Experimental study demonstrates ultrasensitive formaldehyde sensing via a distorted europium cage, highlighting its utility for trace pollutant monitoring.
-symmetric bowl-shaped ligands containing a phosphangulene core. X-ray crystallography confirmed its unique architecture, featuring significant structural distortion and solvent-accessible coordination sites. This cage showcases exceptional luminescence-based sensitivity for formaldehyde detection compared to other analogs, achieving an impressive detection limit of 19.4 ppb.
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Li et al. (2025) studied this question.
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