Table 2 Summary of structures of blue OLED devices where ITO is indium tin oxide, HAT-CN is 1, 4, 5, 8, 9, 11-hexaazatriphenylene-hexacarbonitrile, NPB is N,N-di(1-naphthyl)-N,N′-diphenyl-(1,1′-biphenyl)−4,4′-diamine, TCTA is Tris(4-carbazoyl-9-ylphenyl)amine, mCP is 1,3-Bis(N-carbazolyl) benzene and Liq is lithium quinolinate

From: Direct identification of interfacial degradation in blue OLEDs using nanoscale chemical depth profiling

Layer

Material

Anode (150 nm)

ITO

HIL (10 nm)

HAT-CN

HTL (50 nm)

NPB

EBL (5 nm/5 nm)

TCTA/mCP

EML (40 nm)

Varied – see Table 3

HBL (10 nm)

Varied – see Table 3

ETL (30 nm)

Varied – see Table 3

EIL (1 nm)

Liq

Metal (100 nm)

Al

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