Nanoparticles - 14 News from the science department by Deutsches Elektronen-Synchrotron DESY

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Nanoparticles - 14 News from the science department by Deutsches Elektronen-Synchrotron DESY

Tip: You can further refine your news selection by industries.

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Researchers can now accurately measure the emergence and damping of a plasmonic field

This is crucial for renewable energy and other technologies

13-May-2024 - An international research team led by Universität Hamburg, DESY, and Stanford University has developed a new approach to characterize the electric field of arbitrary plasmonic samples, like e.g. gold nanoparticles. Plasmonic materials are of particular interest due to their extraordinary ...

nanoparticles gold nanoparticles energy conversion
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Molecular movie shows displaced electrons drive gold nanoparticle oscillations

Result defies established models of nanoparticle behaviour

03-Aug-2023 - Photocatalysis, sensors, solar cells: nanoparticles that are excited by light promise a variety of applications, if the processes behind their behaviour can be controlled. One such process is a type of collective electron motions. These movements lead to energy exchange in the nanoparticle that ...

nanoparticles electron oscillation plasmons
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Nanoparticles drill holes at will in silicon

Industrially usable technique for producing porous silicon and glass opens up fresh perspectives for numerous applications

21-Feb-2023 - A Hamburg-based research team has developed a new method for producing a network of large to very fine pores in silicon and glass. At DESY’s X-ray source PETRA III, scientists led by DESY researchers Stella Gries and Patrick Huber were able to analyse the porosity using X-ray tomography. The ...

nanoparticles silver nanoparticles Crystals
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Rare insights into growing nanoparticles

“This is a key factor for the design of highly active catalysts and sensors with high sensitivity”

02-Sep-2022 - How exactly do nanoparticles form in solution? Researchers from Universität Hamburg and DESY have now been able to observe the growth of nanoparticles in solution in real time. In the journal Nature Communications, they report on their observations using the method of X-ray ptychography, which ...

nanoparticles nanomaterials ptychography
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Nanoparticles save historic buildings

Research team investigates nano-crystals for more strength of sandstone at DESY

21-Jul-2022 - Many historic buildings were built of sandstone, such as Vienna's St. Stephen's Cathedral. Sandstone is easy to work, but does not withstand weathering well. It consists of sand grains that are relatively weakly bonded to each other, so over the years parts of the stone keep crumbling away, often ...

nanoparticles crystallization Crystals
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Nano-chocolates that store hydrogen

Innovative ideas for the energy carrier of the future

04-Jan-2022 - An innovative approach could turn nanoparticles into simple reservoirs for storing hydrogen. The highly volatile gas is considered a promising energy carrier for the future, which could provide climate-friendly fuels for airplanes, ships and lorries, for example, as well as allowing ...

nanoparticles graphene hydrogen
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Unprecedented view of a single catalyst nanoparticle at work

X-rays reveal compositional changes on active surface under reaction conditions

05-Oct-2021 - A DESY-led research team has been using high-intensity X-rays to observe a single catalyst nanoparticle at work. The experiment has revealed for the first time how the chemical composition of the surface of an individual nanoparticle changes under reaction conditions, making it more active. The ...

nanoparticles catalyst materials catalysts
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Unexpected twist of catalytic nanoparticles

Precise orientation affects shape, size and behaviour

16-Aug-2021 - Nanoparticles that make up catalysts can arrange themselves in slightly different ways, and behave significantly differently as a result. This is revealed by an X-ray study of palladium nanoparticles carried out at DESY Nanolab and PETRA III. The study has been published in the journal ACS Nano ...

nanoparticles palladium nanoparticles catalysts
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Astonishing diversity: Semiconductor nanoparticles form numerous structures

X-ray study reveals how lead sulphide particles self-organise in real time

13-Aug-2021 - The structure adopted by lead sulphide nanoparticles changes surprisingly often as they assemble to form ordered superlattices. This is revealed by an experimental study that has been conducted at DESY’s X-ray source PETRA III. A team led by the DESY scientists Irina Lokteva and Felix Lehmkühler, ...

nanoparticles crystal lattices lead sulfide
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Temperature can regulate wetting properties of sprayed latex surfaces

Properties are essential for spray manufacturing and the printing industry

17-Apr-2020 - A Swedish-German research team has been using DESY’s X-ray source PETRA III to investigate how surface coatings can be made to attract or repel water using tailor-made latex nanoparticles. Being able to influence the wettability of surfaces during production is important in many applications, ...

nanoparticles contact angle latex
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