Facile synthesis of calcium silicate hydrate using sodium dodecyl sulfate as a surfactant assisted by ultrasonic irradiation

•By sonication method calcium silicate hydrate was synthesized in high yields and short times.•The effects of various time and SDS on morphology, crystallite sizes and yield were investigated.•The CSH Nanosheets with high yield were obtained in ultra short period of 10min with 0.2g SDS in solvent. C...

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Bibliographic Details
Published in:Ultrasonics sonochemistry 2014-03, Vol.21 (2), p.735-742
Main Authors: Mehrali, Mehdi, Seyed Shirazi, Seyed Farid, Baradaran, Saeid, Mehrali, Mohammad, Metselaar, Hendrik Simon Cornelis, Kadri, Nahrizul Adib Bin, Osman, Noor Azuan Abu
Format: Article
Language:English
Subjects:
Calcium silicate hydrate
Chemistry
Exact sciences and technology
General and physical chemistry
Nanosheets
Physical chemistry of induced reactions (with radiations, particles and ultrasonics)
Surfactant
Ultrasonic chemistry
Ultrasonic irradiation
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Summary:•By sonication method calcium silicate hydrate was synthesized in high yields and short times.•The effects of various time and SDS on morphology, crystallite sizes and yield were investigated.•The CSH Nanosheets with high yield were obtained in ultra short period of 10min with 0.2g SDS in solvent. Calcium silicate hydrate (CSH) consisting of nanosheets has been successfully synthesized assisted by a tip ultrasonic irradiation (UI) method using calcium nitrate (Ca(NO3)·4H2O), sodium silicate (Na2SiO3·9H2O) and sodium dodecyl sulfate (SDS) in water. Systematic studies found that reaction time of ultrasonic irradiation and concentrations of surfactant (SDS) in the system were important factors to control the crystallite size and morphologies. The products were characterized by X-ray power diffraction (XRD), field emission scanning electron microscopy (FESEM) and Fourier transform infrared spectrometry (FTIR). The size–strain plot (SSP) method was used to study the individual contributions of crystallite sizes and lattice strain on the peak broadening of the CSH. These characterization techniques revealed the successful formation of a crystalline phase with an average crystallite size of about 13nm and nanosheet morphology at a reaction time of 10min UI with 0.2g SDS in solvent which were found to be optimum time and concentrations of SDS for the synthesis of CSH powders.
ISSN:1350-4177
1873-2828
DOI:10.1016/j.ultsonch.2013.08.012