Chemical vapor deposition of Fe(CO)4(SiCl3)2 for the synthesis of hydrogenation catalyst made of highly dispersed iron silicide particles on silica

被引：9

作者：

Guan, Jingchao ^{[1
]}

Zhao, Anqi ^{[1
]}

Chen, Xiao ^{[1
]}

Zhang, Mingming ^{[1
]}

Liang, Changhai ^{[1
]}

机构：

[1] Dalian Univ Technol, State Key Lab Fine Chem, Dalian 116012, Peoples R China

来源：

SCIENTIFIC BASES FOR THE PREPARATION OF HETEROGENEOUS CATALYSTS: PROCEEDINGS OF THE 10TH INTERNATIONAL SYMPOSIUM | 2010年 / 175卷

关键词：

Fe(CO)(4)(SiCl(3))(2); organometallic chemical vapor deposition; iron silicide; naphthalene hydrogenation; PALLADIUM SILICIDE; PD/SIO2; FESI;

D O I：

10.1016/S0167-2991(10)75037-0

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

New iron silicides based hydrogenation catalysts have been prepared by organometallic chemical vapor deposition of Fe(CO)(4)(SiCl(3))(2) precursor on silica support. Fe(CO) 4(SiCl(3))(2) was synthesized from Fe(3)(CO)(12) and SiHCl(3) at 120 degrees C, as confirmed by FTIR, (13)C and (29)Si NMR. The FeSi loadings have been varied by changing the amount of the precursor. XRD patterns only showed a diffraction peak due to silica, indicating that iron silicide particles were too small to be detected. TEM image showed that the lattice spacing of the particles was 0.2578 nm, which matched well with the lattice spacing 0.2591 nm of the FeSi (111) plane. TEM image showed that the size of iron silicide particles dispersed on the silica was about 3 nm. However, the so-prepared FeSi/SiO(2) catalysts showed little catalytic activity in naphthalene hydrogenation. More studies would be needed to have a better understanding on how to improve the efficiency of these new catalysts.

引用

页码：259 / 262

页数：4

共 10 条

[1]

A H, 1993, Patent No. 561397

[2] Transformation of Pd/SiO2 into palladium silicide during reduction at 450 and 500°C [J].

Juszczyk, W ;

Karpinski, Z ;

Lomot, D ;

Pielaszek, J .

JOURNAL OF CATALYSIS, 2003, 220 (02) :299-308

[3]

Levy R B., 1977, AdvancedMaterials in Catalysis, P101

[4] CoSi particles on silica support as a highly active and selective catalyst for naphthalene hydrogenation [J].

Liang, Changhai ;

Zhao, Anqi ;

Zhang, Xiaofei ;

Ma, Zhiqiang ;

Prins, Roel .

CHEMICAL COMMUNICATIONS, 2009, (15) :2047-2049

[5] UPS study of compounds with metal-silicon bonds: M(CO)(n)SiCl3 (M=Co, Mn; n=4, 5) and Fe(CO)(4)(SiCl3)(2) [J].

Novak, I ;

Huang, W ;

Luo, L ;

Huang, HH ;

Ang, HG ;

Zybill, CE .

ORGANOMETALLICS, 1997, 16 (08) :1567-1572

[6] Impact of palladium silicide formation on the catalytic properties of Pd/SiO2 catalysts in liquid-phase semihydrogenation of phenylacetylene [J].

Panpranot, Joongjai ;

Phandinthong, Kunnika ;

Sirikajorn, Terachai ;

Arai, Masahiko ;

Praserthdam, Piyasan .

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL, 2007, 261 (01) :29-35

[7] Synthesis and properties of single-crystal FeSi nanowires [J].

Schmitt, Andrew L. ;

Bierman, Matthew J. ;

Schmeisser, Dieter ;

Himpsel, F. J. ;

Jin, Song .

NANO LETTERS, 2006, 6 (08) :1617-1621

[8] Chemical vapor deposition methods for the controlled preparation of supported catalytic materials [J].

Serp, P ;

Kalck, P ;

Feurer, R .

CHEMICAL REVIEWS, 2002, 102 (09) :3085-3128

[9] Mechanism of the silicide-catalysed hydrodehalogenation of silicon tetrachloride to trichlorosilane [J].

Walter, H ;

Roewer, G ;

Bohmhammel, K .

JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS, 1996, 92 (22) :4605-4608

[10] Formation of FeSi and FeSi, films from cis-Fe(SiCl3)2(CO)4 by MOCVD -: precursor versus substrate control [J].

Zybill, CE ;

Huang, W .

INORGANICA CHIMICA ACTA, 1999, 291 (1-2) :380-387

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