A novel trap mitigation mechanism using molecular additives, which relieves a characteristic early turn‐on voltage in a high‐mobility p‐type acene‐based small‐molecule organic semiconductor, when processed from hydrous solvents, is reported. The early turn‐on voltage is attributed to photo‐induced trapping, and additive incorporation is found to be very effective in suppressing this effect. Remarkably, the molecular additive does not disturb the charge transport properties of the small‐molecule semiconductor, but rather intercalates in the crystal structure. This novel technique allows for the solution‐processing of small molecular semiconductors from hydrous solvents, greatly simplifying manufacturing processes for large‐area electronics. Along with various electric and spectroscopic characterization techniques, simulations have given a deeper insight into the trap mitigation effect induced by the additive.

中文翻译：

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使用添加剂的蒽噻吩衍生物中光诱导诱捕的新型缓解机制

报道了一种使用分子添加剂的新型捕集阱缓解机制，当从含水溶剂中加工时，该机制可以缓解高迁移率基于p型并苯的小分子有机半导体中的特征性早期导通电压。早期导通电压归因于光诱导的俘获，发现掺入添加剂对抑制这种影响非常有效。值得注意的是，分子添加剂不会干扰小分子半导体的电荷传输性质，而是会嵌入晶体结构中。这项新技术允许使用含水溶剂对小分子半导体进行固溶处理，从而大大简化了大面积电子设备的制造过程。连同各种电学和光谱表征技术，