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Resolution: standard / high Figure 4.
Normalized EL spectra of device 8, ITO/PTA/NPD/Zn(POPS-BTZ)2/Al:Ca. For bias voltages 4.0 (blue curve), 4.5, 5.0, 5.5 (black curves), and 6.0 V (red
curve) (1). PL of Zn(POPS-BTZ)2 powder (2), and the EL spectrum of device 9, ITO/PTA/NPD/CBP/Zn(POPS-BTZ)2/Al:Ca, (3).
Kaplunov et al. Nanoscale Research Letters 2012 7:206 doi:10.1186/1556-276X-7-206 |