Results 71 to 80 of about 2,529,540 (368)

Enhanced mobility CsPbI3 quantum dot arrays for record-efficiency, high-voltage photovoltaic cells

open access: yesScience Advances, 2017
Perovskite quantum dot coupling tuned by A-site cation halide treatment yields a record quantum dot solar cell efficiency. We developed lead halide perovskite quantum dot (QD) films with tuned surface chemistry based on A-site cation halide salt (AX ...
E. Sanehira   +9 more
semanticscholar   +1 more source

Consolidate Overview of Ribonucleic Acid Molecular Dynamics: From Molecular Movements to Material Innovations

open access: yesAdvanced Engineering Materials, EarlyView.
Molecular dynamics simulations are advancing the study of ribonucleic acid (RNA) and RNA‐conjugated molecules. These developments include improvements in force fields, long‐timescale dynamics, and coarse‐grained models, addressing limitations and refining methods.
Kanchan Yadav, Iksoo Jang, Jong Bum Lee
wiley   +1 more source

Shape Memory Polymer‐Based Hook‐and‐Loop Fastener for Robust Bonding and on‐Demand Easy Separation

open access: yesAdvanced Engineering Materials, EarlyView.
A 3D shape memory polymer‐based hook‐and‐loop fastener, fabricated using projection microstereolithography and molding, offers tunable bonding strength through temperature control. When heated from 25 to 70 °C, the fastener softens and deforms easily, reducing bonding strength by 20‐fold for on‐demand easy separation.
Chen Yang   +5 more
wiley   +1 more source

Formation InAs Quantum Dots in a Matrix GaAs in Kinetic Mode for CVD-method [PDF]

open access: yesЖурнал нано- та електронної фізики, 2017
We present the results of theoretical study for the kinetic mode of quantum dot formation in the InAs / GaAs system. The theory is valid at the kinetic stage of quantum dot formation, when the island ensemble remains dilute and thus noninteracting.
S.K. Guba
doaj   +1 more source

Modeling the deformation of the semiconductor quantum dot with a multilayer shell in a living cell

open access: yesФізика і хімія твердого тіла, 2023
The model of the semiconductor quantum dot with a multilayer shell and the quantum dot-human serum albumin bionanocomplex, which are contained in a living cell, was constructed.
O.V. Kuzyk   +4 more
doaj   +1 more source

Highly stable QLEDs with improved hole injection via quantum dot structure tailoring

open access: yesNature Communications, 2018
For the state-of-the-art quantum dot light-emitting diodes, while the ZnO nanoparticle layers can provide effective electron injections into quantum dots layers, the hole transporting materials usually cannot guarantee sufficient hole injection owing to ...
Weiran Cao   +6 more
semanticscholar   +1 more source

High‐Resolution Reverse Offset Printed Electroluminescent Multipixel Arrays for Scalable Future Wearable Displays

open access: yesAdvanced Engineering Materials, EarlyView.
This study explores the effects of pixel size and spacing when fabricating electroluminescent (EL) multipixel displays. COMSOL simulations identify the impact of pixel dimensions and spacing on electric field distribution and lighting efficiency. Flexible, high‐resolution EL pixel arrays are reverse offset printed, achieving a 96% reduction in pixel ...
Huanghao Dai   +3 more
wiley   +1 more source

Photoluminescence of patterned arrays of vertically stacked InAs/GaAs quantum dots [PDF]

open access: yesSolid State Commun. 151 (2011) 269-271, 2010
We report on photoluminescence measurements of vertically stacked InAs/GaAs quantum dots grown by molecular-beam epitaxy on focused ion beam patterned hole arrays with varying array spacing. Quantum dot emission at 1.24 eV was observed only on patterned regions, demonstrating preferential nucleation of optically-active dots at desired locations and ...
arxiv   +1 more source

Hybrid graphene-quantum dot phototransistors with ultrahigh gain. [PDF]

open access: yesNature Nanotechnology, 2011
Graphene is an attractive material for optoelectronics and photodetection applications because it offers a broad spectral bandwidth and fast response times.
G. Konstantatos   +7 more
semanticscholar   +1 more source

Graphene Quantum Dots

open access: yesParticle & Particle Systems Characterization, 2013
Graphene quantum dots (GQDs) are nanometer‐sized fragments of graphene that show unique properties, which makes them interesting candidates for a whole range of new applications. This review article gives an overview of the synthesis, properties and applications of GQDs. Synthesis methods discussed include top‐down and bottom‐up approaches.
Siobhan J. Bradley   +2 more
openaire   +4 more sources

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