What new principle for solar energy design was discovered?

A new design principle was discovered that involves using molecular vibrations to actively drive ultrafast charge separation, rather than suppressing them.

How fast did the electric charge separate in the experiments?

The electric charge separated in an astonishing 18 femtoseconds, which is less than 20 quadrillionths of a second.

What role do molecular vibrations play in ultrafast charge transfer?

Molecular vibrations act like a 'molecular catapult,' actively driving the electron across the interface at incredible speeds, enabling ultrafast charge transfer.

Home / Science / Molecular Catapult Speeds Solar Charge Transfer

Molecular Catapult Speeds Solar Charge Transfer

6 Mar

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Summary

Electric charge separated in just 18 femtoseconds.
Molecular vibrations act as a catapult, driving charge.
New design principle uses molecular vibrations for efficiency.

Molecular Catapult Speeds Solar Charge Transfer

Scientists at the University of Cambridge have witnessed electric charge separating within a single molecular vibration, a process occurring in an astonishing 18 femtoseconds. This ultrafast charge transfer was observed during laboratory experiments, pushing the boundaries of our understanding of light-matter interactions.

These findings, published on March 5, 2026, challenge conventional theories in solar energy science. Previously, it was believed that efficient charge transfer necessitated large energy differences and strong electronic coupling, conditions that could lead to energy loss. The research demonstrated that molecular vibrations can actively drive this charge separation, acting like a "molecular catapult."