Table 2 Calculated parameters from single QDs on glass coverslips and in ITO.

From: Suppressing the Fluorescence Blinking of Single Quantum Dots Encased in N-type Semiconductor Nanoparticles

 

a

b

kexc(s−1)c

kr(s−1)d

knr(s−1)e

ket(s−1)f

kbet(s−1)g

kET(s−1)h

QD (on Glass)

188 ± 21

314 ± 30

~6 × 106

~4.2 × 107

~1.8 × 107

58.5 ± 5.9

3.2 ± 0.3

~

QD (in ITO)

631 ± 90

94 ± 10

~9.6 × 106

~2.5 × 107

~3.5 × 107

26.8 ± 3.3

10.1 ± 0.5

~8.3 × 107

  1. aAverage on-time of single QDs on glass coverslips and in ITO.
  2. bAverage off-time of single QDs on glass coverslips and in ITO.
  3. cCalculated excitation rate.
  4. dRadiative decay rate.
  5. eNonradiative decay rate.
  6. fElectron transfer rate from excited QD to trap states.
  7. gElectron transfer rate from the trap states to the ground state of QD.
  8. hElectron transfer rate from excited QD to ITO.
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