Rapid phosphine exchange on 1.5-nm gold nanoparticles

被引：36

作者：

Petroski, J ^{[1
]}

Chou, MH ^{[1
]}

Creutz, C ^{[1
]}

机构：

[1] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA

来源：

INORGANIC CHEMISTRY | 2004年 / 43卷 / 05期

关键词：

D O I：

10.1021/ic035304b

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Triphenylphosphine-cappped, 1.5-nm gold nanoparticles "Au-101-(PPh3)(21)Cl-5" prepared following Hutchison's procedure (Weare, W. W.; Reed, S. M.; Warner, M. G.; Hutchison, J. E. J. Am. Chem. Soc. 2000, 122, 12890) undergo rapid exchange of capping ligand phosphine with dissociated and added phosphine in dichloromethane solvent at 298 K. Remarkably, while the H-1 NMR spectrum resonances of the attached phosphine are broad, characteristic of a range of incompletely averaged environments, the P-31 NMR spectrum (observable only at 213 K and below) exhibits a single, narrow resonance indicating that all of the phosphorus atoms are magnetically equivalent.

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页码：1597 / 1599

页数：3

相关论文

共 31 条

[1] EXCHANGE KINETICS OF GOLD(I) PHOSPHINE COMPLEXES BY NUCLEAR-MAGNETIC-RESONANCE LINE-SHAPE ANALYSIS [J].

ALBAKER, S ;

HILL, WE ;

MCAULIFFE, CA .

JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS, 1986, (06) :1297-1300

[2] Structure and dynamics in alkanethiolate monolayers self-assembled on gold nanoparticles: A DSC, FT-IR, and deuterium NMR study [J].

Badia, A ;

Cuccia, L ;

Demers, L ;

Morin, F ;

Lennox, RB .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1997, 119 (11) :2682-2692

[3] SYNTHESIS OF WATER-SOLUBLE UNDECAGOLD CLUSTER COMPOUNDS OF POTENTIAL IMPORTANCE IN ELECTRON-MICROSCOPIC AND OTHER STUDIES OF BIOLOGICAL-SYSTEMS [J].

BARTLETT, PA ;

BAUER, B ;

SINGER, SJ .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1978, 100 (16) :5085-5089

[4] CRYSTAL AND MOLECULAR STRUCTURE OF TRI-IODOHEPTAKIS(TRI-PARA-FLUOROPHENYL-PHOSPHINE)UNDECAGOLD [J].

BELLON, P ;

SANSONI, M ;

MANASSERO, M .

JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS, 1972, (14) :1481-+

[5] Gold-sulfur bonding in 2D and 3D self-assembled monolayers: XPS characterization [J].

Bourg, MC ;

Badia, A ;

Lennox, RB .

JOURNAL OF PHYSICAL CHEMISTRY B, 2000, 104 (28) :6562-6567

[6] Convenient preparation of stable, narrow-dispersity, gold nanocrystals by ligand exchange reactions [J].

Brown, LO ;

Hutchison, JE .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1997, 119 (50) :12384-12385

[7] The novel structure of the [Au-11(PMePh(2))(10)](3+) cation: Crystal structures of [Au-11(PMePh2)(10)] [C2B9H12](3)center dot 4thf and [Au-11(PMePh(2))(10)] [C2B9H12](3) (thf=tetrahydrofuran) [J].

Copley, RCB ;

Mingos, MP .

JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS, 1996, (04) :479-489

[8] Reproducible measurement of single-molecule conductivity [J].

Cui, XD ;

Primak, A ;

Zarate, X ;

Tomfohr, J ;

Sankey, OF ;

Moore, AL ;

Moore, TA ;

Gust, D ;

Harris, G ;

Lindsay, SM .

SCIENCE, 2001, 294 (5542) :571-574

[9]

HAINFELD JF, 1999, J STRUCT BIOL, V127

[10] Alkanethiolate gold cluster molecules with core diameters from 1.5 to 5.2 nm: Core and monolayer properties as a function of core size [J].

Hostetler, MJ ;

Wingate, JE ;

Zhong, CJ ;

Harris, JE ;

Vachet, RW ;

Clark, MR ;

Londono, JD ;

Green, SJ ;

Stokes, JJ ;

Wignall, GD ;

Glish, GL ;

Porter, MD ;

Evans, ND ;

Murray, RW .

LANGMUIR, 1998, 14 (01) :17-30

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