Design, fabrication and characterization of microreactors for high temperature syntheses

Cynthia S. Martínez-Cisneros, Sara Gómez de Pedro, Mar Puyol, Joan García-García, Julián Alonso-Chamarro

Research output: Contribution to journalArticleResearchpeer-review

26 Citations (Scopus)


Microfluidic reactors offer many potential advantages in several research and industrial fields such as processes intensification, which includes a better reaction control (kinetics and thermodynamics), a high throughput and a safer operational environment (reduced manipulation of dangerous reagents and low sub-products generation). Nevertheless, scaling-down limitations appear concerning the materials used in the fabrication of microreactors for most of the liquid-phase reactions, since they usually require high temperatures (up to 300. °C), solvents and organic reagents. In this work, the development of a set of modular and monolithic microreactors based on the integration of microfluidics and a thermal platform (sensor/high-temperature heater) is proposed to perform high temperature reactions. The reliability and performance of both configurations were evaluated through an exhaustive characterization process regarding their thermal and microfluidic performance. Obtained results make the devices viable for their application in controlled and reproducible synthetic processes occurring at high temperatures such as the synthesis of quantum dots. The proposed microfluidic approach emerge as an engaging tool for processes intensification, since it provides better mass and temperature transfer than conventional methods with a reduction not only of the size and energy consumption, but also of by-products and reagents consumption. © 2012 Elsevier B.V.
Original languageEnglish
Pages (from-to)432-441
JournalChemical Engineering Journal
Publication statusPublished - 15 Nov 2012


  • High temperature synthetic processes
  • Microreactor
  • On-line syntheses
  • Process intensification
  • Quantum dots
  • Thermal/microfluidic characterization


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