Low Driving Voltage and High Mobility Ambipolar Field-Effect Transistors with PbS Colloidal Nanocrystals

ToC figure

PbS colloidal nanocrystals (NCs) are promising materials for optoelectronic devices, due to their size-tunable properties. However, there is still minimal understanding of their charge transport mechanism. Through a combination of ligand selections, ambipolar transistor structure optimization, and electrochemical gating usage, high carrier mobility is achieved. The outstanding device characteristics open possibility to investigate the intrinsic transport properties of PbS NCs.

By: Satria Zulkarnaen Bisri, Claudia Piliego, Maksym Yarema, Wolfgang Heiss, Maria Antonietta Loi

link: http://onlinelibrary.wiley.com/doi/10.1002/adma.201205041/abstract


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