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Mildly reduced graphene oxide-Ag nanoparticle hybrid films for surface-enhanced Raman scattering
Published 2013“…The Ag NPs with narrow gap provided numerous hot spots, which are closely related with electromagnetic mechanism (EM), and were believed to remarkably enhance the Raman signal of the molecules. Due to the co-contribution of the CM and EM effects as well as the coordination mechanism between the MR-GO and Ag NPs, the MR-GO-Ag NP hybrid films showed more excellent Raman signal enhancement performance than that of either Ag films or MR-GO monolayer alone. …”
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Journal Article -
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Measurement of stress evolution in pulse-reverse electrochemical deposition using Micro-Raman Spectroscopy
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Final Year Project (FYP) -
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Raman spectra and defect chemical characteristics of Sr(Ti,Fe)O3−y solid solution of bulk pellets vs. thin films
Published 2024“…We synthesize a standard range of compositions containing 1–75 mol% of iron including the end members in the form of macrocrystalline bulk pellets, nanocrystalline poly- and single crystalline thin films. Through the change in both iron substitution level and microstructure, we directly see the effect of defect chemistry such as its phase, transition metal ion valence and oxygen nonstoichiometry on the Raman spectra. …”
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3-D Topology Optimization of Spatially Averaged Surface-Enhanced Raman Devices
Published 2024“…Representative applications include light-emitting diodes, thermal emitters, and Raman sensing. Previous efforts in full-scale topology optimization for Surface Enhanced Raman Sensing (SERS) have predominantly focused on single particle emissions or two-dimensional systems, which are impractical for actual fabrication. …”
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Thesis -
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Carbon nanotube fence-wall for radio frequency isolation
Published 2016“…Next a study of how high density carbon nanotube forests, termed carbon nanotube fence-wall, were used for electromagnetic shielding was carried out. …”
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Thesis -
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SPP/LSP coupled hybrid mode directed multi-functional surface-enhanced Raman system
Published 2013“…Surface-enhanced Raman scattering (also termed as SERS) from single nanosphere-film junction is realized, which is of significance for SERS as a quantitative analytical tool. …”
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Development and optimization of polystyrene nanoparticle templated optical fiber platform for in vivo surface enhanced Raman spectroscopy.
Published 2011“…The report presents the development and optimization of a new class of Surface Enhanced Raman Scattering (SERS) based optical fiber sensing platform known as metal-film over nanospheres (MFON) SERS active fiber. …”
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Final Year Project (FYP) -
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Diamond film growth on the Mo–Re alloy foil
Published 2010“…The morphology, band structures and crystalline structure of the film were analysed by scanning electron microscopy (SEM), Raman spectroscopy and X-ray diffractometer (XRD), respectively. …”
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Synthesis of single walled carbon nanotubes by remote plasma enhanced chemical vapor deposition
Published 2009“…Single walled carbon nanotubes (SWNTs), due to their unique electronic and mechanical properties have been receiving much attention especially from electronic industry for a wide range of application. …”
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Final Year Project (FYP) -
13
Characterization of thin films by filtered cathodic vacuum arc technology
Published 2008“…Atomic force microscopy(AFM), Raman, and X-ray photoelectron spectroscopy (XPS) were used to characterize themorphologyand structure ofthe films. …”
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Research Report -
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Investigation of Ni as Zn substitute in CZTS thin film solar cell
Published 2018“…Thin film solar cell technology based on Cu2ZnSn(S,Se)4 (CZTSSe) holds great promise due to the abundancy of its constituent elements and their environmentally friendly nature. …”
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Final Year Project (FYP) -
15
Direct growth of nanocrystalline hexagonal boron nitride films on dielectric substrates
Published 2015“…Atomically thin hexagonal-boron nitride (h-BN) films are primarily synthesized through chemical vapor deposition (CVD) on various catalytic transition metal substrates. …”
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Journal Article -
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Structural Study of the Apatite Nd 8 Sr 2 Si 6 O...
Published 2016“…A single-crystal structure determination of Nd8Sr2Si6O26 apatite, a prototype intermediate-temperature electrolyte for solid oxide fuel cells grown by the floating-zone method, was completed using the combination of Laue neutron diffraction and Raman spectroscopy. …”
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Journal Article -
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Permeability-controllable SERS biosensor based on enzymatic degradable multilayered polyelectrolyte film
Published 2015“…A permeability-controllable SERS-based sensing strategy is developed by utilizing the layer-by-layer thin film fabrication on silver nanoflower-modified substrate. …”
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Final Year Project (FYP) -
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Direct measurement of coherent phonon dynamics in solution-processed stibnite thin films
Published 2014“…We report observations of coherent phonon oscillations in solution-processed polycrystalline stibnite (Sb2S3) photovoltaic thin films using transient absorption spectroscopy. Detailed optical spectroscopy correlated by extensive first-principles lattice dynamics calculations indicates that the coherent B3g longitudinal optical phonon mode with a frequency of 63.74 ± 0.05 cm−1 (or 1.911 ± 0.002 THz) at room temperature is generated via the impulsive stimulated-Raman-scattering mechanism. …”
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Journal Article -
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Insights into Li+ Storage Mechanisms, Kinetics, and Reversibility of Defect-Engineered and Functionalized Multi-Walled Carbon Nanotubes for Enhanced Energy Storage
Published 2024“…To overcome these challenges, multi-walled carbon nanotubes (MWCNTs) have been explored as an alternative, offering Li+ storage within the interplanar space between graphene sheets, along with excellent electrical conductivity, and eco-friendliness. …”
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Development of selenization/sulfurization-free CuIn(S,Se)2 for thin film solar cells applications
Published 2015“…Solar cells fabricated using both CuInS2 thin film and CuInSSe microcrystals showed a better performance compared using just CuInS2 thin film. …”
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Thesis