Directed Assembly of End-Functionalized Single Wall Carbon Nanotube Segments

Nano Letters
Erika PenzoShalom J Wind

Abstract

A key impediment to the implementation of a nanoelectronics technology based on single wall carbon nanotubes (SWCNTs) is the inability to arrange them in a manner suitable for integration into complex circuits. As a step toward addressing this problem, we explore the binding of fixed-length, end-functionalized SWCNT segments to lithographically defined nanoscale anchors, such that individual SWCNTs can be placed with control over position and orientation. Both monovalent and bivalent bindings are explored using covalent and noncovalent binding chemistries. Placement efficiency is assessed in terms of overall yield of SWCNT binding, as well as binding specificity and the degree of nonspecific binding. Placement yields as high as 93% and 79% are achieved, respectively, for covalent binding and for binding through DNA hybridization. Orientational control of the SWCNT segments is achieved with 95% and 51% efficiency for monovalent and bivalent bindings, respectively. This represents a new approach that could pave the way toward complex SWCNT devices and circuits.

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Citations

Mar 12, 2016·ACS Nano·Haogang CaiShalom J Wind
Dec 18, 2019·Chemical Society Reviews·Hebing HuYi Long
Jan 7, 2016·Beilstein Journal of Nanotechnology·Francisco PalazonJean-Pierre Cloarec
Jan 17, 2020·Angewandte Chemie·Yueyue ZhangXiaolei Zuo
Dec 3, 2016·Topics in Current Chemistry·Pan Li, Jin Zhang
Jan 14, 2021·Advanced Science·Alexander Corletto, Joseph G Shapter
Dec 1, 2019·Journal of the American Chemical Society·Min LyuMing Zheng
Nov 8, 2018·ACS Applied Materials & Interfaces·Samuel J W KrerowiczDavid C Schwartz
Jul 10, 2019·Journal of the American Chemical Society·Hao PeiNadrian C Seeman

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