Journal
NANOTECHNOLOGY
Volume 23, Issue 6, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/23/6/065602
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Funding
- QD-LED (MKE)
- Center for Nanoscale Mechatronics & Manufacturing, Global Frontier Research Center for Advanced Soft Electronics and Green Nanotechnology (MEST) Korea
- Korea Evaluation Institute of Industrial Technology (KEIT) [M004500001, 10035412] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2011-0031635, 2011-0020090, 2011-0031566] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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We report successive and large-scale synthesis of InP/ZnS core/shell nanocrystal quantum dots (QDs) using a customized hybrid flow reactor, which is based on serial combination of a batch-type mixer and a flow-type furnace. InP cores and InP/ZnS core/shell QDs were successively synthesized in the hybrid reactor in a simple one-step process. In this reactor, the flow rate of the solutions was typically 1 ml min(-1), 100 times larger than that of conventional microfluidic reactors. In order to synthesize high-quality InP/ZnS QDs, we controlled both the flow rate and the crystal growth temperature. Finally, we obtained high-quality InP/ZnS QDs in colors from bluish green to red, and we demonstrated that these core/shell QDs could be incorporated into white-light-emitting diode (LED) devices to improve color rendering performance.
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