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← ScienceWhich outcome occurs on thin-film solar cells utilizing photonic crystal structures?
A)Enhanced light trapping through slow-photons✓
B)Reduced electron-hole recombination
C)Increased band gap energy
D)Improved chemical stability of interfaces
💡 Explanation
Enhanced light trapping occurs due to photonic crystals inducing **interference** increasing the optical path length for absorption. This is light localization into the semiconductor because group velocity changes rapidly rather than modifying the cell properties.
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