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Solution-processed PbTe nanocrystal (NC) thin films are ligand exchanged by ethylenediamine and then annealed at 400 °C for enhancement of NC coupling. To further improve the performance, heterostructures are introduced… Click to show full abstract
Solution-processed PbTe nanocrystal (NC) thin films are ligand exchanged by ethylenediamine and then annealed at 400 °C for enhancement of NC coupling. To further improve the performance, heterostructures are introduced into the PbTe/PbS films. Significantly, an optimized ZT of ≈0.30 is successfully achieved at 405 K. This method opens an avenue toward thermoelectric thin film devices with high performance.
Keywords:
solution processed;
thin films;
nanocrystal thin;
performance;
interface engineering
Journal Title: Advanced materials
Year Published: 2017
Link to full text (if available)
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Journal Title: Advanced materials
Year Published: 2017
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!