Table 1 Summarized materials properties of GBMs.

From: Differential cytotoxic effects of graphene and graphene oxide on skin keratinocytes

GBM

Elemental Analysis ± SD (wt%)

Atomic ratio (at. %) a

TGA weight lost (%) b

Lateral Dimension ± SD (nm) c

C

H

N

O

S

N/C

O/C

S/C

FLG

94.03 ± 0.64

0.32 ± 0.03

0.31 ± 0.03

5.34 ± 0.64

—

0.011

0.074

—

7

552 ± 245

GO1

43.20 ± 0.07

3.67 ± 0.07

0.07 ± 0.01

42.70 ± 0.02

10.37 ± 0.03

—

0.53

0.047

50

622 ± 581

GO2

47.71 ± 0.03

3.04 ± 0.02

0.15

48.84 ± 0.02

0.27 ± 0.03

—

0.51

—

52

845 ± 427

GO3

41.88 ± 1.06

3.04 ± 0.14

0.04

52.23 ± 0.46

2.82 ± 0.52

—

0.51

0.030

45

979 ± 498

  1. aRatios determined from the XPS survey spectra.
  2. bValues determined at 700 °C.
  3. cValues determined by HRTEM on 150 sheets.
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