On Quantum Coherence Effects in Photo and Solar Cells
Kimberly Chapin, Konstantin Dorfman, Anatoly Svidzinsky, Marlan, Scully
TL;DR
This paper demonstrates that quantum coherence can enhance the efficiency of various quantum thermodynamic systems, including photocells and heat engines, while remaining consistent with thermodynamic laws.
Contribution
It provides a theoretical analysis showing quantum coherence increases efficiency in quantum thermodynamic devices, countering previous criticisms.
Findings
Quantum coherence boosts efficiency of quantum dot photocells.
Quantum coherence improves laser-based solar cells.
Quantum coherence enhances photo-Carnot heat engine performance.
Abstract
We show that quantum coherence can increase the quantum efficiency of various thermodynamic systems. For example, we can enhance the quantum efficiency for a quantum dot photocell, a laser based solar cell and the photo-Carnot quantum heat engine. Our results are fully consistent with the laws of thermodynamics contrary to comments found in the paper of A.P. Kirk, Phys. Rev. Lett. 106, 048703 (2011).
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Taxonomy
TopicsQuantum optics and atomic interactions · Quantum Mechanics and Applications · Quantum Electrodynamics and Casimir Effect