نتایج جستجو برای: hard template
تعداد نتایج: 191423 فیلتر نتایج به سال:
2009 WILEY-VCH Verlag Gmb Considerable research has been carried out on photonic crystals since the concept was introduced in 1987. However, fabrication of high-quality 3D photonic crystals still remains a challenge. Among a wide range of proposed techniques, creation of large-area, defect-free 3D polymeric templates through multibeam interference lithography, direct laser writing, or direct in...
The synthesis of mesoporous CuFe2O4 spinel by several nanocasting strategies (i.e., multi-step nanocasting, one step nanocasting, modified solid-liquid), in which copper and iron nitrates are used as precursors and Pluronic P123 as surfactant, is explored. We have also checked the effect of pH, citric acid and sodium citrate in multi-step nanocasting method. The modified solid-liquid method whi...
To investigate template effect on physicochemical properties of zeolite and enhance the molecular sieving properties, adsorption of methionine amino acid was studied by spectroscopic methods. Four zeolites such as methionine templated analcime, methionine templated zeolite P, N, N-dibenzyl N,N,N,N-tetramethylethylenediamine (DBTMED) templated analcime and free template analcime were synthesized...
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