IEC/TS 62607-6-21 Ed. 1.0 en:2022

Current Revision
Nanomanufacturing - Key control characteristics - Part 6-21: Graphene-based material - Elemental composition, C/O ratio: X-ray photoelectron spectroscopy

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Nanomanufacturing - Key control characteristics - Part 6-21: Graphene-based material - Elemental composition, C/O ratio: X-ray photoelectron spectroscopy

PUBLISH DATE 2022

Nanomanufacturing - Key control characteristics - Part 6-21: Graphene-based material - Elemental composition, C/O ratio: X-ray photoelectron spectroscopy.

IEC TS 62607-6-21:2022 establishes a standardized method to determine the chemical key control characteristics:

  • elemental composition, and
  • C/O ratio

for powders of graphene-based materials by X-ray photoelectron spectroscopy (XPS).

The elemental composition (species and relative abundance) is derived by the elemental binding energy and integral peak area at corresponding portion of XPS spectrum.

- The elemental composition refers to main elements in graphene powders, typically including carbon (C), oxygen (O), nitrogen (N), sulfur (S), chloride (Cl) and silicon (Si).

- This document is applicable to graphene powders consisting of graphene, bilayer graphene (2LG), trilayer graphene (3LG), few-layer graphene (FLG), graphene nanoplate (GNP), reduced graphene oxide (rGO), graphene oxide (GO), and functionalized graphene powders.

- Typical application areas are the microelectronics and thermal management industries, e.g. batteries, integrated circuits, high-frequency electronics.

This document can be used by manufacturers in research and development and by downstream users for product selection.

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