ISO/TS 10868:2017

TECHNICAL ISO/TS
SPECIFICATION 10868
Second edition
2017-05
Nanotechnologies — Characterization
of single-wall carbon nanotubes using
ultraviolet-visible-near infrared (UV-
Vis-NIR) absorption spectroscopy
Nanotechnologies — Caractérisation des nanotubes à simple couche
de carbone par utilisation de la spectroscopie d’absorption UV-Vis-NIR
Reference number
ISO/TS 10868:2017(E)
©
ISO 2017

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ISO/TS 10868:2017(E)

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ISO/TS 10868:2017(E)

Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms, definitions and abbreviated terms . 1
3.1 Terms and definitions . 1
3.2 Abbreviated terms . 2
4 Principle . 2
4.1 General . 2
4.2 UV-Vis-NIR absorption spectroscopy . 2
4.3 Optical absorption peaks of SWCNTs in the UV-Vis-NIR region . 2
4.4 Relation between SWCNT diameter and optical absorption peaks . 4
4.5 Derivation of the purity indicator from optical absorption peak areas . 4
4.6 Derivation of ratio of metallic SWCNTs from optical absorption peak areas . 6
5 UV-Vis-NIR spectrometer . 6
6 Sample preparation method . 6
6.1 General . 6
6.2 Preparation of D O dispersion for measurement of mean diameter and the ratio of
2
metallic SWCNTs . 7
6.3 Preparation of solid film dispersion for measurement of the mean diameter and
the ratio of metallic SWCNTs . 7
6.4 Preparation of DMF dispersion for determination of the purity indicator . 8
7 Optical measurement procedures and conditions .
...