High-Yield Synthesis and Optical Properties of Carbon Nanotube Porins

Ramya H. Tunuguntla, Xi Chen, Allison Belliveau, Frances I. Allen, Aleksandr Noy

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Carbon nanotube porins (CNTPs) are a convenient membrane-based model system for studying nanofluidic transport that replicates a number of key structural features of biological membrane channels. We present a generalized approach for CNTP synthesis using sonochemistry-assisted segmenting of carbon nanotubes. Prolonged tip sonication in the presence of lipid molecules debundles and fragments long carbon nanotube aggregates into stable and water-soluble individual CNTPs with lengths in the range 5-20 nm. We discuss the main parameters that determine the efficiency and the yield of this process, describe the optimized conditions for high-yield CNTP synthesis, and demonstrate that this methodology can be adapted for synthesis of CNTPs of different diameters. We also present the optical properties of CNTPs and show that a combination of Raman and UV-vis-NIR spectroscopy can be used to monitor the quality of the CNTP synthesis. Overall, CNTPs represent a versatile nanopore building block for creating higher-order functional biomimetic materials.

Original languageEnglish (US)
Pages (from-to)3117-3125
Number of pages9
JournalJournal of Physical Chemistry C
Volume121
Issue number5
DOIs
StatePublished - Feb 9 2017
Externally publishedYes

Fingerprint

Porins
Carbon Nanotubes
Carbon nanotubes
Optical properties
carbon nanotubes
optical properties
synthesis
Sonochemistry
Biomimetic materials
Nanofluidics
membranes
Biological membranes
ultrasonic processing
Nanopores
Sonication
Functional materials
biomimetics
Ion Channels
Lipids
lipids

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Energy(all)
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films

Cite this

High-Yield Synthesis and Optical Properties of Carbon Nanotube Porins. / Tunuguntla, Ramya H.; Chen, Xi; Belliveau, Allison; Allen, Frances I.; Noy, Aleksandr.

In: Journal of Physical Chemistry C, Vol. 121, No. 5, 09.02.2017, p. 3117-3125.

Research output: Contribution to journalArticle

Tunuguntla, Ramya H. ; Chen, Xi ; Belliveau, Allison ; Allen, Frances I. ; Noy, Aleksandr. / High-Yield Synthesis and Optical Properties of Carbon Nanotube Porins. In: Journal of Physical Chemistry C. 2017 ; Vol. 121, No. 5. pp. 3117-3125.
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