Citation: Gang WEI, Hai Yan HUANG, Rong Chun XIONG. The Intelligent Properties of Micro-reactors for Preparating Nanoparticles[J]. Chinese Chemical Letters, ;2003, 14(8): 877-880. shu

The Intelligent Properties of Micro-reactors for Preparating Nanoparticles

College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029

Received Date: 27 August 2002

Fund Project: This work was supported by the China National Key Technologies R&D Programme Item (2002BA313B05).

TiO₂ nanoparticles were synthesized by using micro-reactors. The shape and size of the nanoparticles produced from the original micro-reactors and the five times recycled micro-reactors mother liquor were investigated on transmission electron microscopy (TEM) by using the original sample, freeze prepared sample, and dyeing treated sample, respectively. UV-VIS spectrometry was used to study the growth process of TiO₂ nanoparticles in main reactors. The results showed that micro-reactors with nanometer magnitude had spherical or oval structures, and could restore to their original structure after they were destroyed. The products prepared in the original micro-reactors were similar to that in the micro-reactors recycled for many times, suggesting that the micro-reactors had memory function.
- Micro-reactors,
- nanoparticles,
- titanium dioxide,
- intelligent properties
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