Figure 2.

Thermal stability and decomposition of Pb₄S₃Br₂ NCs. (a) TGA curve of a Pb₄S₃Br₂ NC sample, showing the three distinct weight losses that the material undergoes upon heating. (b) Rietveld fit of the product of the first mass loss (∼350 °C), demonstrating that what is left after this step is a mixture of PbS and Pb₇S₂Br₁₀. (c) Rietveld fit of the XRPD pattern for the product of the second mass loss (∼600 °C), demonstrating that only PbS is left.