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1
Control of ultrafast pulses in a hydrogen-filled hollow-core photonic-crystal fiber by Raman coherence
Published 2018“…We present the results of an experimental and numerical investigation into temporally nonlocal coherent interactions between ultrashort pulses, mediated by Raman coherence, in a gas-filled kagome-style hollow-core photonic-crystal fiber. …”
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Journal Article -
2
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 -
3
Measurement of stress evolution in pulse-reverse electrochemical deposition using Micro-Raman Spectroscopy
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Final Year Project (FYP) -
4
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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5
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 -
6
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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Thesis -
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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) -
9
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. …”
Journal article -
10
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 -
11
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) -
12
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 -
13
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 -
14
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) -
15
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 -
16
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 -
17
Three dimension (3D) hierarchical electrode (Au/rGO/CoPt3) for electrooxidation of ethanol in fuel cells
Published 2020Get full text
Journal Article -
18
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19
The effect of bonding structure of diamond like carbon (DLC) film with surface nickel coating upon laser annealing
Published 2021“…Visible Raman spectroscopy was used to examine the bonding structure evolution upon laser annealing and the effect on the bonding structure of a-C by introducing Ni onto the DLC film surface. …”
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Journal Article -
20
Improving the charge separation and collection at the buffer/absorber interface by double-layered Mn-substituted CZTS
Published 2020“…In this study, Cu2MnxZn1-xSnS4 (CMZTS) thin film were fabricated by a sol-gel spin coating technique to understand the effect of Mn on the device performance. …”
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Journal Article