Results 11 to 20 of about 35,825 (292)
A REVIEW ON QUANTUM DOTS (QDS)
Journal of Advanced Scientific Research, 2022 Recently, the drugs in nanometer size range have found to increase the performance of various dosage forms. Quantum dots (QDs) have gained attention and interest of scientists due to their targeting and imaging potential in nano based drug delivery, in pharmaceutical and biomedical (cell biology) applications.
Namrata Ramesh Gadakh +3 more
openaire +1 more source
Modeling electronic and optical properties of III–V quantum dots—selected recent developments
Light: Science & Applications, 2022 Electronic properties of selected quantum dot (QD) systems are surveyed based on the multi-band k·p method, which we benchmark by direct comparison to the empirical tight-binding algorithm, and we also discuss the newly developed “linear combination of ...
Alexander Mittelstädt +2 more
doaj +1 more source
Double quantum dots in atomically-precise graphene nanoribbons
Materials for Quantum Technology, 2023 Bottom-up synthesized graphene nanoribbons (GNRs) are precise quantum materials, offering a high degree of tunability of their physical properties. While field-effect transistors and single quantum dot (QD) devices have been reported, the fabrication of ...
Jian Zhang +9 more
doaj +1 more source
Device Modeling of Quantum Dot–Organic Light Emitting Diodes for High Green Color Purity
Applied Sciences, 2021 In this study, the optimal structure for obtaining high green color purity was investigated by modeling quantum dot (QD)–organic light-emitting diodes (OLED).
Byoung-Seong Jeong
doaj +1 more source
Study the energy states and absorption coefficients of quantum dots and quantum anti-dots with hydrogenic impurity under the applied magnetic field [PDF]
Journal of Optoelectronical Nanostructures, 2022 In this work, the effect of magnetic field onelectronic spectra and absorption coefficient of 𝐺𝑎𝐴𝑠/𝐺𝑎1−𝑥 𝐴𝑙𝑥𝐴𝑠 spherical quantum dot (QD) and𝐺𝑎1−𝑥 𝐴𝑙𝑥𝐴𝑠/𝐺𝑎𝐴𝑠 spherical quantum anti-dot (QAD)with hydrogenic impurity are reported both theoreticallyand ...
Fatemeh Rahimi +3 more
doaj +1 more source
Binding energy in tuned quantum dots under an external magnetic field [PDF]
Journal of Optoelectronical Nanostructures, 2022 The binding energy of a tuned quantum dot (QD) under an external magnetic field have been theoretically investigated. For this goal, the Schrödinger equation is analytically solved without and with considering the impurity term and the energy eigenvalues
Mojtaba Servatkhah +2 more
doaj +1 more source
Heliyon, 2023 In this work, we have experimentally investigated the impact of light trapping on the performance of InAs/GaAs quantum dot (QD) solar cells. To increase the amount of absorbed near-infrared photons, we fabricated a thin-film QD solar cell with a backside
Yusuke Oteki, Yoshitaka Okada
doaj +1 more source
Modelling charge transport and electro-optical characteristics of quantum dot light-emitting diodes
npj Computational Materials, 2021 s Quantum dot light-emitting diodes (QD-LEDs) are considered as competitive candidate for next-generation displays or lightings. Recent advances in the synthesis of core/shell quantum dots (QDs) and tailoring procedures for achieving their high quantum ...
Sung-Min Jung +16 more
doaj +1 more source
Strong electron-photon coupling in one-dimensional quantum dot chain: Rabi waves and Rabi wavepackets [PDF]
, 2009 We predict and theoretically investigate the new coherent effect of nonlinear quantum optics -- spatial propagation of Rabi oscillations (Rabi waves) in one-dimensional quantum dot (QD) chain.
A. Hoffmann +13 more
core +1 more source