Liu

doi:10.4028/www.scientific.net/AMR.415-417.580

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Experimental study and Parameters Optimization of Laser Milling on Al₂O₃ Ceramics
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Facile Synthesis of Ammonium Aluminum Carbonate Hydroxide Multilayered Nanofiber by Using Solid State Reaction
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Experimental Study on Porous Metal Bonded Diamond Grinding Wheels - The Selection of Porosity Inducers and Agglomeration’s Parameter
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Study on the Morphology of Nano-ZnO in Foam Glass
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 415-417Facile Synthesis of Ammonium Aluminum Carbonate...

Facile Synthesis of Ammonium Aluminum Carbonate Hydroxide Multilayered Nanofiber by Using Solid State Reaction

Abstract:

In this paper, we make systematical investigation for the new synthesis pathway of AACH multilayered nanofiber, which has been prepared by a low-temperature solid-state reaction. The phase transformation sequence of AACH on heating is found that the precursor converts into γ-Al₂O₃ at 700-900°C and elevated temperature results in the θ-Al₂O₃ and α- Al₂O₃ crystal phase formation at 1000°C. With a higher calcination temperature at 1100°C, α- Al₂O₃ pattern appears. The specific surface area (SBET) of aluminum oxide specie calcined at 500°C for 4h is still in 420.2m²/g. Meanwhile, it suggests a partial change in particle sizes and morphology of sample calcined at 500°C for 4h.