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← ScienceWhich outcome occurs when UV radiation induces molecular excitation during dye sublimation printing?
A)Enhanced bond vibrations cause image blurring
B)Electron promotion causes amplified color transfer✓
C)Matrix ionization causes printer head damage
D)Phonon emission causes substrate discoloration
💡 Explanation
When UV radiation excites dye molecules, electron promotion occurs because the electrons jump to higher energy molecular orbitals, leading to increased vibrational energy which more effectively breaks intermolecular bonds for sublimation. Therefore amplified color transfer results, rather than blurring, ionization or discoloration, which would require different mechanisms and materials.
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