Influence of decomposition time and H2 pressure on properties of unsupported ammonium tetrathiomolybdate-derived MoS2 catalysts

Journal of Analytical Science and Technology

Table 1 Crystalline order along the basal direction and apparent stacking heights in the c -axis direction

Pressure (psig)	20			500			1,000
Time (h)	(110)	(002)	SA (m ² /g)	(110)	(002)	SA (m ² /g)	(110)	(002)	SA (m ² /g)
3	51	23	350	61	28	290	63	30	270
5	54	25	320	63	30	270	61	31	270
7	64	32	260	65	31	260	62	29	280

Crystalline order along the basal direction (Å) and apparent stacking heights in the c-axis direction (Å) calculated using the Debye-Scherrer equation to the broadening of the (110) and (002) diffraction peaks, respectively, for MoS2 catalysts. Surface Area (SA) was calculated in m²/g using the formula mentioned in the work by Iwata et al (2001).