Table 1. Nanocarbon substrates.

Abbr.	Carbon material	Description	BET surface area beforefunctionalisation (m2g−1)	BET surface area postfunctionalisation (m2g−1)
MWNT(A)	multi-wall carbon nanotubes	CVD grown commercial Arkema® CNTs, D approx. 10 nm and several microns in length	220	180
MWNT(B)	multi-wall carbon nanotubes	Injection CVD grown carbon nanotubes D approx. 100 nm and several tens of microns in length	30	<30
GO	graphene oxide	Heavily-oxidised, hydrophilic graphene	60	—
CB	carbon black	Common form of amorphous carbon, agglomerate size 100–500 nm, average primary particle size 10 nm.	270	220