Results 41 to 50 of about 53,002 (228)

CdSe nanorod/TiO2 nanoparticle heterojunctions with enhanced solar- and visible-light photocatalytic activity

open access: yesBeilstein Journal of Nanotechnology, 2017
CdSe nanorods (NRs) with an average length of ≈120 nm were prepared by a solvothermal process and associated to TiO2 nanoparticles (Aeroxide® P25) by annealing at 300 °C for 1 h. The content of CdSe NRs in CdSe/TiO2 composites was varied from 0.5 to 5 wt
Fakher Laatar   +7 more
doaj   +1 more source

Giant Intrinsic Chirality Amplification of Aqueous Lead Halide Perovskite Nanocrystals via H‐Bond Driven Self‐Assembly Superstructures

open access: yesAdvanced Functional Materials, EarlyView.
Water‐assisted monoclinic CsPbBr3 transformation strategy is applied for synthesizing aqueous CsPbBr3/CsPb2Br5 nanocrystals with superior water‐repellent and excellent optical property. Low temperature enhanced hydrogen bonding network self‐assembled CsPbBr3/CsPb2Br5 nanocrystals into asymmetric superstructures, which exhibit notable circularly ...
Mei Huang   +7 more
wiley   +1 more source

Size Dependence of the Multiple Exciton Generation Rate in CdSe Quantum Dots

open access: yes, 2010
The multiplication rates of hot carriers in CdSe quantum dots are quantified using an atomistic pseudopotential approach and first order perturbation theory.
Franceschetti, Alberto   +2 more
core   +1 more source

Quantum dot solar cell studies on the influence of Cadmium Selenide(CdSe)QDs and the Zinc Sulfide(ZnS)QDs in the photoanode

open access: yesMATEC Web of Conferences, 2018
The mixture between the difference semiconductor quantum dot sensitizer which is cadmium selenide(CdSe) and zinc sulfide (ZnS) into the Dye-synthesis solar cell (DSSCs) can affect the value of resistance and capacity photoanode in the system.In this ...
Saad Mohammad Azren   +6 more
doaj   +1 more source

Ferroelectric Quantum Dots for Retinomorphic In‐Sensor Computing

open access: yesAdvanced Materials, EarlyView.
This work has provided a protocol for fabricating retinomorphic phototransistors by integrating ferroelectric ligands with quantum dots. The resulting device combines ferroelectricity, optical responsiveness, and low‐power operation to enable adaptive signal amplification and high recognition accuracy under low‐light conditions, while supporting ...
Tingyu Long   +26 more
wiley   +1 more source

High-energy exciton transitions in quasi-two-dimensional cadmium chalcogenide nanoplatelets

open access: yes, 2017
Semiconductor nanoparticles of cadmium chalcogenides are known to exhibit pronounced thickness-dependent $E_0$ series of exciton transitions at the $\Gamma$ point of the Brillouin zone (BZ).
Lazareva, Elizabeth P.   +7 more
core   +1 more source

Electrochemically Grown Cadmium(II) Selenide Nanowires Coated by Au Nanoparticles: Photocatalytic Properties

open access: yesInternational Journal of Electrochemical Science, 2019
The control of the nanoparticles coating on the semiconductor nanowires and the photocatalytic processes can help to understand the importance for the potential application of nanostructures as photocatalysts. Here, Au nanoparticles-coated CdSe nanowires
Shuisheng Wu   +4 more
doaj   +1 more source

Manipulation of the Optical Properties of Colloidal 2D CdSe Nanoplatelets

open access: yesAdvanced Photonics Research, 2021
Driven by the unique optoelectronic features arising from the strong quantum confinement along the thickness direction, rapid development of CdSe‐based nanoplatelets (NPL) has accomplished facile bandgap tunability over a broad spectrum via different ...
Zitong Zhang, Handong Sun
doaj   +1 more source

Bioinspired Adaptive Sensors: A Review on Current Developments in Theory and Application

open access: yesAdvanced Materials, EarlyView.
This review comprehensively summarizes the recent progress in the design and fabrication of sensory‐adaptation‐inspired devices and highlights their valuable applications in electronic skin, wearable electronics, and machine vision. The existing challenges and future directions are addressed in aspects such as device performance optimization ...
Guodong Gong   +12 more
wiley   +1 more source

Quantitative Analysis of Photo-Thermal Stability of CdSe/CdS Core-Shell Nanocrystals

open access: yes, 2005
We report here investigations on the instability in luminescence of bare (TOPO-stabilized) and CdS- capped CdSe particles under infrared radiation. During photo-thermal annealing the formation of oxide layers on the surfaces of the particles create ...
A. Singha, Anushree Roy, Efros
core   +1 more source

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