Table 2 (a) Lifetime measurements ATTO655 in 10% SU8. Sample1: ATTO655 313 μM droplet; Sample 2, 3: ATTO655-5nM in 10% SU8 Matrix, 2000 rpm; Sample 4: ATTO655 5 nM in 10% SU8 Matrix, 2000 rpm. Collection area about 0.4 μm2. Single exponential decay. λ = 640 nm, NA=1.2. (b) Lifetime measurements for ATTO655 coated on Au-SiO2 in 10% SU8 spin coated on a glass substrate. Samples 5, 6, 7, 8, 9: Au-SiO2-ATTO655 in 10% SU8 Matrix, 2000 rpm. Bi-exponential decay. λ = 640 nm, NA=1.2.
From: Cooperative bi-exponential decay of dye emission coupled via plasmons
Sample | I1 Kcnts | A1 Kcnts | τ1 ns | χ2 | |||
|---|---|---|---|---|---|---|---|
1 (droplet) | 499 | 2.5 | 3.2 ± 0.003 | 1.062 | |||
2 (spin) | 90 | 0.66 | 2.2 ± 0.007 | 1.035 | |||
3 (spin) | 78 | 0.568 | 2.2 ± 0.006 | 1.041 | |||
4 (spin) | 11 | 0.094 | 1.8 ± 0.033 | 1.083 | |||
Sample | I 1 Kcnts | I 2 Kcnts I 2 /I 1 | A 1 Kcnts | A 2 Kcnts A 2 /A 1 | τ 1 , ns | τ 2 , ns τ 2 /τ 1 | χ 2 |
5 | 13 | 7.7 0.6 | 0.43 | 0.048 0.11 | 0.46 ± 0.005 | 2.6 ± 0.1 5.65 | 1.019 |
6 | 38 | 69 1.8 | 0.51 | 0.340 0.66 | 1.2 ± 0.06 | 3.24 ± 0.05 2.7 | 1.038 |
7 | 133 | 91 0.68 | 1.6 | 0.4 0.25 | 1.34 ± 0.02 | 3.6 ± 0.04 2.7 | 0.961 |
8 | 96 | 110 1.1 | 1.56 | 0.56 0.36 | 1 ± 0.02 | 3.1 ± 0.02 3.1 | 0.988 |
9 | 19 | 8 0.42 | 0.7 | 0.06 0.086 | 0.44 ± 0.004 | 2.5 ± 0.1 5.68 | 1.010 |
