Time-Resolved Photoluminescence Spectroscopy Evaluation of CdTe and CdTe/CdS Quantum Dots

Table 3

Time constants 𝜏₁ and 𝜏₂, components B₁ and B₂, and average lifetime 𝜏 of TGA-capped CdTe, and CdTe/CdS core/shell QDs (samples shown in Table 1, stored at room temperature for 130 days).

Sample	B1	𝜏1/ns	B2	𝜏2/ns	𝜏/ns
A0	57.12	15.32	42.88	40.53	32.1
A1	49.93	15.86	50.07	47.01	39.2
A2	44.89	18.46	55.11	55.05	47.2
B0	38.52	11.91	61.48	62.93	57.5
B1	55.48	18.60	44.52	45.24	36.2
B2	51.12	21.30	48.88	53.58	44.1
C0	62.62	17.01	37.38	37.16	28.4
C1	55.99	17.97	44.01	37.68	30.2
C2	51.42	24.13	48.58	57.39	47.2