What question did this study set out to answer?

This research aims to improve ammonia detection using a composite of a metal-organic framework and a conducting polymer.

August 13, 2026ACS Sensors

Spray-Printed UiO-66/Polyaniline Composite Films: Tuning MOF Content and Conductivity for Enhanced Ammonia Detection

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Authors

TSTzer-Rurng SuOregon State University DVDerrick VongOregon State University LWLillian WeissGreen Valley High School

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Implication

Randomized trial demonstrates enhanced ammonia detection in environmental settings using optimized nanocomposites, indicating high sensitivity and selectivity.

Key Points

This research aims to improve ammonia detection using a composite of a metal-organic framework and a conducting polymer.
Synthesized a nanocomposite of UiO-66 and polyaniline via in situ polymerization.
Developed a contactless spray-deposition technique for uniform composite film fabrication.
Optimized UiO-66 loading for maximizing gas-accessible surface area and electrical conductivity.
The optimized 5 wt % UiO-66/PANI sensor achieved 138% sensitivity at 100 ppb ammonia.
This performance represents nearly a three-fold improvement over pristine PANI, which had 48% sensitivity at the same concentration.
The sensor demonstrated excellent selectivity to ammonia over common interfering gases and robust stability under varying humidity.

Cite This Study

Su et al. (2026) studied this question.

synapsesocial.com/papers/6a7d76792b0e0cff3f63fdb8 https://doi.org/10.1021/acssensors.6c00717

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Implication

Randomized trial demonstrates enhanced ammonia detection in environmental settings using optimized nanocomposites, indicating high sensitivity and selectivity.

Spray-Printed UiO-66/Polyaniline Composite Films: Tuning MOF Content and Conductivity for Enhanced Ammonia Detection

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Implication

Key Points

Cite This Study

Spray-Printed UiO-66/Polyaniline Composite Films: Tuning MOF Content and Conductivity for Enhanced Ammonia Detection

Discussion

Member takes

Implication

Key Points

Cite This Study

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