Figure 5From: Influence of decomposition time and H2 pressure on properties of unsupported ammonium tetrathiomolybdate-derived MoS2 catalysts FT-IR spectra for specimens 3- 20 and 3- 1,000. FT-IR spectra for specimens 3-20 and 3-1,000 showing variation of Mo-S peak vibrations (378 and/or 385 cm−1) and S-S peak (592 cm−1); spectra normalized against peak at 378 cm−1.Back to article page