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High throughput integrated thermal characterization with non-contact optical calorimetry
Sichao Hou1, Ruiqing Huo1, Ming Su1
1Department of Chemical Engineering, Northeastern University, Boston, Massachusetts 02115, USA.
The Review of Scientific Instruments
|November 3, 2017
Summary
This study introduces a novel infrared optical calorimetry technique for rapid, simultaneous thermal property analysis of multiple materials. This high-throughput method accurately measures melting temperature, latent heat, thermal conductivity, and heat capacity in minutes.
Area of Science:
- Materials Science
- Thermal Analysis
- Optical Calorimetry
Background:
- Traditional thermal analysis instruments (calorimeters, thermal conductivity meters) are single-sample, low-throughput devices.
- Characterizing diverse thermal properties often requires multiple, separate analytical techniques.
Purpose of the Study:
- To develop an integrated, high-throughput optical calorimetry method using infrared imaging.
- To enable simultaneous determination of multiple thermal properties for various material systems.
Main Methods:
- Utilized an infrared camera to capture time-domain temperature data from spatially distributed samples.
- Developed theoretical foundations for optical calorimetry based on infrared thermography.
- Applied the method to simultaneously analyze phase change and non-phase change materials.
Main Results:
- Successfully determined melting temperatures and latent heats of fusion for phase change materials.
- Accurately measured thermal conductivity and heat capacity for non-phase change materials.
- Characterized 16 samples within 2 minutes, demonstrating high throughput and accuracy.
Conclusions:
- The infrared-based optical calorimetry offers an integrated solution for comprehensive thermal property characterization.
- This high-throughput, non-contact method has the potential to significantly advance materials analysis.
- The technique provides high sensitivity, spatial resolution, and rapid analysis times.
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