Tin-decorated ruthenium nanoparticles: a way to tune selectivity in hydrogenation reaction

被引：18

作者：

Bonneffile, Eric ^{[1
,2
]}

Novio, Fernando ^{[1
,2
]}

Gutmann, Torsten ^{[1
,2
]}

Poteau, Romuald ^{[3
]}

Lecante, Pierre ^{[4
]}

Jumas, Jean-Claude ^{[5
]}

Philippot, Karine ^{[1
,2
]}

Chaudret, Bruno ^{[3
]}

机构：

[1] CNRS, Chim Coordinat Lab, F-31077 Toulouse, France

[2] Univ Toulouse, UPS, INPT, LCC, F-31077 Toulouse, France

[3] UMR5215 INSA CNRS UPS, Inst Appl Sci, Lab Phys & Chim Nanoobjets, LPCNO, F-31077 Toulouse, France

[4] CNRS, Ctr Elaborat Mat & Etud Struct, F-31055 Toulouse, France

[5] Univ Montpellier 2, ICG AIME UMR CNRS 5253, Inst Charles Gerhardt, F-34095 Montpellier 5, France

来源：

NANOSCALE | 2014年 / 6卷 / 16期

关键词：

SURFACE ORGANOMETALLIC CHEMISTRY; TOTAL-ENERGY CALCULATIONS; SOLID-STATE; METALS; CO; HYDROGENOLYSIS; DIFFUSION; CATALYSTS; PLATINUM;

D O I：

10.1039/c4nr00791c

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Two series of ruthenium nanoparticles stabilized either by a polymer (polyvinylpyrrolidone; Ru/PVP) or a ligand (bisdiphenylphosphinobutane; Ru/dppb) were reacted with tributyltin hydride [(n-C4H9)(3)SnH] leading to tin-decorated ruthenium nanoparticles, Ru/PVP/Sn and Ru/dppb/Sn. The Sn/Ru molar ratio was varied in order to study the influence of the surface tin content on the properties of these new nanoparticles, by comparison with Ru/PVP and Ru/dppb. Besides HRTEM and WAXS analyses, spectroscopic techniques (IR, NMR and Mossbauer) combined with theoretical calculations and a simple catalytic test (styrene hydrogenation) allowed us to evidence the formation of mu(3)-bridging "SnR" groups on the ruthenium surface as well as to rationalize their influence on surface chemistry and catalytic activity.

引用

页码：9806 / 9816

页数：11

共 47 条

[1] Solid state and gas phase NMR studies of immobilized catalysts and catalytic active nanoparticles [J].

Adamczyk, Anna ;

Xu, Yeping ;

Walaszek, Bernadeta ;

Roelofs, Frank ;

Pery, Tal ;

Pelzer, Karin ;

Philippot, Karine ;

Chaudret, Bruno ;

Limbach, Hans-Heinrich ;

Breitzke, Hergen ;

Buntkowsky, Gerd .

TOPICS IN CATALYSIS, 2008, 48 (1-4) :75-83

[2]

Agnelli M., 1989, CATAL TODAY, V6, P63

[3] Organometallic approach for the synthesis of nanostructures [J].

Amiens, Catherine ;

Chaudret, Bruno ;

Ciuculescu-Pradines, Diana ;

Colliere, Vincent ;

Fajerwerg, Katia ;

Fau, Pierre ;

Kahn, Myrtil ;

Maisonnat, Andre ;

Soulantica, Katerina ;

Philippot, Karine .

NEW JOURNAL OF CHEMISTRY, 2013, 37 (11) :3374-3401

[4]

[Anonymous], 2013, NANOMATERIALS CATALY

[5] AN NMR-STUDY OF THE GEOMETRY OF A CO LAYER CHEMISORBED ON PT PARTICLES [J].

ANSERMET, JP ;

SLICHTER, CP ;

SINFELT, JH .

JOURNAL OF CHEMICAL PHYSICS, 1988, 88 (09) :5963-5971

[6]

Astruc D., 2008, NANOPARTICLES CATALY

[7] Selective hydrogenation of amides using Rh/Mo catalysts [J].

Beamson, Graham ;

Papworth, Adam J. ;

Philipps, Charles ;

Smith, Andrew M. ;

Whyman, Robin .

JOURNAL OF CATALYSIS, 2010, 269 (01) :93-102

[8] NMR-STUDY OF DIFFUSION OF CO ON ALUMINA-SUPPORTED PT CLUSTERS [J].

BECERRA, LR ;

KLUG, CA ;

SLICHTER, CP ;

SINFELT, JH .

JOURNAL OF PHYSICAL CHEMISTRY, 1993, 97 (46) :12014-12019

[9] IMPROVED TETRAHEDRON METHOD FOR BRILLOUIN-ZONE INTEGRATIONS [J].

BLOCHL, PE ;

JEPSEN, O ;

ANDERSEN, OK .

PHYSICAL REVIEW B, 1994, 49 (23) :16223-16233

[10] PROJECTOR AUGMENTED-WAVE METHOD [J].

BLOCHL, PE .

PHYSICAL REVIEW B, 1994, 50 (24) :17953-17979

← 1 2 3 4 5 →