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← ScienceWhich risk increases when increasing temperature in OLED materials?
A)Increased non-radiative decay pathways✓
B)Greater intersystem crossing efficiency
C)Enhanced quantum dot stability
D)Reduced exciton diffusion lengths
💡 Explanation
Increased temperature enhances molecular vibrations, increasing the probability of non-radiative decay through internal conversion, because the electron transitions release heat rather than light due to vibrational energy; therefore option A occurs rather than options B, C, or D, which require particular electronic structures.
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