An old ligand learns a new trick: 2,9-di(pyrid-2-yl)-1,10-phenanthroline discriminates PFOA from PFOS in water.

Authors

Bin Li, Ziyi Zhang, Zehui Xu, Yu Kang, Jiaqi Yu, Yanhong Zeng, Guo Wang, Xiaoyan Tang, Chao Xu, Li Wang

Published in

Chemical communications (Cambridge, England). Oct 12, 2026. Epub Oct 12, 2026.

Abstract

The polypyridyl ligand 2,9-di(pyrid-2-yl)-1,10-phenanthroline (DPP) functions as a turn-on sensor for PFOA over PFOS in water with a detection limit of 70 ppb. Single-crystal analysis reveals a PFOA-water-DPP hydrogen-bond network that promotes DPP excimer emission enabling selective PFAS sensing.

PMID:
42862111
Bibliographic data and abstract were imported from PubMed on 12 Oct 2026.

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