Colorimetric Sensor for Acid Vapors
Author Information
Author(s): Jang Wonhyeong, Yoo Hyejin, Shin Dongjun, Noh Seokjin, Kim Jin Yeong
Primary Institution: Seoul National University
Hypothesis
Can a metal-organic framework-based sensor effectively identify colorless acid vapors through visible color changes?
Conclusion
The MOF-808-EDTA-Cu sensor can visually differentiate between various colorless acid vapors and is practical for on-site monitoring.
Supporting Evidence
- The sensor can identify six different colorless acid vapors.
- It exhibits a visible color change from cyan to yellow when exposed to HCl vapor.
- The sensor is portable and can be used for 24-hour monitoring.
- It is unresponsive to interfering gases and environmental changes.
Takeaway
This study created a special sensor that changes color when it detects different acid gases, helping to keep people safe.
Methodology
The sensor was developed using a metal-organic framework combined with a colorimetric center that changes color in response to different acid vapors.
Limitations
The sensor's effectiveness may vary with different environmental conditions and concentrations of acid vapors.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website