Table 2.

Overview of reported length reduction of CNT due to sonication, indicating the solvent system, the type of CNT, sonication power, and energy applied, as well as determined damage, together with the respective citation.

Dispersion Medium	Nanofiller Type	Input Power	Sonication Time/Energy Input	Analyzing Tool	Length Reduction	Measured Dimension	Citation
Distilled water + polyacrylate-based dispersing agent	MWCNT	150 W	25 J/mL–400 J/mL	SEM	265 nm (75 J/mL)–216 nm (400 J/mL); histogram peak	Length	[35]
Milli-Q water	Carboxylated MWCNT	100 W	7 h	SEM	902 nm (0 min)–152 nm	Length	[87]
Distilled water	MWCNT	260 W, ultrasonic bath	15–120 min	DLS	400 nm (0 min)–50 nm (90 min)	Length calculated from Dh	[70]
D2O + sodium cholate	SWCNT	20 W	5–120 min	AFM	800 nm (0 min)–165 nm (120 min)	Length	[36]
Sodium deoxychlorate	SWCNT	120 W, sonication tip	10–120 min	AFM	1.3 µm (30 min)–0.7 µm (120 min) histogram peak	Length	[69]
Organic solvent + pyrene-siloxane surfactant	MWCNT	>60 W/cm2	3–10 h	SEM	5–15 µm (0 min)–2–6 µm (3 h)	Length	[65]
Sodium dodecyl sulfate + Milli-Q water	SWCNT (bundles)	20 and 40 W	15–120 min	DDLS	Length: 2.286–1.146 µm; diameter: 40.6–12.1 nm (20 W, 30–120 min); 1.156–0.822 µm; diameter: 37.9–2.9 nm (40 W, 15–120 min);	Length and diameter	[78]
Water	MWCNT and N-doped MWCNT	1.2 kJ, 2.1 kJ, 6 kJ, 10 kJ, 17 kJ	30–300 s	SEM	17.1± 11.9 µm undoped–13.6 ± 9.9 µm N-doped (30 s, 1.2 kJ); 9.5 ± 5.1 µm undoped–10.1 ±6.0 µm N-doped (300 s, 10 kJ)	Contour length	[67]