Results 41 to 50 of about 148,101 (342)

Size-Dependent Photophysical Behavior of Low Bandgap Semiconducting Polymer Particles

open access: yesFrontiers in Chemistry, 2019
The photophysics of water and propan-1-ol suspensions of poly [N-9”-heptadecanyl-2,7-carbazole-alt−5,5-(4,7-di-2-thienyl-2′,1′,3′- benzothiadiazole)] (PCDTBT) nanoparticles and mesoparticles has been studied by ultrafast spectroscopy.
Tersilla Virgili   +8 more
doaj   +1 more source

Optimization and Characterization of Electrodeposited Cadmium Selenide on Monocrystalline Silicon

open access: yesNanomaterials, 2022
In this work, the optimal conditions for the electrodeposition of a CdSe film on n-Si were demonstrated. The structural and optical properties of the bare films and after annealing were studied.
Walter Giurlani   +5 more
doaj   +1 more source

Monolayer MoS2 for nanoscale photonics

open access: yesNanophotonics, 2020
Transition metal dichalcogenides are two-dimensional semiconductors with strong in-plane covalent and weak out-of-plane interactions, resulting in exfoliation into monolayers with atomically thin thickness.
Yang Xianguang, Li Baojun
doaj   +1 more source

Light-Driven Charge Transport and Optical Sensing in Molecular Junctions

open access: yesNanomaterials, 2022
Probing charge and energy transport in molecular junctions (MJs) has not only enabled a fundamental understanding of quantum transport at the atomic and molecular scale, but it also holds significant promise for the development of molecular-scale ...
Chaolong Tang   +4 more
doaj   +1 more source

Homogeneously bright, flexible and foldable lighting devices with functionalised graphene electrodes [PDF]

open access: yes, 2016
Alternating current electroluminescent technology allows the fabrication of large area, flat and flexible lights. Presently the maximum size of a continuous panel is limited by the high resistivity of available transparent electrode materials causing a ...
Alonso, Elias Torres   +4 more
core   +4 more sources

MXenes: focus on optical and electronic properties and corresponding applications

open access: yesNanophotonics, 2020
The discovery of graphene, the first two-dimensional (2D) material, has caused an upsurge, as this kind of material revealed a tremendous potential of application in areas such as energy storage, electronics, and gas separation. MXenes are referred to as
Wang Yifan   +4 more
doaj   +1 more source

Nanostructured MoS2 and WS2 Photoresponses under Gas Stimuli

open access: yesNanomaterials, 2022
This study was on the optoelectronic properties of multilayered two-dimensional MoS2 and WS2 materials on a silicon substrate using sputtering physical vapor deposition (PVD) and chemical vapor deposition (CVD) techniques.
Mohamed A. Basyooni   +8 more
doaj   +1 more source

3D photonic crystals for direct applications in light emitting devices [PDF]

open access: yes, 2018
In this paper, we present IP-Dip polymer-based Photonic Crystals (PhCs), which are more and more attractive for photonic devices. These structures offer simple and cheap solutions, how to improve optical properties of these devices. In our experiment, we
Goraus, Matej   +2 more
core   +2 more sources

An Integrated Germanium-Based THz Impulse Radiator with an Optical Waveguide Coupled Photoconductive Switch in Silicon

open access: yesMicromachines, 2019
This paper presents an integrated germanium (Ge)-based THz impulse radiator with an optical waveguide coupled photoconductive switch in a low-cost silicon-on-insulator (SOI) process.
Peiyu Chen   +2 more
doaj   +1 more source

Fabrication, optical properties, and applications of twisted two-dimensional materials

open access: yesNanophotonics, 2020
Two-dimensional (2D) materials such as graphene, black phosphorus, and transition metal dichalcogenides have attracted significant research attention due to their novel properties and wide range of applications in electronic and optoelectronic devices ...
Gao Xiao-Guang   +5 more
doaj   +1 more source

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