Journal
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
Volume 57, Issue 6, Pages 1790-1802Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.iecr.7b04836
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Funding
- National Key Research and Development Program of China [2016YFA0201701/2016YFA0201700]
- National Natural Science Foundation of China [21622601]
- Beijing Natural Science Foundation [2182051]
- Fundamental Research Funds for the Central Universities [BUCTRC201601]
- 111 project of China [B14004]
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The development of green synthetic approaches is one of the key materials challenges in moving toward semiconductor quantum dots (QDs) for large-scale production and commercial applications. This article presents a comprehensive overview on the synthesis of colloidal QDs prepared via chemical approaches in solution phase, with emphasis on green routes which possess the advantages of environment-friendly raw materials, simple operation process, and robust mass-scale production. The approaches for the synthesis of QDs in batch reactors are summarized, including hot-injection organometallic synthesis, noninjection organometallic synthesis, aqueous synthesis and biosynthesis approaches, with some of the concerns on their limitations for scale-up, followed by some continuous synthetic methods aiming for reproducible and large-scale production. Current advances in continuous synthesis of QDs by microfluidic devices, high-gravity reactors, and spray-based techniques are briefly introduced. We also provide some insights into challenges and opportunities based on our own understanding of this field.
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