Robust Dipolar Layers between Organic Semiconductors and Silver for Energy-Level Alignment.

ABSTRACT: The interface between a metal electrode and an organic semiconductor (OS) layer has a defining role in the properties of the resulting device. To obtain the desired performance, interlayers are introduced to modify the adhesion and growth of OS and enhance the efficiency of charge transport through the interface. However, the employed interlayers face common challenges, including a lack of electric dipoles to tune the mutual position of energy levels, being too thick for efficient electronic transport, or being prone to intermixing with subsequently deposited OS layers. Here, we show that monolayers of 1,3,5-tris(4-carboxyphenyl)benzene (BTB) with fully deprotonated carboxyl groups on silver substrates form a compact layer resistant to intermixing while capable of mediating energy-level al

SUBMITTER: Krajnak T 

PROVIDER: S-EPMC11009919 | biostudies-literature | 2024 Apr

REPOSITORIES: biostudies-literature