Identifying and Eliminating Emissive Sub-Bandgap States in Thin Films of PbS Nanocrystals
Invention type: Technology
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Case number: #17753
The size-dependent band-gap tunability and solution processability of nanocrystals (NCs) make them attractive candidates for optoelectronic applications. One factor that presently limits the device performance of NC thin films is sub-bandgap states, also referred to as trap states. Trap states can be controlled by surface treatment of the nanocrystals.
Researchers
Moungi G Bawendi
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Donghun Kim
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Mark Wilson
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Chia-Hao Chuang
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Gyuweon Hwang
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Jeffrey C. Grossman
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Jose Cordero-Hernandez
Departments: Department of Chemistry, Department of Materials Science and Engineering
Technology Areas: Chemicals & Materials: Nanotechnology & Nanomaterials / Electronics & Photonics: Photonics, Semiconductors
Impact Areas: Advanced Materials
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eliminating emissive sub-bandgap states in nanocrystals
United States of America | Granted | 10,109,760
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