Li Wan, Feng Zhou, Su Hang, Zhang Lilai, Suo Xinlei, Li Guolong. Quantum Conversion Efficiency Measurement of Organic-Inorganic Hybrid Perovskite Light-Emitting Diode Based on Integrating Sphere System[J]. Laser & Optoelectronics Progress, 2020, 57(21): 212201
- Laser & Optoelectronics Progress
- Vol. 57, Issue 21, 212201 (2020)
Fig. 1. Measuring system. (a) EQE measurement system; (b) integrating sphere measurement principle
Fig. 2. Schematic of device under test
Fig. 3. Relevant data about PeLED. (a) PeLED structure; (b) electroluminescence spectrum (illustration shows that brightness of 0.7cm×0.3cm PeLED under different voltages)
Fig. 4. Performance characterization of PeLED. (a) Curves of current density and brightness under different voltage; (b) EQE under different bias voltages; (c) relationship between current efficiency and voltage; (d) relationship between center wavelength and voltage
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Table 1. Comparison of collected wavelengths and standard wavelengths
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Table 2. Comparison of collected brightness and standard brightness
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Table 3. Comparison of PeLED test datas and errors
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