搜索结果: 1-15 共查到“化学 mesoporous”相关记录16条 . 查询时间(0.061 秒)
Mesoporous CuO/CeO2 bimetal oxides: One-pot synthesis, characterization and their application in catalytic destruction of 1,2-dichlorobenzene
Mesoporous CuO/CeO2 One-pot synthesis Catalytic destruction 1,2-Dichlorobenzene
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2013/12/12
Mesoporous CuO/CeO2 bimetal oxides were synthesized by a one-pot method using a cationic surfactant CTAB as structure directing agent and Cu(NO3)23H2O, Ce(NO3)6H2O and NaOH as the inorganic precurso...
Mesoporous Platinum Electrodes for Amperometric Determination of Sugars with Anion Exchange Chromatography
Mesoporous Platinum Electrodes Amperometric Determination Sugars
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2010/9/17
A simple amperometric detection (AD) method based on mesoporous platinum (Pt) electrodes has been developed for the determination of sugars (glucose, fructose, and sucrose) with high-performance anion...
A Fast-Response pH Optode Based on a Fluoroionophore Immobilized to a Mesoporous Silica Thin Film
A Fast-Response pH Optode a Fluoroionophore Immobilized Mesoporous Silica Thin Film
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2010/9/17
This paper describes the preparation and characterization of an optical pH-sensing device using a H+-responsive fluoroionophore based on boron-dipyrromethene, immobilized to a mesoporous silica thin f...
Methanol dehydration reaction to produce clean diesel alternative dimethylether over mesoporous aluminosilicate-based catalysts
DME aluminosilicate silicotungstic acid methanol dehydration
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2010/4/9
Due to its good burning characteristics and high cetane number, dimethylether (DME) is considered as a highly attractive and clean alternative to diesel fuel. This ether can be produced by methanol de...
Synthesis of Mesoporous Lanthanum Phosphate and Its Use as a Novel Sorbent
mesoporous surfactant lanthanum phosphate metal cation sorption
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2007/12/20
Mesoporous lanthanum phosphate was synthesized by supramolecular self-assembly of cetyltrimethylammonium bromide and lanthanum nitrate following digestion in phosphoric acid. TGA-DTA, XRD and SEM were...
Preparation and Characterization of Ordered TiO2 Photocatalysts: Films and Mesoporous Structures
Preparation Characterization Ordered TiO2 Photocatalysts Mesoporous Structures
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2010/4/16
Two different ordered TiO2 structures were prepared as sol-gel films coated on glass and as mesoporous structures in order to study the effect, in 2-D or in 3-D, of bulk size on photocatalytic activit...
Direct Hydrothermal Synthesis of Palladium-Incorporated Silicate-Structured Mesoporous Catalysts
Mesoporous catalysts MCM-41 Pd hydrothermal synthesis reforming
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2010/4/16
Pd-Si-structured novel mesoporous nanocomposite catalytic materials, having quite high Pd/Si ratios, were synthesized by an acidic direct hydrothermal synthesis route. The nanocomposite catalytic mate...
超低介电常数介孔氧化硅薄膜的制备及其表征（Synthesis of Mesoporous Thin Silica Films with Ultra Low Dielectric Constant）
TEOS蒸汽 甲基化 介孔氧化硅薄膜 超低介电常数
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2010/8/24
研究了以正硅酸乙酯(TEOS)和甲基三乙氧基硅烷(MeSi(OEt)3)为混合硅源，十六烷基三甲基溴化铵(CTAB)为模板剂，采取旋涂技术，在硅晶片表面制备出二氧化硅透明薄膜，再经过正硅酸乙酯(TEOS)蒸汽孔壁强化后采用线性升温焙烧法脱除薄膜孔道内的模板剂，制备出具有超低介电性能的氧化硅薄膜。使用FTIR、XRD和SEM对样品进行了结构表征，并采用阻抗分析仪测量了薄膜的介电常数(k)，纳米硬度计...
Synthesis of mesoporous silica by templating of amphiphilic diblock copolymer under neutral condition
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2007/7/28
专著信息
书名
Synthesis of mesoporous silica by templating of amphiphilic diblock copolymer under neutral condition
语种
英文
撰写或编译
撰写
作者
X. G Cui,W. J Cho,C. S. Ha
第一作者单位
延边大学
出版社
Molecular Crystals and Liquid...
Polypropylene glycol as a swelling agent for the synthesis of mesoporous silica (SBA-15) by amphiphilic block copolymer templating
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2007/7/28
专著信息
书名
Polypropylene glycol as a swelling agent for the synthesis of mesoporous silica (SBA-15) by amphiphilic block copolymer templating
语种
英文
撰写或编译
撰写
作者
X. G Cui,J. H. Ahn,W. C. Zin,W. J Cho,C. S....
Synthesis of mesoporous silica by poly(ethylene glycol) -block-poly(propylene glycol)- block-poly(ethylene glycol)
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2007/7/28
专著信息
书名
Synthesis of mesoporous silica by poly(ethylene glycol) -block-poly(propylene glycol)- block-poly(ethylene glycol)
语种
英文
撰写或编译
撰写
作者
X. G Cui,G. H. Yoo,W. J Cho,C. S. Ha
第一作者单位
延边大学
出版社
Molecu...
KIT-1介孔分子筛的化学修饰及吸附性能（Chemical Modification and Adsorption of the Pure Silica Mesoporous Molecular Sieve KIT-1 ）
介孔分子筛 KIT-1 化学修饰 吸附容量 水热稳定性
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2010/8/25
The pure silica mesoporous molecular sieve (KIT-1) was chemically modified using both organic and inorganic precursors and characterized using FTIR, XRD, MAS NMR, TG-DSC and physical adsorption-desorp...
疏水介孔二氧化硅膜的制备与表征（Preparation and Characterizaion of Hydrophobic Mesoporous Silica Membranes）
介孔氧化硅薄膜 孔结构 疏水性
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2010/8/18
用甲基三乙氧基硅烷(MTES)代替部分正硅酸乙酯(TEOS)作为前驱体，以聚乙烯醚-聚丙烯醚-聚乙烯醚三嵌段共聚物(P123)作有机模板剂，通过共水解缩聚反应制备了甲基修饰的介孔SiO2膜。利用N2吸附、FTIR、29Si MAS NMR以及接触角测量仪对膜的孔结构和疏水性进行了表征。结果表明，修饰后的膜材料具有良好的介孔结构，最可几孔径为4.65 nm，孔体积为0.69 cm3·g-1，比表面积...
Cumene Cracking on Modified Mesoporous Material Type MCM-41
MCM-41 mesoporous grains forms Cumene cracking
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2010/4/19
The effect of ionic exchange degree of H(X)-AlMCM-41 materials, the method of its exchange and its grain form were investigated for mesoporous catalytic activity in the cumene cracking reaction. Benze...
Isolation and Characterization of a Smectite as a Micro-Mesoporous Material from a Bentonite
Bentonite mineralogy porosity purification smectite suspension
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2010/4/21
A procedure was assessed for obtaining an optimum amount of a micro-mesoporous material known as smectite from Reşadiye (Tokat/Turkey) bentonite. The procedure, which will permit a better economi...