Influence of Bovine Serum Albumin on the Formation of NaxCo2O4 Compounds

doi:10.3724/SP.J.1077.2008.00860

Abstract

Abstract: A new method of protein adsorption was investigated for the preparation of nanosized flake Na_xCo₂O₄compounds. The effects of BSA on the formation of the Na_xCo₂O₄ compounds were investigated. The results show that the average particle size of colloidal precursor can be clearly decreased with the increasing of BSA concentration to 1.5--2.5mg/mL. The formation of γ-Na_0.71Co_0.96O₂ crystalline phase is inhibited with the increasing of BSA concentration. The crystalline phase composition and morphology of calcined precursor are influenced by BSA obviously. After calcined at 800℃, ultra-thin flake γ-Na_0.71Co_0.96O₂ crystals are obtained with about 200 nm in thickness and about 1--5μm in width along the plane direction. Compared with solid state reaction, the thickness of flake Na_xCo₂O₄ crystals obtained by this new method is dramatically decreased.

Key words: BSA, protein adsorption method, Na_xCo₂O₄, thermoelectric materials

CLC Number:

TN304

ZHANG Li,TANG Xin-Feng,GAO Wen-Bin. Influence of Bovine Serum Albumin on the Formation of Na_xCo₂O₄ Compounds[J]. Journal of Inorganic Materials, DOI: 10.3724/SP.J.1077.2008.00860.

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Influence of Bovine Serum Albumin on the Formation of Na_xCo₂O₄ Compounds

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