S. No

Samples Name

Surface Area (m²/g)

External Surface Area (m²/g)

Micropore Area (m²/g)

Total Pore Volume (cm³/g)

Micropore volume (cm³/g)

H₂ Adsorption Capacity at 298 K and 100 bar (et%)

1.

P-Doped Graphene

75

64.10

10.5

0.117

0.0044

2.2

2.

RGO

24

20.8

2.45

0.093

0.0010

0.28

3.

GO

11

8.52

2.79

0.061

0.0013

0.20

4.

Graphite

0.60

−0.76

1.45

0.011

0.0007

0.14