Table 8. COPs and COFs Used as Sensors for Various Amines and Ammonia.

material	amine analyte	sensing mechanism	LOD	KSV (M–1)	ref.
F-CTF-3	phenylamine	static quenching	11.7 nM	8.01 × 105	(112)
F-CTF-3	p-phenylenediamine	static quenching	1.47 nM	6.36 × 106	(112)
F-CTF-3	1-naphthylamine	static quenching	26.2 nM	3.57 × 105	(112)
P7-COP	n-propyl amine	PET	114 ppm	n/a	(111)
P7-COP	n-hexylamine	PET	4.0 ppm	n/a	(111)
P7-COP	diethylamine	PET	190 ppm	n/a	(111)
P7-COP	dipropylamine	PET	0.036 ppb	n/a	(111)
P7-COP	aniline	PET	0.52 ppb	n/a	(111)
P7-COP	o-toluidine	PET	0.55 ppt	n/a	(111)
COP-1	NH3	ICT	5.9 × 10–4	n/a	(116)
P1	p-phenylenediamine	PET (quenching)	171 nM	n/a	(115)
P2	aniline	PET (quenching)	81 nM	n/a	(115)
P2	triethylamine	turn-on fluorescence	43 nM	n/a	(115)
TPE-Ph COF	NH3	AIE	n/a	4.44 × 105	(117)