Merck

Last updated January 31, 2026

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Multilayer organic semiconductor stack: MerckRecent Research Landscape

Charge carrier imbalance in organic layers leads to rapid device degradation and poor luminous efficiency. Precise stoichiometric blending of two distinct host materials stabilizes the recombination zone to extend operational lifespan.

What technical problems is Merck addressing in Multilayer organic semiconductor stack?

Interfacial layer instability

(18)evidences

High resistance at the junctions between organic layers and electrodes restricts charge carrier injection. Reducing this bottleneck lowers operating voltage and improves device power efficiency.

Low radiative recombination efficiency

(8)evidences

Organic electroluminescent materials suffer from rapid chemical and thermal degradation during operation. Extending the functional duration of the stack is critical for commercial viability in display and lighting applications.