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Detailed kinetic observation revealing the formation mechanism of chiral mesoporous silica (CMS) synthesized by cooperative self-assembly of anionic chiral surfactant
Ng E.-P.a, Bahaman N.a, Mukti R.R.b, Ling T.-C., Ng Y.H.d, Adam F.a
a School of Chemical Sciences, Universiti Sains Malaysia, USM, Penang, 11800, Malaysia
b Division of Inorganic and Physical Chemistry, Institut Teknologi Bandung, Bandung, West Java, 40132, Indonesia
c Institute of Biological Sciences, Faculty of Science Building, University of Malaya, Kuala Lumpur, 50603, Malaysia
d School of Chemical Engineering, University of New South Wales, Sydney, 2052, Australia
[vc_row][vc_column][vc_row_inner][vc_column_inner][vc_separator css=”.vc_custom_1624529070653{padding-top: 30px !important;padding-bottom: 30px !important;}”][/vc_column_inner][/vc_row_inner][vc_row_inner layout=”boxed”][vc_column_inner width=”3/4″ css=”.vc_custom_1624695412187{border-right-width: 1px !important;border-right-color: #dddddd !important;border-right-style: solid !important;border-radius: 1px !important;}”][vc_empty_space][megatron_heading title=”Abstract” size=”size-sm” text_align=”text-left”][vc_column_text]© 2014 Elsevier Ltd. All rights reserved.The synthesis of chiral mesoporous silica (CMS) is desirable for emerging applications, particularly in enantioselective catalysis. However, the detailed evolution during the CMS formation templated by self-assembly of chiral surfactants have not been clearly explained. In this study, we reported the evolutional formation of CMS which was understood by complementary analyses involving advanced techniques such as spectroscopy, microscopy and thermogravimetry. The samples were kinetically studied starting from the time intervals during precursors mixing until fully well-ordered CMS was obtained. Insignificant interactions between C14AlaA and APS were observed at the initiate state and the interaction was becoming crucial for the CMS formation. Additionally, we also speculated that the electrostatic interaction between NH2 group and COO- anionic head group on the micelle surface is the driving force for the CMS formation.[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Author keywords” size=”size-sm” text_align=”text-left”][vc_column_text]Complementary analysis,Detailed kinetics,Emerging applications,Enantioselective catalysis,Formation mechanism,Mesoporous Silica,Sol-gel chemistry,Solvothermal[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Indexed keywords” size=”size-sm” text_align=”text-left”][vc_column_text]Crystal growth,Inorganic compounds,Nanostructures,Sol-gel chemistry,Solvothermal[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Funding details” size=”size-sm” text_align=”text-left”][vc_column_text]The authors would like to acknowledge RUI ( 1001/PKIMIA/811264 ) and FRGS ( 203/PKIMIA/6711362 ) Research Grants for financial support.[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”DOI” size=”size-sm” text_align=”text-left”][vc_column_text]https://doi.org/10.1016/j.materresbull.2014.11.030[/vc_column_text][/vc_column_inner][vc_column_inner width=”1/4″][vc_column_text]Widget Plumx[/vc_column_text][/vc_column_inner][/vc_row_inner][/vc_column][/vc_row][vc_row][vc_column][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][/vc_column][/vc_row]