Rapid Photonic Processing of High-Electron-Mobility PbS Colloidal Quantum Dot Transistors.

ABSTRACT: Recent advances in solution-processable semiconducting colloidal quantum dots (CQDs) have enabled their use in a range of (opto)electronic devices. In most of these studies, device fabrication relied almost exclusively on thermal annealing to remove organic residues and enhance inter-CQD electronic coupling. Despite its widespread use, however, thermal annealing is a lengthy process, while its effectiveness to eliminate organic residues remains limited. Here, we exploit the use of xenon flash lamp sintering to post-treat solution-deposited layers of lead sulfide (PbS) CQDs and their application in n-channel thin-film transistors (TFTs). The process is simple, fast, and highly scalable and allows for efficient removal of organic residues while preserving both quantum confinement and high ch

SUBMITTER: Nugraha MI 

PROVIDER: S-EPMC7467567 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature