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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
Investigation of Raman techniques for biomedical applications
Published 2018“…Surface-Enhanced Raman Spectroscopy was first reported in the 1970s and has since been widely studied. …”
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Final Year Project (FYP) -
3
Monitoring the Wobbe Index of Natural Gas Using Fiber-Enhanced Raman Spectroscopy
Published 2018“…However, practical issues such as detection limit, gas exchange time and background Raman signals from the fiber material still pose obstacles to utilizing the scheme in real-world settings. …”
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Journal Article -
4
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5
Mechanistic insights into the origin of the oxygen migration barrier
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Article -
6
Investigation of wavelength-tunable supercontinuum light sources
Published 2013“…Although theses contributors are already indentified to be group-velocity dispersion, self-phase modulation, cross-phase modulation, stimulated Raman scattering, four-wave mixing and higher-order dispersion, their relative functions during the process still remain blurry. …”
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Final Year Project (FYP) -
7
Controllable charge transfer via DNA molecules
Published 2015“…Although the comprehensive fundamental description of charge transfer along DNA is still missing, the process can be categorized into oxidative holes and reductive electrons transfer/transport. …”
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Thesis-Doctor of Philosophy -
8
Synthesis and characterization of graphene oxide and graphene nanosheet
Published 2010“…However, these approaches mentioned above all have its own drawback and the reliable fabrication of large-area grapheme still remains a challenge. In this project, the author seeks to synthesize graphene using the well-established Hummer method in the first step, followed by the chemical reduction with the addition of hydrazine and KOH. …”
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Final Year Project (FYP) -
9
Interfacial control and carrier tuning of carbon nanotube/polyaniline composites for high thermoelectric performance
Published 2020“…While approaches have been successfully devised to optimize the power factor of inorganic thermoelectric (TE) materials, the understanding and control of TE performance of organic composite materials are however still rudimentary due to their complicated structures and weak interfacial interactions. …”
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Journal Article -
10
Selective removal of hydroxyl groups from graphene oxide
Published 2014“…The formation of graphene materials from graphene oxide through a chemical reduction method is still one of the most preferred routes. Numerous methods starting from various reducing agents have been developed to obtain near-pristine graphene sheets. …”
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Journal Article -
11
Synthesis and optical properties of GaN nanowires
Published 2015“…The complex signal shows the competition carrier recombination mechanism between band-filling effect, screening of internal electric field by photogenerated carriers, inhomogeneity and carrier localization.…”
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Final Year Project (FYP) -
12
Insights into Li+ Storage Mechanisms, Kinetics, and Reversibility of Defect-Engineered and Functionalized Multi-Walled Carbon Nanotubes for Enhanced Energy Storage
Published 2024“…However, the defect-rich and functionalized configuration for reversible Li+ storage in MWCNTs is still the subject of debate. Here, we report the design and synthesis of defect-engineered MWCNT-COOH using an acid-treatment method. …”
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Article -
13
Li3V2(PO4)3 nanocrystals embedded in a nanoporous carbon matrix supported on reduced graphene oxide sheets as cathode material for lithium-ion batteries
Published 2012“…The structure and morphology of the samples were characterized by FESEM, TEM, XRD, Raman spectroscopy, TGA and nitrogen adsorption-desorption isotherms. …”
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Final Year Project (FYP) -
14
Development of selenization/sulfurization-free CuIn(S,Se)2 for thin film solar cells applications
Published 2015“…However, since there is no high temperature selenization/sulfurization involved, the grain size of CuInS2 is still relatively small compared to those highly efficient Cu(InGa)(S,Se)2 solar cells. …”
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Thesis -
15
Functional properties of Yttrium Iron Garnett thin films on graphene-coated Gd3Ga5O12 for remote epitaxial transfer
Published 2024“…While the damping is higher in these studied films compared to YIG grown directly on GGG, the resulting properties are still very favorable compared to many other competing materials which can be grown without the need for lattice matched substrates, such as metallic ferromagnets.…”
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Article -
16
Pulsed fiber laser at 1 μm wavelength region
Published 2017“…The limiting factors for high power YDPFLs (such as ASE, Stimulated Raman Scattering (SRS) and Stimulated Brillouin Scattering (SBS)) are cautiously studied and addressed. …”
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Thesis -
17
Ultrahigh plateau-capacity sodium storage by plugging open pores
Published 2025“…In particular, a large portion of the capacity (490 mAh g-1) lies below the plateau of 0.25 V, which originates from the pore-filling mechanism as revealed by in situ Raman. This study provides a straightforward method to modulate the pore structure of carbon materials, and an energy-efficient (900 °C) synthesis for HC compared to traditional high-temperature routes (e.g., ≈1300-2000 °C).…”
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Journal Article -
18
Carbon–cement supercapacitors as a scalable bulk energy storage solution
Published 2024“…The energy storage capacity of this space-filling carbon black network of the high specific surface area accessible to charge storage is shown to be an intensive quantity, whereas the high-rate capability of the carbon-cement electrodes exhibits self-similarity due to the hydration porosity available for charge transport. …”
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Article -
19
In-plane aligned assemblies of 1D-nanoobjects : recent approaches and applications
Published 2020“…Optical polarizers are a typical class of such materials, but anisotropic materials properties can enhance the performance of devices and materials over many length scales in various disciplines of materials science including electronic devices, environmental sensors, energy saving and energy generation applications, plasmonic devices, Surface-Enhanced Raman Scattering (SERS) and biological applications. …”
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Journal Article -
20
Efficient Hydroxyapatite Extraction from Salmon Bone Waste: An Improved Lab-Scaled Physico-Chemico-Biological Process
Published 2024“…Through comprehensive chemical, physical, and biological assessments, including Raman spectroscopy and X-ray diffraction, we also optimized the extraction process. …”
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Article