Articles with "nanocrystals embedded" as a keyword



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Lead‐Free Cesium Manganese Halide Nanocrystals Embedded Glasses for X‐Ray Imaging

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Published in 2022 at "Advanced Science"

DOI: 10.1002/advs.202204843

Abstract: The toxicity of heavy‐metal Pb and instability of lead‐based halide perovskite nanomaterials are main factors to impede their practical applications in the fields of solar cells, LEDs and scintillators. In this paper, all inorganic lead‐free… read more here.

Keywords: embedded glasses; nanocrystals embedded; halide nanocrystals; manganese halide ... See more keywords
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Si-nanocrystals embedded in SiNWs to reduce thermalisation in solar cells

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Published in 2020 at "Optik"

DOI: 10.1016/j.ijleo.2020.165299

Abstract: Abstract Despite their interesting efficiencies and stabilities, first and second generations solar cells suffer from thermalisation that reduces the photovoltaic performances under operating conditions. In third generation solar cells scenarios, the use of Nano-Crystals (NCs)… read more here.

Keywords: silicon ncs; thermalisation; nanocrystals embedded; embedded sinws ... See more keywords
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Highly enhanced photoluminescence from perovskite-semiconductor composites formed by CsPbBr3 nanocrystals embedded in ZnSe microsphere

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Published in 2020 at "Journal of Luminescence"

DOI: 10.1016/j.jlumin.2020.117081

Abstract: Abstract Perovskite-semiconductor composites formed by high quality CsPbBr3 nanocrystals embedded in ZnSe microsphere were prepared. The optical properties of pure CsPbBr3 and composites were studied in detailed. Highly enhanced luminescence from CsPbBr3-ZnSe composites was observed… read more here.

Keywords: znse; semiconductor composites; cspbbr3 nanocrystals; nanocrystals embedded ... See more keywords
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Optical properties and Judd–Ofelt analysis of Nd2O3 nanocrystals embedded in polymethyl methacrylate

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Published in 2017 at "Journal of Rare Earths"

DOI: 10.1016/j.jre.2017.07.010

Abstract: Abstract PMMA matrices were doped with nano-crystalline neodymium oxides synthesized by thermal decomposition process. X-ray diffraction and high-resolution transmission electron microscopy measurements were carried out to investigate the structure, phase, and the morphology of the… read more here.

Keywords: judd ofelt; optical properties; properties judd; nd2o3 ... See more keywords
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Optical properties of high photoluminescence silicon nanocrystals embedded in SiO2 matrices obtained by annealing hydrogen silsesquioxane

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Published in 2018 at "Optical Materials"

DOI: 10.1016/j.optmat.2018.07.063

Abstract: Abstract Thin films of silicon nanocrystals embedded in SiO2 matrices were prepared by annealing a photoresist of hydrogen silsesquioxane. As compared to films made by a common method of annealing SiOx (1 read more here.

Keywords: silicon nanocrystals; embedded sio2; hydrogen silsesquioxane; sio2 matrices ... See more keywords
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Luminescence properties of Ba4Yb3F17:Er3+ nanocrystals embedded in glass ceramics for optical thermometry

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Published in 2021 at "RSC Advances"

DOI: 10.1039/d1ra04038c

Abstract: Transparent glass ceramic embedded with Ba4Yb3F17:Er3+ nanocrystals can be applied as a promising temperature sensor. read more here.

Keywords: er3 nanocrystals; ba4yb3f17 er3; glass; luminescence properties ... See more keywords
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Hyperdoped Si nanocrystals embedded in silica for infrared plasmonics.

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Published in 2023 at "Nanoscale"

DOI: 10.1039/d3nr00035d

Abstract: We present the experimental realization of plasmonic hyperdoped Si nanocrystals embedded in silica via a combination of sequential low energy ion implantation and rapid thermal annealing. We show that phosphorus dopants are incorporated into the… read more here.

Keywords: infrared plasmonics; nanocrystals embedded; silica infrared; hyperdoped nanocrystals ... See more keywords
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Improved device performance of Si-based heterojunction solar cells by using phosphorus doped Si nanocrystals embedded in SiC host matrix

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Published in 2019 at "AIP Advances"

DOI: 10.1063/1.5088022

Abstract: Phosphorus-doped Si nanocrystals embedded in amorphous SiC (Si NCs:SiC) films were fabricated by annealing phosphorus-doped Si-rich amorphous SiC materials at 900°C to get n-type Si NCs/p-Si heterojunction for photovoltaic device applications. The film compositions and… read more here.

Keywords: phosphorus doped; phosphorus; nanocrystals embedded; doped nanocrystals ... See more keywords
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Trapping time of excitons in Si nanocrystals embedded in a SiO 2 matrix

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Published in 2017 at "Physical Review B"

DOI: 10.1103/physrevb.95.195312

Abstract: Silicon (Si) nanocrystals (NCs) are of great interest for many applications, ranging from photovoltaics to optoelectonics. The photoluminescence quantum yield of Si NCs dispersed in SiO2 is limited, suggesting the existence of very efficient processes… read more here.

Keywords: trapping time; time excitons; matrix; excitons nanocrystals ... See more keywords