Zorn, Matthias and Bae, Wan Ki and Kwak, Jeonghun and Lee, Hyemin and Lee, Changhee and Zentel, Rudolf and Char, Kookheon. (2009) Quantum Dot−Block Copolymer Hybrids with Improved Properties and Their Application to Quantum Dot Light-Emitting Devices. ACS Nano, 3 (5). p. 1063. ISSN 1936-0851
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Official URL: http://dx.doi.org/10.1021/nn800790s
Abstract
To combine the optical properties of CdSe@ZnS quantum dots (QDs) with the electrical properties of semiconducting polymers, we prepared QD/polymer hybrids by grafting a block copolymer (BCP) containing thiol-anchoring moieties (poly(para-methyl triphenylamine-b-cysteamine acrylamide)) onto the surfaces of QDs through the ligand exchange procedure. The prepared QD/polymer hybrids possess improved processability such as enhanced solubility in various organic solvents as well as the film formation properties along with the improved colloidal stability derived from the grafted polymer shells. We also demonstrated light-emitting diodes based on QD/polymer hybrids, exhibiting the improved device performance (i.e., 3-fold increase in the external quantum efficiency) compared with the devices prepared by pristine (unmodified) QDs.
| Item Type: | Article |
|---|---|
| Additional Information: | Reprinted with permission from "Zorn, Matthias, et al. 'Quantum Dot−Block Copolymer Hybrids with Improved Properties and Their Application to Quantum Dot Light-Emitting Devices.' ACS Nano 3.5 (2009): 1063–1068." Copyright 2009 American Chemical Society. |
| InterNano Taxonomy: | Nanoscale Objects and Nanostructured Materials > Nanostructured Materials > Block copolymers |
| Collections: | Nanomanufacturing Research Collection |
| Related URLs: | |
| ID Code: | 159 |
| Deposited By: | Rebecca Reznik-Zellen |
| Deposited On: | 05 Nov 2009 16:51 |
| Last Modified: | 05 Nov 2009 16:51 |
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