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Deposition of Quantum Dots in a Capillary Tube

Author(s): Kong, Yong Lin; Boulogne, François; Kim, Hyoungsoo; Nunes, Janine; Feng, Jie; et al

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Abstract: The ability to assemble nanomaterials, such as quantum dots, enables the creation of functional devices that present unique optical and electronic properties. For instance, light-emitting diodes with exceptional color purity can be printed via the evaporative-driven assembly of quantum dots. Nevertheless, current studies of the colloidal deposition of quantum dots have been limited to the surfaces of a planar substrate. Here, we investigate the evaporation-driven assembly of quantum dots inside a confined cylindrical geometry. Specifically, we observe distinct deposition patterns, such as banding structures along the length of a capillary tube. Such coating behavior can be influenced by the evaporation speed as well as the concentration of quantum dots. Understanding the factors governing the coating process can provide a means to control the assembly of quantum dots inside a capillary tube, ultimately enabling the creation of novel photonic devices.
Publication Date: 17-Nov-2015
Electronic Publication Date: 4-Nov-2015
Citation: Kong, Yong Lin, Boulogne, François, Kim, Hyoungsoo, Nunes, Janine, Feng, Jie, Stone, Howard A. (2015). Deposition of Quantum Dots in a Capillary Tube. Langmuir, 31 (45), 12560 - 12566. doi:10.1021/acs.langmuir.5b03443
DOI: doi:10.1021/acs.langmuir.5b03443
ISSN: 0743-7463
EISSN: 1520-5827
Pages: 12560 - 12566
Type of Material: Journal Article
Journal/Proceeding Title: Langmuir
Version: Author's manuscript

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