Surface Enhancement in Ferroelectric Lithographic Silver Nanowires

Dylan Matthew Cromer


This paper investigates surface-enhanced Raman spectroscopy (SERS), an important characterization technique with many applications in detection and analysis of trace substances. An electrostatic model of surface enhancement from nano-scale spherical particles is explored, and results from Raman spectroscopy using silver nanoparticles deposited in linear arrays by ferroelectric lithography as SERS substrates are presented. The electrostatic model provides an analytically solved, conceptually simple starting point for SERS theory, whereas fully realistic models must be realized with computational techniques. The experimental results presented show both evidence for and against SERS activity using ferroelectric lithographic substrates. Future theoretical development and experimental work is discussed.


Raman Spectroscopy; Surface Enhancement; Nanoparticles

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