title: Photopolymerization of Diacetylene on Aligned Multiwall Carbon Nanotube Microfibers for High-Performance Energy Devices.
abstract: Linear two-dimensional materials have recently attracted an intense interest for supercapacitors because of their potential uses as electrodes in next-generation wearable electronics. However, enhancing the electrochemical properties of these materials without complicated structural modifications remains a challenge. Herein, we present the preparation of a hybrid electrode system via polydiacetylene (PDA) cloaking on the surface of aligned multiwall carbon nanotubes (MWCNTs) through self-assembly based in situ photopolymerization. This strategy eliminates the need for initiators and binders that hinder electrochemical performance in conventional conducting polymer based composite electrodes. As noncovalent PDA cloaking did not alter the chemical structure of MWCNTs, high inherent conductivity from sp2hybridized carbon was preserved. The resulting hybrid microfiber (MWCNT@PDA) exhibited a significant increase in specific capacitance (1111 F g-1) when compared to bare MWCNTs (500 F g-1) and PDA (666.7 F g-1) in a voltage window of 0-1.2 V at a current density of 3 A g-1in 0.5 M K2SO4electrolyte. The specific capacitance was retained (ca. 95%) after 7000 charge/discharge cycles. The present results suggest that aligned MWCNTs cloaked with conjugated polymers could meet the demands for future flexible electronics.
authors.forename: Mani
authors.initials: M
authors.lastname: Ulaganathan
authors.forename: Reinack Varghese
authors.initials: RV
authors.lastname: Hansen
authors.affiliation: Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University , 21 Nanyang Link, 637371 Singapore.|L. G. Rich Environment Laboratory, Clemson University , 343 Computer Court, Clemson, South Carolina 29625, United States.
authors.forename: Nateisha
authors.initials: N
authors.lastname: Drayton
authors.affiliation: Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University , 21 Nanyang Link, 637371 Singapore.
authors.forename: Hardik
authors.initials: H
authors.lastname: Hingorani
authors.forename: R Govindan
authors.initials: RG
authors.lastname: Kutty
authors.affiliation: Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University , 21 Nanyang Link, 637371 Singapore.
authors.forename: Hrishikesh
authors.initials: H
authors.lastname: Joshi
authors.affiliation: Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University , 21 Nanyang Link, 637371 Singapore.
authors.forename: Sivaramapanicker
authors.initials: S
authors.lastname: Sreejith
authors.forename: Zheng
authors.initials: Z
authors.lastname: Liu
authors.affiliation: Department of Mechanical and Aerospace Engineering, Hong Kong University of Science and Technology , Clear Water Bay, Hong Kong.
authors.forename: Jinglei
authors.initials: J
authors.lastname: Yang
authors.affiliation: Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University , 21 Nanyang Link, 637371 Singapore.
authors.forename: Yanli
authors.initials: Y
authors.lastname: Zhao
keywords: carbon nanotube; energy; photopolymerization; polydiacetylene; supercapacitor