Single crystalline CdCO3 low-dimensional nanostructures, such as nanowires, nanobelts, and nanorolls have been controlled synthesized through a convenient, low-temperature hydrothermal method. Moreover, the shape and diameter of low-dimensional CdCO3 nanostructures can be facilely controlled through adjusting the experiment factors. The influences of the ammonia concentration and temperature on the morphology of CdCO3 are investigated, and a possible mechanism involved adjustable growth properties from kinetic growth stage to thermodynamic growth stage has been discussed. This work has also provided a general, simple, and effective method to control the shape of other transition-metal carbonate.
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