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Tetradecyltrimethyl ammonium bromide capped Pd nanoparticles were coated with SiO2 through the hydrolysis of tetraethylorthosilicate. The Pd@SiO2 nanocatalysts with 1.9−2.4 nm mesoporous SiO2 shells were generated after removal of tetradecyl trimethyl ammonium bromide from Pd@SiO2 core−shell particles by calcination and following H2 reduction.

[ Last edited by zhtear99 on 2013-5-6 at 20:18 ]
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Pd nanoparticles£ºîÙÄÉÃ׿ÅÁ£
tetraethylorthosilicate£º¹èËáËÄÒÒõ¥
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mesoporous£º¶à¿×£»½é¿×
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