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Uncommon Intramolecular Charge Transfer Effect and Its Potential Application in OLED Emitters 被引量:1
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作者 WU Haozhong LUO Juanjuan +4 位作者 XU Zeng WANG Zhiming MA Dongge QIN Anjun TANG Ben Zhong 《Chemical Research in Chinese Universities》 SCIE CAS CSCD 2020年第1期61-67,共7页
Planarized intramolecular charge transfer(PLICT)state can facilitate the fluorescence process thanks to the relative excellent planarity.Recently,we have discovered that the excited state quinone-conformation induced ... Planarized intramolecular charge transfer(PLICT)state can facilitate the fluorescence process thanks to the relative excellent planarity.Recently,we have discovered that the excited state quinone-conformation induced planarization(ESQIP)occurring on tetraphenylpyrazine(TPP)based derivatives could furnish them with PLICT feature.Unlike to the well-known intramolecular charge transfer,strengthening the electron-donating nature on the donor(D)moiety did not impair the PLICT.The calculation results showed that planarization of the TPP based compounds scarcely accompanied with energy wastage while amount of energy was required for the torsion on geometries.In the polar solvents,the energy consumption for planarization could further decrease,but that for twisting structure would increase.To take advantage of the transformation of the frontier orbitals'distribution,the PLICT type materials would perform a potential application on organic light-emitting diodes(OLEDs). 展开更多
关键词 Planarized intramolecular charge transfer Tetraphenylpyrazine Excited state quinone-conformation induced planarization Organic light-emitting diode
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