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

Table 2

Time constants 𝜏₁ and 𝜏₂, components B₁ and B₂, and average lifetime 𝜏 of as-prepared TGA-capped CdTe, and CdTe/CdS core/shell QDs (samples shown in Table 1 (as-prepared)).

Sample	B1	𝜏1/ns	B2	𝜏2/ns	𝜏/ns
A0	56.73	12.99	43.27	43.26	34.7
A1	56.21	17.37	43.79	47.58	37.9
A2	50.33	20.09	49.67	54.77	45.4
B0	59.65	14.26	40.35	42.80	33.4
B1	61.38	18.54	38.62	45.35	34.8
B2	52.90	21.01	47.10	51.06	41.6
C0	66.91	16.44	33.09	41.09	30.1
C1	63.15	20.24	36.85	42.14	32.3
C2	51.92	23.36	48.08	52.87	43.3