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Showing 51-60 of 82

Emission color mapping of white-luminescent mesoporous carbon-silica nanocomposite

Publication
18th International Microscopy Congress
Muto, S. Sato, K.; Ishikawa, Y.; Bosman, M.; Ishii, Y.; Kawasaki, S.

Luminescent materials widely used for optical devices, such as light-emitting-diode, plasma display and liquid crystal display rely on the inner-shell transition of rare earth (RE) elements. Unstable RE supply, however, accelerates the importance for developing RE-free luminescent materials.
Electrically driven, phosphor-free, white light-emitting diodes using gallium nitride-based double concentric truncated pyramid structures

Publication
Light: Science & Applications
Lim, S. -H.; Ko, Y. -H.; Rodriguez, C.; Gong, S. -H.; Cho, Y. -H.

White light-emitting diodes (LEDs) are becoming an alternative general light source, with huge energy savings compared to conventional lighting.
Synthesis, up/down-conversion luminescence and cathodoluminescence properties of CaLa 2 ZnO 5: Er 3+/Yb 3+ nanocrystalline phosphors

Publication
Journal of Luminescence
Hussain, S. K.; Yu, J. S.

RE3+ (Er3+/Yb3+) ions co-activated CaLa2ZnO5 (CLZO) nanocrystalline phosphors were synthesized by a citrate sol–gel method. The crystallinity and phase formation of CLZO host lattice and CLZO: Er3+/Yb3+ phosphors were analyzed by X-ray diffraction patterns.
Visible surface plasmon modes in single Bi2Te3 nanoplate

Publication
Nano Letters
Zhao, M.; Bosman, M.; Danesh, M.; Zeng, M.; Song, P.; Darma, Y.; Rusydi, A.; Lin, H.; Qiu, C. -W.; Loh, K. P.

Searching for new plasmonic building blocks which offer tunability and design flexibility beyond noble metals is crucial for advancing the field of plasmonics.
Nanocathodoluminescence reveals the optical properties of III-nitride light emitting diodes

Media video
STEM-Cathodoluminescence of SnO2 nanowires and powders

Publication
Sensors and Actuators B: Chemical
Miller, D. R.; Williams, R. E.; Akbar, S. A.; Morris, P. A.; McComb, D. W.

For the first time, ultra-high spatial resolution STEM-cathodoluminescence has been applied to SnO2 nanowires and nanoparticles in order to study the spatial distribution of point defects that form deep levels in the band gap and often dictate their gas-sensor performance.
Novel near-infrared emission from crystal defects in MoS2 multilayer flakes

Publication
Nature Communications
Fabbri, F.; Rotunno, E.; Cinquanta, E.; Campi, D.; Bonnini, E.; Kaplan, D.; Lazzarini, L.; Bernasconi, M.; Ferrari, C.; Longo, M.; Nicotra, G.; Molle, A.; Swaminathan, V.; Salviati, G.

The structural defects in two-dimensional transition metal dichalcogenides, including point defects, dislocations and grain boundaries, are scarcely considered regarding their potential to manipulate the electrical and optical properties of this class of materials, notwithstanding the significant
Structural impact on the nanoscale optical properties of InGaN core-shell nanorods

Publication
Applied Physics Letters
Griffiths, J. T.; Ren, C. X.; Coulon, P. -M.; Le Boulbar, E. D.; Bryce, C. G.; Girgel, I.; Howkins, A.; Boyd, I.; Martin, R. W.; Allsopp, D. W. E.; Shields, P. A.; Humphreys, C. J.; Oliver, R. A.

III-nitride core-shell nanorods are promising for the development of high efficiency light emitting diodes and novel optical devices.
Investigation of plasmon resonance in metal/dielectric nanocavities for high-efficiency photocatalytic device

Publication
Physical Chemistry Chemical Physics
Rajput, N. S.; Shao-Horn, Y.; Li, X. -H.; Kim, S. -G.; Jouiad, M.

Photocatalytic nanostructures loaded with metallic nanoparticles are being considered as a potential candidate for designing efficient water splitting devices.
Monarc CL Detector: Wavelength Spectrum Imaging

Media video

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