Synthesis of Co-Doped CdS Nanocrystals by Direct Thermolysis of Cadmium and Cobalt Thiolate Clusters

Table 2

Comparison of the synthesis conditions for CdS and CdS:Co nanorods.

CdS				CdS:Co
Cd cluster (g)^(a)	HDA (g)	Reaction time (h)	Product	Cd cluster (g)^(a)	Co cluster (g)^(b)	HDA (g)	Reaction time (h)	Product
1.0	40	3	QDs	1.2	0.5	40	1	NRs
1.0	30	3	QDs + NRs
1.2	25	1	QDs	1.2	0.2	25	1	NRs
1.2	25	3	QDs + NRs
1.2	25	5	NRs
3.0	20	5	Branched NRs	1.2	0.5	25	1	Branched NRs

Note: (a) (Me₄N)₄[S₄Cd₁₀(SC₆H₅)₁₆] and (b) (Me₄N)₂[Co₄(SC₆H₅)₁₀]. QDs: quantum dots and NRs: nanorods.