Probing Local Structural Variations in Metal–Organic Framework Thin Films Using Nano-FTIR
Yukihiro Matsumoto, Kento Takenaka, Hiromasa Sato, Yuto Fujita, Toshiki Sugimoto, Tomoko K. Shimizu · 2026
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Description
Yukihiro Matsumoto and co-authors probed in 2026 tiny structural flaws inside a metal-organic framework thin film using a nanoscale infrared method. Such films promise sensors and filters, yet bulk measurements hide local defects. Their team combined an atomic force microscope with nano-FTIR to read coordination bonding spot by spot in a film called NAFS-1.
The maps exposed patchiness that wide-area tools miss. Some zones held carboxyl groups that never linked to metal, while raised features elsewhere showed strong coordination. Skipping the usual water rinse after film transfer made the film less uniform overall, even though average bonding improved. The authors say local checks like these are essential for judging film quality. The findings also illuminate how these films assemble at the air-liquid boundary where they form.
Catalog record
| CREATOR | Yukihiro Matsumoto, Kento Takenaka, Hiromasa Sato, Yuto Fujita, Toshiki Sugimoto, Tomoko K. Shimizu |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 25 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |