Table 2.

List of aromatic compounds used for non-covalent functionalization of carbon nanotubes.

Compound Name	Structure	CNT Structure	Application	References
1-Pyrenebutanoic acid, succinimidyl ester (PBSE)		SWCNT MWCNT	Bioelectrocatalysis of oxygen	[27,45,50,51,52,53,54]
1-(2-Anthraquinonylamino-methyl)pyrene		MWCNT	Bioelectrocatalysis of oxygen	[54]
[bis(2-anthraquinonyl)-aminomethyl]pyrene		MWCNT	Bioelectrocatalysis of oxygen	[54]
5,7,12,14-Tetramethyl-dibenzo-1,4,8,11-tetraazacyclotetradeca-3,5,7,10,-12,14-hexaene (TMTAA)		SWCNT	Not available	[60]
Adamantane-pyrene		SWCNT	Glucose biosensor	[61]
Biotin–pyrene		SWCNT	Glucose biosensor	[61]
Nitrilotriacetic acid (NTA)–pyrene		SWCNT	Glucose biosensor	[61]
Ferrocene		SWCNT	Glucose biosensor/ L -glutamate detection	[59,62,63]
Anthracene		SWCNT	Bioelectrocatalysis of oxygen	[64,65]
Anthrarobin		SWCNT	Not available	[65]
9,10-Dibromoanthracene		SWCNT	Not available	[65]
9,10-Anthracene-dicarbonitrile		SWCNT	Not available	[65]
9-Anthracenemethanol		SWCNT	Not available	[65]
Thionine		MWCNT	Glucose and uric acid biosensors/ Hydrogen peroxide detection	[66,67,68,69,70,71]
Methylene blue (MB)		SWCNT	Not available	[72,73]
Naphthalen-1-methyl- phosphonic acid (NYPA)		SWCNT	Hydrogen peroxide detection	[74]
1,10-Phenanthroline-5,6-dione (PD)		MWCNT	Ethanol biosensor	[75]
Triphenylene (TP)		MWCNT	TNT detection	[76]
Porphyrin		SWCNT	Not available	[77]
Hydroxyferriproto- porphyrin (hematin)		SWCNT	Trichloroacetic acid biosensor	[78]