High-Performance Phototransistor of Epitaxial PbS Nanoplate-Graphene Heterostructure with Edge Contact.
basic_science · Level V
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- Record sourced from PubMed, PMID 27167005.
- Also identified by DOI 10.1002/adma.201601071.
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Abstract
Fast infrared response (rising time = 24 ms) and ultrahigh photoconductive gain (10(8) ) are obtained in epitaxial PbS-nanoplate-graphene heterostructures. Combining density functional theory with experiments, this study finds single-crystalline PbS nanoplates are covalently bound to the grapheme edge with strong chemical hybridization, which offers a fast carrier transmission path.