Table 1 Elemental composition and distribution of the type of oxygenic groups on the surface of GO-,Ge-OH, GO = O, GO-COOH, and GO-avg samples
From: Designed nitrogen doping of few-layer graphene functionalized by selective oxygenic groups
Sample | C/at.% | O/at.% | C/O | C distribution/% | ||||
|---|---|---|---|---|---|---|---|---|
C-C (284.5 ± 0.1 eV) | C-OH (285.4 ± 0.3 eV) | C-O-C (286.6 ± 0.2 eV) | C = O (287.6 ± 0.6 eV) | -COOH (288.7 ± 0.2 eV) | ||||
GO | 61.4 | 38.6 | 1.6 | 44.1 | 7.5 | 27.6 | 20.7 | |
Ge-OH | 69.0 | 31.0 | 2.2 | 48.2 | 40.0 | 8.3 | 12.5 | |
GO = O | 66.8 | 33.2 | 2.0 | 50.2 | 6.6 | 22.8 | ||
GO-OOH | 60.3 | 39.7 | 1.5 | 38.1 | 17.5 | 7.1 | 37.3 | |
GO-avg | 59.2 | 40.8 | 1.4 | 36.5 | 20.2 | 19.1 | 13.3 | 10.9 |