[PDF] Top 20 Charge and exciton dynamics in quantum dot light-emitting diodes

... In order to obtain electroluminescence from the QDs, there must be efficient exciton formation from injected charges in a device. This requires both facile injection[r] ... Voir le document complet

... injection in p-doped (In, Ga)As/GaAs quantum-dot (QD) spin light-emitting diodes (spin LEDs) under zero applied magnetic ...measured in remanence up to 100 ... Voir le document complet

... sample and the atom probe specimen shows that there was no loss or rearrangement of indium during the FIB ...mocro-photoluminescence and ex-situ cathodoluminescence) and structural (XRD, AFM, STEM ... Voir le document complet

... the dot height in the active region of the device structure was achieved using the In flush process [ 10 , 11 ], which consists in removing all surface-resident In at a certain position ... Voir le document complet

... semiconductor in microelectronics industry but it presents an indirect bandgap unable to produce photons ...emission in the transparency region of ...grow quantum dot (QD) or quantum ... Voir le document complet

... characteristics, and external quantum efficiency spectra are recorded and shown in ...rise in the current den- sity. 13 We observe progressive improvement in EQE [ ...increase ... Voir le document complet

... system in a He flow cryostat at a temperature of 4 ...cated in the ...ps and a repeti- tion rate of 80 ...objective and sent to a 50/50 beam splitter for correla- tion measurements. In ... Voir le document complet

... shown in this work, it is possible to insert a slice of a low band gap semiconductor within a high band gap NW and realize a light emitting quantum dot (QD) [11, ...combinations ... Voir le document complet

... QD and an optical microcavity ...mixed exciton photon states by photoluminescence. The quantum dots we use are quantum dots formed at the interface fluctuations of a thin GaAs quantum ... Voir le document complet

... Abstract: In this work, we propose the use of flavones that can be derived from natural products as versatile high performance visible light photoinitiators initially with amino acid and later with ... Voir le document complet

... reported in table 1 show that all the devices emitted a pure blue light and that the DVPBi host tends to take the emission colour of the carbazolic ...an emitting layer in a five-layer ... Voir le document complet

... substrates and transfer them onto OLED substrates using a simple water floating ...cracks in the HC2 films attributed to the soft PnBuA block (low glass transition temperature Tg = −55 °C) allowed carrying ... Voir le document complet

... W. In conclusion, implementation of DC growth sequence coupled with optimization of SL thickness by means of strain compensation allowed to demonstrate an InP-based QD gain mirror comprising dense QD ...VECSEL ... Voir le document complet

... radiative and non-radiative) in GaN compounds are not well understood, especially in the presence of InGaN quantum ...density in GaN-on-sapphire is typically ∼ 10 10 cm −2 : at such a ... Voir le document complet

... triangular in cross-section with one polar c-plane facet and two semi-polar ...polarization, and geometry of the active quantum well (QW) region —must be taken into ...shape and growth ... Voir le document complet

... spectra and luminance-voltage characteristics of dendrimers IrC1, IrC3 and IrF2 based ...energy and/or charge transfer from the host to the iridium core upon electrical ...IrC3 and IrF2 ... Voir le document complet

... role in optical datacom and telecom ...internet and mobile phones are available all around the ...rise in cost-effective information transmission would not have been possible without the ... Voir le document complet

... a quantum computer based on solid state spin qubits 1 has led to an intensive effort in the realization of spin qubits on the basis of double quantum ...encoded in the first of the ... Voir le document complet

... transitions in quantum dots [ 1 – 3 ...upper and lower state during the pulse, at the Rabi frequency
ðtÞ ¼
AðtÞ=@ where
is the dipole moment of the transition and AðtÞ the electric field ... Voir le document complet

... UV Light emitting diodes (LEDs) based on Al x Ga 1-x N material are nowadays gaining particular attention due to their potential for replacing mercury lamps, currently used for sterilization ... Voir le document complet