Preparation of Self-assembled Titanate Aggregates with Regular Structure

doi:10.3969/j.issn.0251-0790.2012.09.004

Abstract

Abstract:

Bird's nest-like self-assembly titanate nanoribbon aggregates, fluff sphere-like self-assembly titanate nanoribbon aggregates and urchin-like self-assembly titanate nanotube aggregates were prepared without template from Ti flake(or TiO₂ powder, P25) under hydrothermal conditions by adjusting NaOH concentration and cooling temperature. Cattail-like self-assembly titanate-sodium carbonate self-assembly complex aggregates were prepared with sodium carbonat as template. A possible two-stage growth mechanism involving the initial formation of primary 1D nanostructures that subsequently self-assemble was proposed. This method will provide a promising approach that the function materials are assembled into highly ordered structure in the ideal way and lend itself to the research on microdevice.

Key words: Titanate, Hydrothermal preparation, Self-assembled aggregate

CLC Number:

O614.4

TrendMD:

PAN Yan, GUO Yu-Peng, SONG Wen-Bo, LIU Zhi-Hui. Preparation of Self-assembled Titanate Aggregates with Regular Structure[J]. Chem. J. Chinese Universities, 2012, 33(09): 1895.

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