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The uses of self‐assembled monolayers (SAMs) of dipolar molecules or of adsorbed molecular acceptors on electrode materials are common strategies to increase their work function, thereby facilitating hole injection into an organic semiconductor deposited on top. Here it is shown that a combination of both approaches can surpass the performance of the individual ones. By combined experimental and theoretical...
The authors study at the density‐functional theory level the modification of the electronic structure of the ITO surface upon self‐assembly of a monolayer of t‐butyl carbazole‐substituted phosphonic acid molecules and subsequent p‐doping. The results of the calculations point to the existence of two channels for charge transfer. These channels can enhance hole injection between ITO and a hole‐transport...
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