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. 2015 Aug 14;5:13083. doi: 10.1038/srep13083

Table 1. Composition (at.%) of the various samples according to XPS analysis.

Samples C O Ti Fe
GO 65.48 34.52 0 0
rGO 85.84 14.16 0 0
TiO2 39.21 41.56 19.23 0
rGO/TiO2 49.67 38.26 12.07 0
Fe(III)/TiO2 41.68 41.93 15.22 1.17
Fe(III)/rGO-TiO2 40.47 42.07 12.08 5.38