Table 1 Fluorescence decay parameters of BS-GQDs in the absence and presence of different concertation of DA (λex = 375 nm, λem = 465 nm).

From: Highly sensitive and selective detection of dopamine with boron and sulfur co-doped graphene quantum dots

 

A1

A2

A3

T1 (ns)

T2 (ns)

T3 (ns)

<τ> (ns)

BS-GQDs

0.42

0.01

0.57

2.28

22.12

1.03

1.86

BS-GQDs + DA (405.6 μM)

0.11

0.02

0.88

1.94

8.36

0.17

0.50

BS-GQDs + DA (533.9 μM)

0.10

0.02

0.88

1.87

8.30

0.15

0.46

BS-GQDs + DA (659.1 μM)

0.07

0.01

0.92

1.71

7.87

0.12

0.31