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通过喷墨打印在介孔硅上合成的 SERS 活性银纳米粒子。

SERS active silver nanoparticles synthesized by inkjet printing on mesoporous silicon.

机构信息

Department of Applied Science and Technology, Politecnico di Torino, C.so Duca degli Abruzzi 24, 10129 Torino, Italy.

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

出版信息

Nanoscale Res Lett. 2014 Sep 25;9(1):527. doi: 10.1186/1556-276X-9-527. eCollection 2014.

DOI:10.1186/1556-276X-9-527
PMID:25288917
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4184171/
Abstract

UNLABELLED

Inkjet printing technique is exploited for the synthesis of Ag nanoparticles (NPs) patterned on electrochemically etched silicon-based substrates. The nanostructure morphology, here analyzed by scanning electron microscopy, is dictated by the ink composition and the printing parameters. Under suitable excitation conditions, resonant surface-enhanced Raman scattering (SERS) performed on such metal-dielectric nanostructures can approach single-molecule detection as recently demonstrated on silvered porous silicon synthesized by immersion plating.

PACS

78.67.Bf; 78.30.-j.

摘要

未加标签

喷墨打印技术被用于在电化学蚀刻的硅基衬底上图案化 Ag 纳米粒子 (NPs) 的合成。扫描电子显微镜分析表明，纳米结构形态取决于墨水成分和打印参数。在合适的激发条件下，对这种金属-介电纳米结构进行共振表面增强拉曼散射 (SERS) 分析，如最近在通过浸镀合成的镀银多孔硅上所证明的那样，可以达到单分子检测的水平。

PACS

78.67.Bf; 78.30.-j.

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