Haut PDF Synthesis and single-photon emission properties of graphene quantum dots
Synthesis and single-photon emission properties of graphene quantum dots
... study and understand the optical properties of GQD materials, we performed the bottom-up synthesis of different families of nanoparticles exhibiting controlled shapes and ...
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Synthesis and Optical Properties of Graphene Quantum Dots
... the synthesis and single photon emission properties of triangular-shaped ...functionalized graphene quantum dots that are in terms of structure ...
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Carrier transport properties in the vicinity of single seld-assembled quantum dots determined by low-voltage cathodoluminescence imaging
... Institute of Physics. 关DOI: 10.1063/1.3072613 兴 With the development of solid-state optoelectronic de- vices based on single self-assembled quantum dots 共QDs兲 such as nanolasers or ...
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Atomic scale investigations on CdxZn1−xSe quantum dots: Correlation between the composition and emission properties
... CdSe/ZnSe quantum dots (QDs) have attracted much in- terest due to their possible application in ...emitters and manufacturing of QDs ...sources of single photon operating ...
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Synthesis and optical propertiesd of graphene quantum dots
... study and understand the optical properties of GQD materials, we performed the bottom-up synthesis 5 of different families of nanoparticles exhibiting controlled shapes ...
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Synthesis and properties of graphene quantum dots and nanomeshes
... study of large PAHs started with the study of the absorption and emission of ...large emission band at 500 nm but its low solubility (especially when the molecule is not ...
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Synthesis and optical properties of graphene quantum dots
... study and understand the optical properties of GQD materials, we performed the bottom-up synthesis e of different families of nanoparticles exhibiting controlled shapes ...
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Biexciton binding of Dirac fermions confined in colloidal graphene quantum dots
... Measurement of biexciton emission in C168 is extremely challenging on account of the low photoluminescence quantum yield of C168 single excitons ...(∼0.002) and rapid rate ...
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Single photon emission from graphene quantum dots at room temperature
... nm and 630 nm can tentatively be attributed to the intrinsic α and p bands while the main one at 475 nm would be assi- gned to the β ...PLE and PL spectra are more complex than this first ...spectrum ...
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Single photon emission from graphene quantum dots at room temperature
... phonon emission line of the α band followed up with vibronic replicas, with a quantum of vibration ħΩ ∼ 170 ...lines of GQD superimpose well with the absorption spectrum of the ...
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Synthesis of Oxide-Free InP Quantum Dots: Surface Control and H2-Assisted Growth
... use of these materials as bio-labels, lasers, light-emitting diodes (LEDs), and solar ...Cd- and Pb-based systems, while others, such as III-V semicon- ductors (in particular InP), 6-7 have not been ...
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Atomistic theory of electronic and optical properties of InAsP/InP nanowire quantum dots
... fitting of the band structures from the M point to Ŵ to the A point is performed using a conjugate gradient method with stochastic basin hopping to avoid trapping in shallow local ...absence of strain ...
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Biexciton Quantum Yield of Single Semiconductor Nanocrystals from Photon Statistics
... instead of pulsed excitation, an analogous argument to the above (detailed in the Supplementary) gives g (2) (τ= 0)/g (2) (τ → ∞) = η bx /η x ...a single CdSe/CdZnS NC under pulsed weak ...representative ...
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On-chip single photon filtering and multiplexing in hybrid quantum photonic circuits
... capable of positioning and aligning nano-sized objects with < 250 nm position resolution and <1° rotation ...consists of a tungsten tip mounted on a xyz high-precision differential ...
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Applications of Single-Photon Two-Qubit Quantum Logic to the Quantum Information Science
... area of quantum in- formation science, since Bennett and Brassard [4] proposed their QKD protocol in 1984 (BB84), whose security is protected by the no-cloning theorem ...Security of BB84 also ...
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Electric-field controlled spin in bilayer triangular graphene quantum dots
... procedure of isolating single electron or hole should occur regardless of the size of the system since the top layer has always one less zero-energy state than the bottom ...ferromagnetic ...
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Fast exciton spin relaxation in single quantum dots
... dark and the two |J z =±1i states are bright and coupled to orthogonal circularly polarized light ...part of the electron-hole exchange interaction lifts their de- generacy and the dark states ...
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Bright gradient-alloyed CdSeₓS₁₋ₓ quantum dots exhibiting cyan-blue emission
... nucleation and growth of the nanocrystals, small aliquots (∼0.01 mL) of the reaction mixture were taken quickly at different growth periods/temperature; each aliquot was then dispersed in toluene with ...
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Applications of single-photon two-qubit quantum logic to the quantum information science
... By applying SPTQ quantum logic to different entangled states, I demonstrate several quantum information tasks such as transferring entanglement from the momentum qubit[r] ...
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A sharp upper bound on the spectral gap for convex graphene quantum dots
... analogue of the lower bound as in the Faber-Krahn inequality ...lower and upper bounds have been found for Dirac operators on two- dimensional manifolds without boundary (see for instance [6] and [1, ...
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