Electrical and optical properties of self-assembled, ordered gold nanocrystal/silica thin films prepared by sol-gel processing

被引：0
|
作者：
Yang, K [1 ]
Fan, HY [1 ]
O'Brien, MJ [1 ]
La Fontaine, S [1 ]
Lopez, GP [1 ]
Malloy, KJ [1 ]
Brinker, CJ [1 ]
Sigmon, TW [1 ]
机构：
[1] Univ New Mexico, Ctr High Technol Mat, Albuquerque, NM 87106 USA
来源：
MICRO- AND NANOSYSTEMS-MATERIALS AND DEVICES | 2005年 / 872卷
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D O I：
暂无
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Highly ordered gold NC/silica films are synthesized by self-assembly of water-soluble gold nanocrystal micelles and soluble silica using a sol-gel spin-coating technique. The optical properties are analyzed using ellipsometry and ultraviolet-visible spectroscopy. The absorption spectra show a strong surface plasmon absorption band at similar to 520 nm for all samples. Angular excitation spectra of the surface plasmon show a steep dip in the reflectivity curve at similar to 65 degrees. Charge transport behavior of the films is examined using metal-oxide-semi conductor (MOS) structures. MOS capacitor samples exhibit charge storage with discharge behavior dominated by electron transport within the gold NC arrays.
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页码：103 / 108
页数：6
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