Fabrication and Thermoelectric Properties of Graphene/Bi₂Te₃ Composite Materials

Table 1

Relative density of Bi₂Te₃/graphene bulk materials fabricated by SPS.

	Content of graphene
	0	0.1 vol.%	0.2 vol.%	2 vol.%
Actual density (g/cm^3)	7.71	7.70	7.68	7.57
Theoretical density (g/cm^3)	7.86	7.85	7.85	7.79
Relative density	98.09%	98.09%	97.83%	97.18%