Review Article: Spectroscopic microreactors for heterogeneous catalysis

Benjamin A. Rizkin, Filip G. Popovic, Ryan L. Hartman

Research output: Contribution to journalArticle

Abstract

Microfluidic reactors with in situ spectroscopy have enabled many new directions of research over the last two decades. The miniature nature of these systems enables several key advantages in heterogeneous catalysis, which includes the reaction surface or interface accessible to spectroscopic equipment making the discovery of new catalytic materials possible. Devices fabricated with materials that are transparent to electromagnetic radiation enable in situ and in operando spectroscopy such as Raman, UV-Vis, and IR directly at the point of the reaction, and thus high fidelity, transient information on the reaction chemistry is available. Innovative designs with NMR, electrochemical impedance spectroscopy, x-ray techniques, or terahertz imaging have also advanced the field of heterogeneous catalysis. These methods have been successfully engineered to make major breakthroughs in the design of catalytic materials for important classes of chemical reactions. In this review, the authors provide an overview of recent advances in the design of microreactors with in situ spectroscopy for the study of heterogeneous catalysis to raise awareness among the vacuum science community on techniques, tools, existing challenges, and emerging trends and opportunities.

Original languageEnglish (US)
Article number050801
JournalJournal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
Volume37
Issue number5
DOIs
StatePublished - Sep 1 2019

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

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