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. Author manuscript; available in PMC: 2014 Apr 1.
Published in final edited form as: Inorg Chem. 2013 Mar 19;52(7):3597–3610. doi: 10.1021/ic300077g

Table 3.

Optical Properties of BF2bdk/PLA Blends at Room Temperature

0.05% BF2bdk/PLA(w/w%) 0.5% BF2bdk/PLA (w/w%)
λF/nma τF/nsb λF/nma τF/nsb
1 415 n/ac 413 n/ac
2 415 1.82 415 1.67
3 448 2.31 453 3.66
4 419 (532)d weak (10.1)d 428 (540)d 1.81 (10.8)d
5 389 0.61 392 0.89
6 427 2.36 435 3.79
7 437 1.44 443 1.83
8 430 (514)d 1.22 (9.12)d 430 (531)d 1.98 (13.43)d
9 429 2.44 435 3.71
10 429 5.35 413 6.58
a

λex = 369 nm.

b

Pre-exponential weighted lifetimes. All fluorescence lifetimes were fitted with triple-exponential decays.

c

Signal too weak to be detected with current LED excitation.

d

Values in parentheses correspond to charge transfer processes.