the first stage consists on the reduction process of tellurium
with NaBH4 in N2 saturated water to produce NaHTe. After
all tellurium has been completely consumed the resulting solution
was transferred into a second flask containing 4.0 103 mol of
CdCl2 and 6.8 103 mol of MPA in 100 mL N2 saturated solution.
The pH of the solution was adjusted to 11.5 with a 1.0 mol L1
NaOH solution. The molar ratio of Cd2+:Te2:MPA was fixed at
1:0.1:1.7. The size of CdTe QDs was controlled by changing the
refluxing time