Highly reducing or oxidizing photocatalysts are a fundamental challenge in photochemistry. Only a few transition metal complexes with Earth-abundant metal ions have so far advanced to excited state oxidants, including chromium, ...
Analytical Chemistry
Feb 9, 2024
0
17
Elasticity, the ability of an object to bounce back to its original shape, is a universal property in solid materials. But when pushed too far, materials change in unrecoverable ways: Rubber bands snap in half, metal frames ...
Condensed Matter
Mar 14, 2019
0
153
Making an incredibly fast photodetector is one thing, but actually measuring its speed is another.
General Physics
Dec 21, 2015
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14
Modern communication systems often employ optical fibers to carry signals across or between devices. The integrated optics in these devices combine more than one function into a single circuit. However, signal transmission ...
Optics & Photonics
Jul 24, 2018
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198
High power/energy ultrafast fiber lasers have broadband applications in material processing, medicine, advanced manufacturing and other fields. Compared with solid-state lasers, fiber lasers have the advantages of compact ...
Optics & Photonics
May 18, 2023
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4
In cells, transfer RNA (tRNA) translates genetic information from the encoding messenger RNA (mRNA) for protein synthesis. New results from ultrafast spectroscopy and in-depth theoretical calculations demonstrate that the ...
Molecular & Computational biology
Dec 9, 2020
0
4
University of Central Florida physicist Zenghu Chang has done it again. For a third time this year, his research group has published an article in a Nature Photonics journal.
Optics & Photonics
May 13, 2014
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0
Physicists have, for the first time, explored in detail the time evolution of the conductivity, as well as other quantum-level electron transport characteristics, of a graphene device subjected to periodic ultra-short pulses. ...
Nanophysics
Nov 10, 2014
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0
Researchers from Skoltech Center for Energy Science and Technology, IPCP RAS and D.I. Mendeleev University of Chemical Technology have designed a new polymer cathode material for ultrafast metal-ion batteries with superior ...
Polymers
Jun 3, 2019
0
8
(Phys.org)—A team of researchers at Stanford University has used ultrafast x-ray absorption and emission spectroscopy to quantify the entatic state of cytochrome c. In their paper published in the journal Science, the group ...
