Pradeep K. Rai

TL;DR: It is shown that single-walled nanotubes form true thermodynamic solutions in superacids, and the full phase diagram is reported, allowing the rational design of fluid-phase assembly processes for bottom-up assembly of nanot tubes and nanorods into functional materials.

TL;DR: It is found that the critical concentration of the isotropic-nematic transition increases with acid strength in accordance with the previously proposed sidewall protonation mechanism for dispersing SWNTs in acids.

TL;DR: In this article, single-walled carbon nanotubes functionalized by phenyl groups are sulfonated in oleum to give materials that exhibit high solubility in water as determined by centrifugation in conjunction with UV−vis−near-infrared measurements.

TL;DR: The viscosity-concentration dependence of dilute pristine and f-SWNTs is compared to assess whether and how functionalization promotes de-bundling and stabilizes the tubes.

TL;DR: In this article, it was shown that large fullerenes (LFs) are soluble in concentrated sulfuric acids and employed a centrifugation technique in conjunction with ultraviolet−visible and near-infrared (UV−vis−nIR) spectroscopy to quantify solubility.