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通过原位还原，喷墨打印银盐在多孔硅上直接形成银颗粒图案。

Direct patterning of silver particles on porous silicon by inkjet printing of a silver salt via in-situ reduction.

机构信息

Istituto Italiano di Tecnologia, Center for Space Human Robotics, Corso Trento 21, Torino, 10129, Italy.

出版信息

Nanoscale Res Lett. 2012 Sep 6;7(1):502. doi: 10.1186/1556-276X-7-502.

DOI:10.1186/1556-276X-7-502
PMID:22953722
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3526385/
Abstract

We have developed a method for obtaining a direct pattern of silver nanoparticles (NPs) on porous silicon (p-Si) by means of inkjet printing (IjP) of a silver salt. Silver NPs were obtained by p-Si mediated in-situ reduction of Ag+ cations using solutions based on AgNO3 which were directly printed on p-Si according to specific geometries and process parameters. The main difference with respect to existing literature is that normally, inkjet printing is applied to silver (metal) NP suspensions, while in our experiment the NPs are formed after jetting the solution on the reactive substrate. We performed both optical and scanning electron microscopes on the NPs traces, correlating the morphology features with the IjP parameters, giving an insight on the synthesis kinetics. The patterned NPs show good performances as SERS substrates.

摘要

我们开发了一种通过喷墨打印（IjP）银盐在多孔硅（p-Si）上获得银纳米粒子（NPs）直接图案的方法。银 NPs 是通过 p-Si 介导的 Ag+ 阳离子原位还原获得的，使用基于 AgNO3 的溶液，根据特定的几何形状和工艺参数直接打印在 p-Si 上。与现有文献的主要区别在于，通常喷墨打印应用于银（金属）NP 悬浮液，而在我们的实验中，NP 是在将溶液喷射到反应性衬底上后形成的。我们对 NPs 痕迹进行了光学和扫描电子显微镜观察，将形态特征与 IjP 参数相关联，深入了解了合成动力学。图案化的 NPs 作为 SERS 衬底表现出良好的性能。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7a2/3526385/bf08dc0b2efa/1556-276X-7-502-6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7a2/3526385/31546eaf2257/1556-276X-7-502-1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7a2/3526385/7655fa7807b4/1556-276X-7-502-2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7a2/3526385/b60517944614/1556-276X-7-502-3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7a2/3526385/7d27f391f37d/1556-276X-7-502-4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7a2/3526385/df79e2ef02ab/1556-276X-7-502-5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7a2/3526385/bf08dc0b2efa/1556-276X-7-502-6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7a2/3526385/31546eaf2257/1556-276X-7-502-1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7a2/3526385/7655fa7807b4/1556-276X-7-502-2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7a2/3526385/b60517944614/1556-276X-7-502-3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7a2/3526385/7d27f391f37d/1556-276X-7-502-4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7a2/3526385/df79e2ef02ab/1556-276X-7-502-5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7a2/3526385/bf08dc0b2efa/1556-276X-7-502-6.jpg

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