Optically monitored wet-chemical preparation of SEIRA active Au nanostructures

被引：8

作者：

Enders, Dominik ^{[2
]}

Nagao, Tadaaki ^{[1
,2
]}

Nakayama, Tomonobu ^{[2
]}

Aono, Masakazu ^{[2
]}

机构：

[1] Natl Inst Mat Sci, Int Ctr Mat Nonoorchitecton MANA, Nano Syst Funct Ctr, Tsukuba, Ibaraki 3050044, Japan

[2] JST, ICORP, Nanoscale Quantum Conductor Array Project, Kawaguchi, Saitama 3320012, Japan

来源：

SURFACE AND INTERFACE ANALYSIS | 2008年 / 40卷 / 13期

关键词：

FTIR; SEIRA; VIS; gold nanoparticles; silicon;

D O I：

10.1002/sia.2986

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 growth process of spherical substrate-bound Au nanoparticles (AuNP) was investigated within situ visible (VIS) spectroscopy, in situ Fourier transform infrared (FTIR) spectroscopy, and scanning electron microscopy (SEM). In the VIS spectra, the redshift and broadening of the AuNP's surface plasmon resonance could be observed, as the size of the AuNP increased. FTIR spectra showed the increasing IR absorption of the surrounding water molecules because of the surface-enhanced infrared absorption (SEIRA), as well as plasmon absorption. IR spectra of adsorbates were further used to compare the SEIRA activity of the resulting Au films. Copyright (C) 2008 John Wiley & Sons, Ltd.

引用

页码：1681 / 1683

页数：3

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