Table 2.

Temperature coefficient values for various 2D materials.

TMDCs	Raman modes	Temperature coefficient (χ)	∆ω (cm−1)	Ref.
MoSe2	A1g	−0.0096	4.75	[29]
WSe2	A1g	−0.0071	3.81	[29]
MoS2	Eg	−0.0136	8	[29]
	A1g	−0.0113	6.11
WS2	Eg	−0.0098	4.51	[29]
	A1g	−0.014	6.43
black phosphorous	A1g	−0.008	4.39	[31]
	B2g	−0.013	8.14
	A2g	−0.014	8.63
TiS3	A1g	−0.022, −0.025, −0.024, −0.017	–	[32]
single-layer graphene	G	−0.0162	–	[33]
bilayer graphene	G	−0.0154	–
MoTe2 (bilayer)	E’2g	−0.0116	–	[34]
	B’2g	−0.0181	–
PtSe2	Eg	−0.014	6.11	this work
	A1g	−0.008	3.14