Citation: Ma Haotian, Pan Liangjun, Wang Ji, Zhang Li, Zhang Zhiling. Synthesis of AgInS₂ QDs in droplet microreactors: Online fluorescence regulating through temperature control[J]. Chinese Chemical Letters, ;2019, 30(1): 79-82. doi: 10.1016/j.cclet.2018.04.033 shu

Synthesis of AgInS₂ QDs in droplet microreactors: Online fluorescence regulating through temperature control

Key Laboratory of Analytical Chemistry for Biology and Medicine(Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China

Corresponding author: Zhang Zhiling, zlzhang@whu.edu.cn
Received Date: 13 February 2018
Revised Date: 20 April 2018
Accepted Date: 27 April 2018
Available Online: 30 January 2018

Figures(4)

For the synthesis of AgInS₂ quantum dots (QDs), a suitable temperature is extremely important for control of the size, shape and fluorescence properties of QDs. Most of synthesis methods for AgInS₂ QDs are based on batch reactors, which bring uneven distribution of temperature, affecting their fluorescence properties and size uniformity. Here we designed a droplet microreactor with a temperature-controllable region, and successfully synthesized water-soluble AgInS₂ QDs. By accurately controlling temperature, we also studied how the reaction temperature affected the fluorescence properties of AgInS₂ QDs. The results showed that with the increasing of reaction temperature, the QDs size increased and the fluorescence peak constantly red-shifted along with enhanced fluorescence intensity. Based on the droplet microreactor, we could achieve more appropriate reaction condition to synthesize AgInS₂ QDs with higher fluorescence quantum yield (QY) and intensity.
- AgInS₂ Quantum dot,
- Droplet microreactor,
- Temperature,
- Fluorescence property
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Synthesis of AgInS₂ QDs in droplet microreactors: Online fluorescence regulating through temperature control