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Open Access Nano Express

Synthesis of stable ACC using mesoporous silica gel as a support

Fen Fu1, Liang Guang Tian2, Sheng Xu1, Xian Gang Xu1* and Xiao Bo Hu1*

Author Affiliations

1 State Key Laboratory of Crystal Materials, Shandong University, Shanda Nanlu Rd No.27, Jinan, Shandong Province 250100, China

2 Shandong Institute of Supervision and Inspection on Product Quality, Jinan 250100, China

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Nanoscale Research Letters 2014, 9:450  doi:10.1186/1556-276X-9-450

Published: 29 August 2014

Abstract

Stable amorphous calcium carbonate supported by mesoporous silica gel was successfully synthesized. The silica gel support is prepared through the hydrolytic polycondensation of ethyl silicate under suitable conditions. Laser scanning confocal microscopy (LSCM) observations reveal that the morphology of the products is branched with cruciform-like and flower-like structure. Raman spectroscopic analysis and scanning electron microscopy (SEM) observation of the products confirm the combination of stable amorphous calcium carbonate (ACC) nanoparticles and mesoporous silica gel. A possible growth mechanism for the branched structure has been proposed. Results indicate potential application of this work to ACC storage, crystal engineering, biomimetic synthesis, etc.

Keywords:
Amorphous materials; Nanoparticles; Silica gel; Calcium carbonate