Yeon Sook Chung
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View article: Interfacial Exciton-Polaron Quenching in Organic Light-Emitting Diodes
Interfacial Exciton-Polaron Quenching in Organic Light-Emitting Diodes Open
In organic light-emitting diodes (OLEDs), understanding the efficiency loss mechanism known as exciton-polaron quenching (EPQ) has been a longstanding challenge. Traditionally, EPQ was believed to occur mainly the bulk of the OLED emission…
View article: Dipole Moment‐ and Molecular Orbital‐Engineered Phosphine Oxide‐Free Host Materials for Efficient and Stable Blue Thermally Activated Delayed Fluorescence (Adv. Sci. 3/2022)
Dipole Moment‐ and Molecular Orbital‐Engineered Phosphine Oxide‐Free Host Materials for Efficient and Stable Blue Thermally Activated Delayed Fluorescence (Adv. Sci. 3/2022) Open
Organic Light‐Emitting Diodes In many thermally activated delayed fluorescence (TADF) organic light‐emitting diodes (OLEDs), efficiency and lifespan have shown a trade‐off relationship. In article number 2102141, Soo‐Ghang Ihn and coworker…
View article: Dipole Moment‐ and Molecular Orbital‐Engineered Phosphine Oxide‐Free Host Materials for Efficient and Stable Blue Thermally Activated Delayed Fluorescence
Dipole Moment‐ and Molecular Orbital‐Engineered Phosphine Oxide‐Free Host Materials for Efficient and Stable Blue Thermally Activated Delayed Fluorescence Open
To utilize thermally activated delayed fluorescence (TADF) technology for future displays, it is necessary to develop host materials which harness the full potential of blue TADF emitters. However, no publication has reported such hosts ye…
View article: Polarity- and molecular orbital-engineered host materials for stable and efficient blue thermally activated delayed fluorescence
Polarity- and molecular orbital-engineered host materials for stable and efficient blue thermally activated delayed fluorescence Open
To utilize thermally activated delayed fluorescence (TADF) technology for future displays, it is necessary to develop host materials that can harness the full potential of blue TADF emitters. We suggest an elaborative approach for designin…
View article: A Novel Design Strategy for Suppressing Efficiency Roll-Off of Blue Thermally Activated Delayed Fluorescence Molecules through Donor–Acceptor Interlocking by C–C Bonds
A Novel Design Strategy for Suppressing Efficiency Roll-Off of Blue Thermally Activated Delayed Fluorescence Molecules through Donor–Acceptor Interlocking by C–C Bonds Open
The short material lifetime of thermally activated delayed fluorescence (TADF) technology is a major obstacle to the development of economically feasible, highly efficient, and durable devices for commercial applications. TADF devices are …
View article: Blue Electroluminescence: Blue Electrofluorescence Resulting from Exergonic Harvesting of Triplet Excitons (Advanced Optical Materials 18/2019)
Blue Electroluminescence: Blue Electrofluorescence Resulting from Exergonic Harvesting of Triplet Excitons (Advanced Optical Materials 18/2019) Open
Organic molecules capable of exciton harvest have been developed by Sunghan Kim, Youngmin You and co-workers (see article number 1900630). Exploiting the non-bonding orbital enables exergonic conversion of triplet excitons into singlet exc…