Hydroxyl Functionalization Effects on Carbene–Graphene for Enhanced Ammonia Gas Sensing
Athar A Hassanian, Kamal A Soliman, Tawfiq Hasanin, Abdesslem Jedidi, Adnene Dhouib, Yingang Gui · 2025
Read Hydroxyl Functionalization Effects on Carbene–Graphene for Enhanced Ammonia Gas Sensing by Athar A Hassanian, Kamal A Soliman, Tawfiq Hasanin, Abdesslem Jedidi, Adnene Dhouib, Yingang Gui (2025) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-12736345.txt.
Description
Athar A Hassanian and five co-authors run computer simulations of a graphene based sensor for ammonia gas, in this 2025 paper. Graphene sheets can be chemically tweaked to catch target gases, and ammonia detection matters for farming, industry, and health. The team attached a carbon bridge to the sheet, then asked where hydroxyl groups would sit and how they change ammonia capture.
The bridge creates a raised, chemically eager spot that ammonia prefers. Single hydroxyl groups gave moderate binding, the kind that lets a sensor reset quickly at room temperature. Certain paired placements across the sheet bound ammonia far more strongly, through teamwork among hydrogen bonds. Charge analysis showed the grip is mostly polarization, not full bond making. The authors propose placing pairs on purpose to tune sensitivity against reusability.
Catalog record
| CREATOR | Athar A Hassanian, Kamal A Soliman, Tawfiq Hasanin, Abdesslem Jedidi, Adnene Dhouib, Yingang Gui |
|---|---|
| YEAR | 2025 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 41 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |