In situ patterning of hierarchical nanoporous gold structures by in-plane dealloying

Fusheng Zhao; Jianbo Zeng; Greggy M. Santos; Wei-Chuan Shih

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In situ patterning of hierarchical nanoporous gold structures by in-plane dealloying

机译：通过平面内脱合金原位图案化纳米多孔金结构

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摘要

We report a novel in situ patterning method that generates hierarchical nanoporous gold (NPG) structures such as sub-micron NPG disks and microscale NPG patterns during dealloying for the first time. Our patterning method also enables the quantification of dealloying rate by scanning electron microscopy (SEM) without the need for depth-resolving imaging modalities. As potential applications, we demonstrate that the hierarchical NPG dot arrays are effective for surface-enhanced Raman scattering (SERS) and metal-enhanced fluorescence (MEF), both are highly sensitive molecular sensing techniques.

机译：我们报告了一种新颖的原位图案化方法，该方法首次在脱合金过程中产生了亚纳米级NPG磁盘和纳米级NPG图案等分层纳米孔金（NPG）结构。我们的图案化方法还可以通过扫描电子显微镜（SEM）量化脱合金率，而无需深度解析成像模式。作为潜在的应用，我们证明了分层NPG点阵列对于表面增强拉曼散射（SERS）和金属增强荧光（MEF）是有效的，这两种都是高度敏感的分子传感技术。

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来源
《Materials Science and Engineering》 |2015年第4期|34-40|共7页
作者
Fusheng Zhao; Jianbo Zeng; Greggy M. Santos; Wei-Chuan Shih;
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作者单位

Department of Electrical and Computer Engineering, University of Houston, Houston, TX 77204, USA;

Department of Electrical and Computer Engineering, University of Houston, Houston, TX 77204, USA;

Department of Electrical and Computer Engineering, University of Houston, Houston, TX 77204, USA;

Department of Electrical and Computer Engineering, University of Houston, Houston, TX 77204, USA,Department of Biomedical Engineering, University of Houston, Houston, TX 77204, USA;

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正文语种 eng
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关键词
Hierarchical nanoporous gold; In-plane dealloying; Surface-enhanced Raman scattering (SERS);

机译：分层纳米多孔金;飞机内解雇;表面增强拉曼散射（SERS）;

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专利

1. Enhanced electro-catalytic performance of Pd-based hierarchical nanoporous structures fabricated by micropatterning and dealloying of Pd-Ni-P metallic glass [J] . Nanotechnology . 2020,第15期

机译：增强了通过微图案化和PD-Ni-P金属玻璃制造的Pd基分层纳米多孔结构的电催化性能
2. Dealloying solution dependence of fabrication, microstructure and porosity of hierarchical structured nanoporous copper ribbons [J] . Liu Wenbo, Chen Long, Yan Jiazhen, Corrosion science . 2015,第may期

机译：脱合金溶液对制造，层级结构化纳米多孔铜带的微观结构和孔隙率的依赖性
3. A facile one-pot dealloying strategy to synthesize monolithic asymmetry-patterned nanoporous copper ribbons with tunable microstructure and nanoporosity [J] . Liu Wenbo, Xin Chenglai, Chen Long, RSC Advances . 2016,第4期

机译：一个容易的一锅蓄电池策略，可将单片不对称型纳米多孔铜带合成可调谐微观结构和纳米孔隙度
4. In Situ UV-Visible Optical Spectroscopy Study of Nanoporous Gold Formation By Electrolytic Dealloying [C] . Joel Chacko, John S Corsi, Samuel S. Welborn, Meeting of the Electrochemical Society;International Meeting on Chemical Sensors . 2020

机译：纳米富紫外光光谱法研究纳米多孔金形成通过电解造砖
5. Dealloying and Synthesis of Nanoporous Platinum and Gold from Silver-Platinum and Silver-Gold Binary Alloys. [D] . Ganti Mahapatruni, Aditya. 2010

机译：由银-铂和银-金二元合金脱金属和纳米孔铂和金的合成。
6. Effects of Cold Rolling and Annealing Prior to Dealloying on the Microstructure of Nanoporous Gold [O] . Hanyu Hui, Re Xia, Juying Li, 2018

机译：脱合金前的冷轧和退火处理对纳米多孔金组织的影响
7. Direct-write patterning of nanoporous gold microstructures by in situ laser-assisted dealloying [O] . Jingting Li, Fusheng Zhao, Wei-Chuan Shih 2016

机译：纳米多孔金微观结构的直接写图案化的原位激光辅助探讨

In situ patterning of hierarchical nanoporous gold structures by in-plane dealloying

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