Gae Hwang Lee
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View article: High-Detectivity Organic Photodetector with InP Quantum Dots in PTB7-Th:PC71BM Ternary Bulk Heterojunction
High-Detectivity Organic Photodetector with InP Quantum Dots in PTB7-Th:PC71BM Ternary Bulk Heterojunction Open
Organic photodetectors (OPDs) offer considerable promise for low-power, solution-processable biosensing and imaging applications; however, their performance remains limited by spectral mismatch and interfacial trap states. In this study, a…
View article: Effective Molecular Alignment of Semiconducting Polymer and Its Application to Photopatterned Stretchable Transistors
Effective Molecular Alignment of Semiconducting Polymer and Its Application to Photopatterned Stretchable Transistors Open
Intrinsically stretchable organic transistors are promising solutions for realizing stretchable electronic systems, such as skin‐like wearables and next‐generation displays. Nevertheless, applying stretchable organic thin‐film transistors …
View article: Light‐Mediated Photomultiplication via Cascade Energy Transfer in Organic Photodiode
Light‐Mediated Photomultiplication via Cascade Energy Transfer in Organic Photodiode Open
Photomultiplication organic photodetectors (PM‐OPDs) demonstrate exceptional sensitivity in low‐light environments, making them valuable for imaging, environmental monitoring, and wearable health sensors. However, traditional PM‐OPDs requi…
View article: Tuning the Mobility of Indacenodithiophene-Based Conjugated Polymers via Coplanar Backbone Engineering
Tuning the Mobility of Indacenodithiophene-Based Conjugated Polymers via Coplanar Backbone Engineering Open
Conjugated polymers based on indacenodithiophene-benzothiadiazole (IDT-BT) have attracted great interest due to their high charge carrier mobilities while being low crystallinity (i.e. near-amorphous.) They represent a promising design str…
View article: Advancements in Electronic Materials and Devices for Stretchable Displays (Adv. Mater. Technol. 20/2023)
Advancements in Electronic Materials and Devices for Stretchable Displays (Adv. Mater. Technol. 20/2023) Open
Stretchable Displays In article number 2201067, Yeongjun Lee, Yongtaek Hong, Youngjun Yun, and co-workers review recent developments in advanced materials and feasible strategies for the realization of stretchable electronic devices for st…
View article: Effects of Conjugation Spacers in Diketopyrrolopyrrole-Based Copolymers for All-Polymer-Based Photodiodes
Effects of Conjugation Spacers in Diketopyrrolopyrrole-Based Copolymers for All-Polymer-Based Photodiodes Open
The selection of the π-conjugation spacers in semi-conducting polymer backbone is one of the important factors for determining the optoelectrical and morphological properties in organic photodiodes. To study the effects of π-conjugation sp…
View article: Stretchable PPG sensor with light polarization for physical activity–permissible monitoring
Stretchable PPG sensor with light polarization for physical activity–permissible monitoring Open
Skin-attachable sensors, which represent the ultimate form of wearable electronic devices that ensure conformal contact with skin, suffer from motion artifact limitations owing to relative changes in position between the sensor and skin du…
View article: Standalone real-time health monitoring patch based on a stretchable organic optoelectronic system
Standalone real-time health monitoring patch based on a stretchable organic optoelectronic system Open
A skin-like electronic health care patch is demonstrated with a stretchable organic light-emitting diode display and photodiode.
View article: Green-light-selective organic photodiodes for full-color imaging
Green-light-selective organic photodiodes for full-color imaging Open
In this work, organic photodiodes (OPDs) based on two newly synthesized p-type dipolar small molecules are reported for application to green-light-selective OPDs. In order to reduce the blue-color absorption induced by the use of C60 as th…
View article: The role of defects in organic image sensors for green photodiode
The role of defects in organic image sensors for green photodiode Open
Controlling defect states in a buffer layer for organic photo devices is one of the vital factors which have great influence on the device performance. Defect states in silicon oxynitride (SiO x N y ) buffer layer for organic photo devices…