Facet-Engineered Surfaces of Two-Dimensional Layered BiOI and Au–BiOI Substrates for Tuning the Surface-Enhanced Raman Scattering and Visible Light Photodetector Response

2019 ◽  
Vol 2 (6) ◽  
pp. 3906-3915 ◽  
Author(s):  
Muvva D. Prasad ◽  
M. Ghanashyam Krishna ◽  
Sudip K. Batabyal
Keyword(s):  
Raman Scattering ◽  
Visible Light ◽  
Surface Enhanced Raman Scattering ◽  
Two Dimensional ◽  
Surface Enhanced ◽  
Engineered Surfaces ◽  
Surface Enhanced Raman ◽  
Enhanced Raman Scattering

scholarly journals Development of Effectual Substrates for SERS by Nanostructures-on flexible surfaces

2021 ◽  
Vol 2114 (1) ◽  
pp. 012084
Author(s):  
Hammad R. Humud ◽  
Fatimah Jumaah Moaen
Keyword(s):  
Raman Scattering ◽  
Ag Nanoparticles ◽  
Surface Enhanced Raman Scattering ◽  
Wave Number ◽  
Plasmonic Nanostructures ◽  
Sers Substrate ◽  
Two Dimensional ◽  
Surface Enhanced ◽  
Surface Enhanced Raman ◽  
Enhanced Raman Scattering

Abstract The current study examines recent advancements in surface-enhanced Raman scattering (SERS), a technique that employs flexible surfaces as an active substrate, this surfaces consist from two-dimensional thermo-plasmonic grating. With 53 nm Au layer (was deposited on the 2D grating structure of the PDMS by the PVD method). The explosive wire technique was used to preparing Ag nanoparticles that were used for the purpose of SERS. The effect of the plasmonic nanostructures on the absorption spectra and Surface - Enhanced Raman Scattering (SERS) activities was examined. Rhodamine 6G dye was used as a probe molecule. X-Ray diffraction (XRD) was used to examine the structural characteristics of the nanoparticles. The morphology was assessed using Field Emission Scanning Electron Microscopy(FESEM). A twin beam UV-Vis Spectrophotometer was used to measure the absorption of the combined Rh6G dye (concentration 1×10“–6M) with the nanostructures. a Sunshine Raman microscope system and a 50mm objective lens, used for investigating the Raman spectra of the Rh6G combined with nanostructures. The results showed that the enhancement factor (EF) for SERS of R6G (1×M) reached to (2.2×10 3) When using Ag nanoparticles and (0.08 × 103) when R6G deposited directly on the flexible substrates without nanostructures at the wave number (1650 cm−1), we produced a recyclable, homogeneous, and highly sensitive SERS substrate with dependable reproducibility. For the SERS substrate, a surface made up of two-dimensional (2D) flexible grating substrates was chosen to provide multiple modalities in electrical and medicinal applications.

Particle size dependence of the surface-enhanced Raman scattering properties of densely arranged two-dimensional assemblies of Au(core)–Ag(shell) nanospheres

2015 ◽  
Vol 17 (33) ◽  
pp. 21182-21189 ◽  
Author(s):  
Kosuke Sugawa ◽  
Tsuyoshi Akiyama ◽  
Yoshimasa Tanoue ◽  
Takashi Harumoto ◽  
Sayaka Yanagida ◽  
...  
Keyword(s):  
Particle Size ◽  
Raman Scattering ◽  
Size Dependence ◽  
Surface Enhanced Raman Scattering ◽  
Two Dimensional ◽  
Sensor Platforms ◽  
Highly Sensitive ◽  
Surface Enhanced ◽  
Surface Enhanced Raman ◽  
Enhanced Raman Scattering

Densely arranged two-dimensional assemblies of larger plasmonic Au(core)–Ag(shell) nanospheres promising for the development of highly sensitive SERS sensor platforms.

Visible-light and near-infrared fluorescence and surface-enhanced Raman scattering point-of-care sensing and bio-imaging: a review

2022 ◽  
Author(s):  
Yingjie Hang ◽  
Jennifer Boryczka ◽  
Nianqiang Wu
Keyword(s):  
Raman Scattering ◽  
Visible Light ◽  
Near Infrared ◽  
Point Of Care ◽  
Surface Enhanced Raman Scattering ◽  
Near Infrared Fluorescence ◽  
Surface Enhanced ◽  
Surface Enhanced Raman ◽  
Bio Imaging ◽  
Enhanced Raman Scattering

This article reviews the principles, design and applications of visible-light and near-infrared fluorescence and surface-enhanced Raman scattering in point-of-care testing and bio-imaging.

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