کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10636930 | 993835 | 2005 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Scale-up low-cost synthesis of bimodal mesoporous silicas
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Porous pure and doped silicas with pore sizes at two length scales (meso/macroporous) have been prepared through a large scale one-pot surfactant assisted reproducible procedure by using a simple template agent and starting from non-expensive sodium silicate as silicon source. Together with the relative low-cost of the reagents we have used, the simplicity of this method, which moreover is scalable and provides high yields, could be a strong argument for considering its suitability for the production of bimodal porous silicas. Additionally, we present a simple chemical scheme that allows directing the synthesis towards different related materials including both bimodal nanoparticulated mesoporous materials and unimodal particulate silica gels or MCM-41-like solids.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Solid State Sciences - Volume 7, Issue 4, April 2005, Pages 415-421
Journal: Solid State Sciences - Volume 7, Issue 4, April 2005, Pages 415-421
نویسندگان
José Manuel Morales, Julio Latorre, Carmen Guillem, Aurelio Beltrán-Porter, Daniel Beltrán-Porter, Pedro Amorós,