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小木虫论坛-学术科研互动平台 » 材料区 » 微米和纳米 » 合成表征 » 【求助】这段话谁知道是哪篇文献的，请提供全文，谢谢
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dgf2008

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[交流] 【求助】这段话谁知道是哪篇文献的，请提供全文，谢谢 已有4人参与

The tetraethoxysilane (TEOS, 22.0 ml) was added into a solution containing ethanol (27 ml), deionized water (3.7 ml) and aqueous ammonia (30 wt.%, 7.0 ml) at 303 K with vigorous stirring. The mixture was stirred continuously for 1 h to get uniform silica spheres. A mixture solution containing of TEOS (14.5 ml) and octadecyltrimethoxysilane (C18TMS, 5.8 ml) was added into above colloidal solution and stirred for 1 h. The resulting products were dried in atmosphere at 363 K for 12 h and calcined at 873 K for 5 h under atmosphere to obtain final products.

Typically, SCMSS templates (1.0 g), glucose (0.5 g) and deionized water (100 ml) were mixed in a small flask and stirred dramatically with a magnetic stirrer in 343 K water bath until the mixture turned into a dry solid cake. Subsequently, the cake was heated in tube furnace with different heating rates from 373 K to 523 K in nitrogen atmosphere to make glucose melted and flow down along the mesopores of the templates. The cake was then heated to 1123 K and held at that temperature for 3 h to carbonize the glucose. The silica templates were removed by etching in 10% HF and washed by deionized water to obtain HCHs.
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sciencemaji

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bachier

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dgf2008(金币+5):谢谢 2010-08-12 11:35:22
Electrochemistry Communications，Volume 12, Issue 5, May 2010, Pages 689-692。去下载吧
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fxwjg

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dgf2008(金币+2):谢谢 2010-08-12 15:05:23
mhwu514(金币+2):谢谢讨论 2010-08-12 16:16:13
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Originally posted by dgf2008 at 2010-08-12 08:46:01:
The tetraethoxysilane (TEOS, 22.0 ml) was added into a solution containing ethanol (27 ml), deionized water (3.7 ml) and aqueous ammonia (30 wt.%, 7.0 ml) at 303 K with vigorous stirring. The mixtu ...

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