Ion beam induced optical and surface modification in plasmonic nanostructures
作者： Udai B. Singh , Subodh K. Gautam , Sunil Kumar , Sonu Hooda , Sunil Ojha
DOI: 10.1016/J.NIMB.2016.04.005
关键词: Ion 、 Optoelectronics 、 Plasmon 、 Raman scattering 、 Rutherford backscattering spectrometry 、 Irradiation 、 Analytical chemistry 、 Materials science 、 Ion beam 、 Raman spectroscopy 、 Localized surface plasmon
摘要: Abstract In present work, ion irradiation induced nanostructuring has been exploited as an efficient and effective tool for synthesis of coupled plasmonics nanostructures by using 1.2 MeV Xe ions on Au/ZnO/Au system deposited glass substrate. The results are correlated the basis their optical absorption, surface morphologies enhanced sensitivity evolved phonon modes UV Visible spectroscopy, scanning electron microscopy (SEM), Raman spectroscopy (RS), respectively. Optical absorbance spectra plasmonic (NSs) show a decrease in band gap, which may be ascribed to formation defects with irradiation. morphology reveals percolated NSs upon Rutherford backscattering spectrometry (RBS) study clearly shows multilayer system. Furthermore, RS measurements samples studied understand mode at 573 cm−1 along other modes. As compared pristine sample, stronger pronounced evolution these is observed further irradiation, indicates localized plasmon intensity Zinc oxide (ZnO) material. Thus, such can used scattering (SERS) substrates.
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