Jie Ren, Xiaxia Ji, Qi Wang, Xuefeng Peng, Xiaohui Yang. Light Emitting Devices Based on Polymer: Organometallic Halide Perovskite Composites[J]. Laser & Optoelectronics Progress, 2019, 56(3): 032301
- Laser & Optoelectronics Progress
- Vol. 56, Issue 3, 032301 (2019)
Fig. 1. Multilayer structure of PEO∶MAPbBr3 device. (a) Configuration; (b) energy-level diagram
Fig. 2. SEM images of PEO∶MAPbBr3 samples with different PCH3NH3Br∶PPbBr2. (a) 1.05∶1; (b) 1.5∶1; (c) 2∶1; (d) 3∶1
Fig. 3. XRD patterns and EDS image of the samples. (a) XRD patterns for of the samples with PCH3NH3Br∶PPbBr2; (b) EDS image for the PCH3NH3Br∶PPbBr2=1.5∶1 sample
Fig. 4. SEM images of PEO∶MAPbBr3 samples with different PPEO∶PMAPbBr3 and PAN∶MAPbBr3 sample. (a) 0.25∶1; (b) 0.5∶1; (c) 0.75∶1; (d) 1∶1; (e) PPAN∶PMAPbBr3=0.5∶1
Fig. 5. XRD patterns of PEO∶MAPbBr3 samples with different PEO contents and PAN∶MAPbBr3 sample with PPAN∶PMAPbBr3=0.5∶1
Fig. 6. PL spectra of PEO∶MAPbBr3 samples with different PEO contents and PAN∶MAPbBr3 sample with PPAN∶PMAPbBr3=0.5∶1
Fig. 7. V-I-L and LE-I characteristic curves of A-H devices and luminescence spectra of device C. (a) (c) V-I-L characteristic curves and (b) (d) LE-I characteristic curves of A-D and E-H devices; (e) electroluminescence spectra of device C at different voltages, inset is photograph of device C
Fig. 8. Energy-level diagram and voltage-current characteristics of H-only and E-only devices based on PEO and PAN. (a) Energy-level diagram; (b) voltage-current characteristics
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Table 1. Performance parameters of each device
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