Synthesis and Characterization of Single-Layer Silver-Decanethiolate Lamellar Crystals

被引：49

作者：

Hu, Liang ^{[1
]}

de la Rama, Lito P. ^{[1
]}

Efremov, Mikhail Y. ^{[2
,3
]}

Anahory, Yonathan ^{[4
]}

Schiettekatte, Francois ^{[4
]}

Allen, Leslie H. ^{[1
]}

机构：

[1] Univ Illinois, Coordinated Sci Lab, Dept Mat Sci & Engn, Urbana, IL 61801 USA

[2] Univ Wisconsin, Dept Chem & Biol Engn, Madison, WI 53706 USA

[3] Univ Wisconsin, Ctr Nanotechnol, Madison, WI 53706 USA

[4] Univ Montreal, Dept Phys, RQMP, Montreal, PQ H3C 3J7, Canada

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2011年 / 133卷 / 12期

基金：

美国国家科学基金会;

关键词：

SELF-ASSEMBLED MONOLAYERS; HEAT-CAPACITY MEASUREMENTS; PROTECTED GOLD CLUSTERS; COINAGE METAL-SURFACES; X-RAY-DIFFRACTION; NANOCALORIMETRIC MEASUREMENTS; INFRARED-SPECTROSCOPY; N-DODECANETHIOLATE; NANOPARTICLES; COMPLEXES;

D O I：

10.1021/ja107817x

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report the synthesis of silver-decanethiolate (AgSC10) lamellar crystals. Nanometer-sized Ag clusters grown on inert substrates react with decanethiol vapor to form multi-layer AgSC10 lamellar crystals with both layer-by-layer and in-plane ordering. The crystals have strong (010) texture with the layers parallel to the substrates. The synthesis method allows for a precise control of the number of layers. The thickness of the lamellae can be manipulated and systematically reduced to a single layer by decreasing the amount of Ag and lowering the annealing temperature. The single-layer AgSC10 lamellae are two-dimensional crystals and have uniform thickness and in-plane ordering. These samples were characterized with nanocalorimetry, atomic force microscopy (AFM), transmission electron microscopy (TEM), X-ray diffraction (XRD), X-ray reflectivity (XRR), Fourier transform infrared spectroscopy (FTIR), and Rutherford backscattering spectroscopy (RBS).

引用

页码：4367 / 4376

页数：10

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