Growth Analysis of Pulsed Laser Ablated Films

被引：9

作者：

Agarwal, N. R. ^{[1
]}

Neri, F. ^{[2
]}

Trusso, S. ^{[3
]}

Ossi, P. M. ^{[4
]}

机构：

[1] Politecn Milan, Dipartimento Chim Mat & Ingn Chim Giulio Natta, I-20133 Milan, Italy

[2] Univ Messina, Dipartimento Fis & Sci Terra, I-98158 Messina, Italy

[3] CNR, IPCF, I-98158 Messina, Italy

[4] Politecn Milan, Dipartimento Energia, I-20133 Milan, Italy

来源：

PLASMONICS | 2013年 / 8卷 / 04期

关键词：

Analysis; Morphology; Nanoparticles; Pulsed laser ablation; Nanostructured films; MORPHOLOGY ANALYSIS; DISTRIBUTIONS;

D O I：

10.1007/s11468-013-9590-2

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The spontaneous organization on a substrate of nanoparticles (NPs) nucleated in a laser-generated plasma results in self-assembling due to both direct specific interactions and to indirect ambient-mediated ones. A number of well-differentiated film morphologies are observed, from isolated NPs to percolated island structures. The distribution of the width of gaps between NPs, or islands formed upon NP coalescence in two representative percolated Au films, is lognormal, indicating that the growth process is random. A finer inspection of similar surface morphologies allows to correlate regularity in gap sizes and surface coverage to differences in film performance as substrates for surface-enhanced Raman spectroscopy.

引用

页码：1707 / 1712

页数：6

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