Results 41 to 50 of about 1,710 (199)
A new 3-D modelling method to extract subtransect dimensions from underwater videos [PDF]
, 2012 Underwater video transects have become a common tool for quantitative analysis of the seafloor. However a major difficulty remains in the accurate determination of the area surveyed as underwater navigation can be unreliable and image scaling does not ...
Fillinger, Laura, Funke, Tobias
core +2 more sources
Waveguide Coupled Full-Color Quantum Dot Light-Emitting Diodes Modulated by Microcavities
PhotonicsIntegrated light-emitting diodes (LEDs) with waveguides play an important role in applications such as augmented reality (AR) displays, particularly regarding coupling efficiency optimization.
Yilan Zhang +11 more
doaj +1 more source
All-Inorganic Red-Light Emitting Diodes Based on Silicon Quantum Dots
Crystals, 2019 We report herein an all-inorganic quantum dot light emitting diode (QLED) where an optically active layer of crystalline silicon (Si) is mounted. The prototype Si-QLED has an inverted device architecture of ITO/ZnO/QD/WO3/Al multilayer, which was ...
Batu Ghosh, Naoto Shirahata
doaj +1 more source
Comparison among Various Expressions of Complex Admittance for Quantum System in Contact with Heat Reservoir [PDF]
, 2009 Relation among various expressions of the complex admittance for quantum systems in contact with heat reservoir is studied. Exact expressions of the complex admittance are derived in various types of formulations of equations of motion under contact with
A. Abragam +13 more
core +1 more source
Opto-Electronic ScienceQuantum dot-based up-conversion photodetector, in which an infrared photodiode (PD) and a quantum dot light-emitting diode (QLED) are back-to-back connected, is a promising candidate for low-cost infrared imaging.
Jiao Jiao Liu +5 more
doaj +1 more source
Hybrid Liquid Metal Cathode Enables High‐Performance Intrinsically Stretchable OLEDs
Advanced Materials, EarlyView.We report a hybrid liquid metal (Hyb‐LM) cathode engineered via selective rupture of liquid metal particles (LMPs), forming a bilayer architecture with a surface liquid metal (LM) layer and underlying LMP layer, which has benefits of both LM and LMPs.
Wonbeom Lee +9 more
wiley +1 more source
A Review of Transient Characterization Techniques for Quantum Dot Light‐Emitting Diodes
Advanced Physics Research, EarlyView.This review surveys transient characterization techniques for quantum dot light‐emitting diodes, including TRPL, TREL, TA, and E‐TA. These methods resolve carrier‐selective dynamics across multiple time scales, enabling direct analysis of charge injection, exciton formation and recombination, efficiency roll‐off, and device degradation.
Jaekwon Kim +5 more
wiley +1 more source
Graphitic C3N4 quantum dots for next-generation QLED displays
Materials Today, 2019 Abstract Quantum dot light-emitting diode (QLED) displays are considered a next-generation technology, but previously reported quantum dots (QDs) consisting of heavy metals are toxic and harmful. This work examined earth-abundant, metal-free, graphitic C3N4 (g-C3N4) with exceptional optical and electronic properties, excellent chemical and thermal ...
Liangrui He +11 more
openaire +1 more source
, 2005 We have investigated the depletion voltage changes, the leakage current increase and the charge collection efficiency of a silicon microstrip detector identical to those used in the inner layers of the BaBar Silicon Vertex Tracker (SVT) after heavy non ...
/INFN, Pisa /Pisa U. /SLAC +12 more
core +4 more sources
The vegetalizing factor A member of the evolutionarily highly conserved activin family [PDF]
, 1992 The mesoderm and endoderm inducing vegetalizing factor was partially sequenced after BrCN cleavage. A sequence which is highly conserved in activin A near the C-terminal end was identified. This shows that the factor belongs to the activin family.
Geithe +35 more
core +1 more source