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Recently,alkali-metal or alkali-earth-metal doped polycyclic aromatic hydrocarbons (PAHs) such as picene,phenanthrene,and coronene have been reported as the new-type organic superconductor,[1] and remarkable increase of superconductivity transition temperature (Tc) upon compression showed that pressure plays an important role to search superconductive mechanism of the doped PAHs superconductor.