How long’s a femtosecond? Blink and you’ll miss it. A hundred trillion times.
Therein lies the challenge for scientists investigating chemistry’s most important processes, which are often impossible to observe because they are over in a femtosecond, or one quadrillionth of a second.
The technique in the world-first experiment could lead to more efficient solar cells, better batteries, insights into atmospheric chemistry and new designs for drugs as more ultrafast reactions are mapped out.“An electron microscope gives you more spatial resolution.
The researchers were able to create a video of the process – the ion splits and travels around the conical intersection, behaving like a wave.“It’s the same principle of how sunscreen works – there are conical intersections in there allowing the energy to be dumped.” The resulting animation shows the ion starting as a “single blob”, which then splits and travels around each side of the conical intersection before crashing back into itself on the other side.
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