for TMEP concentration between 5% and 10%, PL and EL spectra are almost dominated by TMEP emission because excitation energy transfer from PVK to TMEP.

• 当TMEP掺杂浓度达到5%25-10%25时，器件的电致发光光谱和荧光光谱发射峰几乎完全被TEMP的发射所占据。