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53 Current news about the topic bromine

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Halogens emitted from oceans amplify global warming of methane in the atmosphere

Iodine, bromine and chlorine transferred from the ocean have increased the lifetime and greenhouse effect of this gas by 6% to 9% over the century.

23-May-2022

An international team, led by researchers from the Spanish National Research Council (CSIC), has performed climate-related chemistry simulations to assess the impact of oceanic emissions of halogenated compounds (iodine, bromine and chlorine) on methane in the atmosphere, the second most ...

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How ice particles promote the formation of radicals

Chemistry in clouds

10-Dec-2018

Certain molecules with fluorine, chlorine or bromine, together with water, can release harmful substances into the atmosphere. The production of chlorofluorocarbons, which damage the ozone layer, has been banned as far as possible. However, other substances can also tear holes in the ozone layer ...

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Perovskites - materials of the future in optical communication

Inorganic metal halide perovskite-based photodetectors for optical communication applications

19-Oct-2018

Researchers at the universities in Linköping and Shenzhen have shown how an inorganic perovskite can be made into a cheap and efficient photodetector that transfers both text and music. "It's a promising material for future rapid optical communication", says Feng Gao, researcher at Linköping ...

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A new 'periodic table' for nanomaterials

New simulation helps scientists to decide what molecules best interact with each other

25-Jul-2018

The approach was developed by Daniel Packwood of Kyoto University's Institute for Integrated Cell-Material Sciences (iCeMS) and Taro Hitosugi of the Tokyo Institute of Technology. It involves connecting the chemical properties of molecules with the nanostructures that form as a result of their ...

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Mixed halide chemistry can be used to control magnetism in ultrathin magnetic devices

02-Jul-2018

Physicists, chemists, and materials scientists have been probing the nature of layered magnetic materials for several decades, searching for clues to the properties of these materials that are more complex than they appear. Layered material resembles the structure of a book. From a distance, it ...

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Recycled electrical products lead to hazardous chemicals appearing in everyday items

31-May-2018

Hazardous chemicals such as bromine, antimony and lead are finding their way into food-contact items and other everyday products because manufacturers are using recycled electrical equipment as a source of black plastic, according to a new study. The substances are among those applied to devices, ...

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Lighting the way for more efficient LEDs

02-Feb-2018

Researchers at the U.S. Naval Research Laboratory (NRL) Center for Computational Materials Science, working with an international team of physicists, have revealed that nanocrystals made of cesium lead halide perovskites (CsPbX3), is the first discovered material which the ground exciton state is ...

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Missing atoms in a forgotten crystal bring luminescence

12-Oct-2017

A little-studied member of the perovskite family of materials could find use in a range of electronic devices, after researchers at KAUST discovered the secret of its strong photoluminescence. Perovskites are a wide group of materials that are known to have remarkable optical and electronic ...

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Getting the most out of natural gas

25-May-2016

The use of natural gas as a raw material for chemicals production is a goal pursued intensively in chemical research. Scientists working under Javier Pérez-Ramírez, Professor of Catalysis Engineering, have now succeeded in optimising a process which enables natural gas constituents to be upgraded ...

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ORNL tracks how halogen atoms compete to grow 'winning' perovskites

08-Apr-2016

Researchers at the Department of Energy's Oak Ridge National Laboratory have found a potential path to further improve solar cell efficiency by understanding the competition among halogen atoms during the synthesis of sunlight-absorbing crystals. Photovoltaic cells that convert sunlight directly ...

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