High-Throughput Screening Using Fourier-Transform Infrared Imaging

Erdem Sasmaz , Kathleen Mingle , Jochen Lauterbach

Engineering ›› 2015, Vol. 1 ›› Issue (2) : 234 -242.

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Engineering ›› 2015, Vol. 1 ›› Issue (2) : 234 -242. DOI: 10.15302/J-ENG-2015040
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High-Throughput Screening Using Fourier-Transform Infrared Imaging

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Abstract

Efficient parallel screening of combinatorial libraries is one of the most challenging aspects of the high-throughput (HT) heterogeneous catalysis workflow. Today, a number of methods have been used in HT catalyst studies, including various optical, mass-spectrometry, and gas-chromatography techniques. Of these, rapid-scanning Fourier-transform infrared (FTIR) imaging is one of the fastest and most versatile screening techniques. Here, the new design of the 16-channel HT reactor is presented and test results for its accuracy and reproducibility are shown. The performance of the system was evaluated through the oxidation of CO over commercial Pd/Al2O3 and cobalt oxide nanoparticles synthesized with different reducer-reductant molar ratios, surfactant types, metal and surfactant concentrations, synthesis temperatures, and ramp rates.

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high-throughput / FTIR imaging / screening / cobalt oxide / CO oxidation

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Erdem Sasmaz, Kathleen Mingle, Jochen Lauterbach. High-Throughput Screening Using Fourier-Transform Infrared Imaging. Engineering, 2015, 1(2): 234-242 DOI:10.15302/J-ENG-2015040

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Funding

The authors acknowledge the South Carolina SmartState Center for Strategic Approaches to the Generation of Electricity (SAGE) for funding.()

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