Abstract
Field-effect transistors are fabricated from thin films of Ag-doped PbSe nanocrystals to analyze the influence of electronically active impurities on electrical transport in this important material for nanocrystal applications. Data is collected as a function of nanocrystal size, dopant concentration, and temperature. Changes in the Fermi level and transport parameters indicate that Ag is acting as a p-type dopant (acceptor).
Original language | English (US) |
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Pages (from-to) | 725-731 |
Number of pages | 7 |
Journal | Advanced Materials |
Volume | 25 |
Issue number | 5 |
DOIs | |
State | Published - Feb 6 2013 |
Keywords
- PbSe nanocrystals
- colloidal quantum dots
- doping
- electron transport
- field-effect transistors