Synthesis and Characterisation of Photo-Cross-Linkable Liquid Crystalline Poly(n-[n′-flurobenzoylstyryloxy]alkylmethacrylate)s and Their Fluorescence Lifetime Properties

Table 2

Fluorescence lifetime decay of polymers P1 and P2.

Polymers	𝜆𝐴 (nm)	𝜆𝐸 (nm)	UV-irradiation time (sec)	𝜏1 (ns)	𝛼1	𝜏2 (ns)	𝛼2	𝜏3 (ns)	𝛼3	<𝜏>	𝜒^2
			0	3.07	0.4601	0.4287	0.3657	9.05	0.1742	5.94	1.15
P1	313	430	150	2.72	0.4417	0.4761	0.2899	7.63	0.2683	5.60	1.12
			∞	2.40	0.4349	0.4469	0.2790	7.12	0.2862	5.32	1.06
			0	3.19	0.4946	0.8282	0.3312	9.60	0.1742	6.05	1.18
P2	313	430	150	2.65	0.5065	0.6778	0.2663	7.23	0.2271	4.91	1.10
			∞	2.61	0.4848	0.6154	0.2926	7.01	0.2226	4.77	1.09