Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 4, Issue 9, Pages 4976-4980Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am301340p
Keywords
hybrid up-conversion device; organic light-emitting diode; photodetector; near-infrared; MoO3-doped PTCDA; interfacial layer
Funding
- National Natural Science Foundation of China (NNSFC) [61274049, 61204012]
- Beijing Natural Science Foundation [2123065, 2112040]
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An organic/inorganic hybrid up-conversion device was demonstrated in this work, which can convert near-infrared light (NIR) to visible green at high conversion efficiency. The upconverter was fabricated by integrating an In0.12Ga0.88As/GaAs multiquantum wells (MQWs) photodetector (PD) with an organic light emitting diode (OLED). The up-conversion efficiency of 4.0 W/W % was obtained at 20 V under NIR illumination of 1mW/mm(2) at room temperature by optimizing the structure of the PD unit and adding MoO3 doped perylene-3,4,9,10-tetracarboxylic dianhydride (PTCDA) as interfacial layer of OLED. Meanwhile, the green light output induced by NIR achieved 6050 cd/m(2), which proves that the organic/inorganic hybrid upconverter an excellent candidate that can be applied in light converter field.
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