Thanks to a laser technique that ejects ultra-tiny droplets of metal, it is now possible to print 3-D metal structures—not only simple 'piles' of droplets, but complex overhanging structures, as well, like a helix measuring ...
Materials Science
Oct 30, 2018
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Laser-induced electrochemical deposition of metals on metals relies possibly on thermal and defect generation effects. When semiconductor substrates are chosen, locally photogenerated electrons can reduce metal ions resulting ...
Optics & Photonics
Apr 4, 2023
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22
Charge transfer is a key step in photosynthesis, biological signal transduction, and conversion of various energy sources. The theoretical framework for charge transfer was established by Rudolph Marcus in the 1950s. It predicts ...
Condensed Matter
Nov 11, 2021
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36
The use of solid-state refrigerators to cool appliances and electronic devices is a possible technological application for a theoretical study conducted at the University of Campinas (UNICAMP) in São Paulo State, Brazil.
Nanomaterials
Apr 25, 2019
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17
Understanding how voltage drives nanoscale electrocatalysts to initiate reactions is a fundamental scientific question. This is especially challenging when dealing with non-metallic electrocatalysts due to their low inherent ...
Analytical Chemistry
Sep 22, 2023
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23
The electrochemical reactions inside the porous electrodes of batteries and fuel cells have been described by theorists, but never measured directly. Now, a team at MIT has figured out a way to measure the fundamental charge ...
Materials Science
Apr 3, 2014
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In a study published in the journal National Science Review and led by Dr. Zhao-Yang Li (School of Material Science and Engineering, Nankai University) and Prof. Masahiro Yamashita (Department of Chemistry, Graduate School ...
Polymers
May 16, 2023
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7
Halides hold promise for improving the performance of catalysts used in carbon dioxide conversion. A team of scientists has examined the recent progress and challenges related to halides, and provided their outlook on future ...
Analytical Chemistry
Nov 30, 2022
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26
When we buy a new phone or laptop online, we assume it will be delivered to our doorstep in a matter of days.
Biochemistry
Nov 2, 2017
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102
Single-atom catalysts (SACs) are promising in electrocatalysis processes due to their maximum utilization of active species.
Nanophysics
Sep 4, 2020
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