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Table 1 The experimental parameters used for the hydrothermal synthesis of FeS 2 nanoparticles

From: Phase-pure iron pyrite nanocrystals for low-cost photodetectors

Sample number [S]/[Fe] Reaction time (hour) PH Phase and impurities Morphology
1 1/1.5 24 11.5 FeS2 + Fe x O1 - x + S Polygonal nanoparticles
2 1/0.75 24 11.5 FeS2 + Fe x O1 - x  + S Polygonal nanoparticles
3 2/1 48 12.3 FeS2 + Fe x O1 - x Nanorods
4 2.5/1 48 12.3 FeS2 + Fe x O1 - x Nanocubes and polygonal nanoparticles
5 3/1 48 12.3 FeS2 + Fe x O1 - x Nanocubes and hierarchical particles
6 3.75/1 48 12.3 FeS2 Hierarchical particles
  1. [S]/[Fe] represents the molar ratio between sulphur and iron elements. The reaction temperature is maintained at 200°C.