Hollow carbon nanospheres using an asymmetric triblock copolymer structure directing agent

Yunqi Li; Haibo Tan; Rahul R. Salunkhe; Jing Tang; Lok Kumar Shrestha; Bishnu Prasad Bastakoti; Hongpan Rong; Toshiaki Takei; Joel Henzie; Yusuke Yamauchi; Katsuhiko Ariga

doi:10.1039/C6CC07360C

Hollow carbon nanospheres using an asymmetric triblock copolymer structure directing agent†

Yunqi Li,^a Haibo Tan,^ab Rahul R. Salunkhe,^a Jing Tang,^a Lok Kumar Shrestha,^a Bishnu Prasad Bastakoti,^a Hongpan Rong,^a Toshiaki Takei,^a Joel Henzie,

^a Yusuke Yamauchi*^abc and Katsuhiko Ariga

*^a

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* Corresponding authors

^a World Premier International (WPI) Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
E-mail: Ariga.Katsuhiko@nims.go.jp, Yamauchi.Yusuke@nims.go.jp

^b Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan

^c Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia

Abstract

We introduce a simple method to prepare hollow carbon nanospheres (HCNs) by using triblock copolymer poly(styrene-b-2-vinylpyridine-b-ethylene oxide) (PS-b-P2VP-b-PEO) micelles as a new class of soft-templates. Simply by changing the solvent we can prepare ultra-small sized micelles of the triblock copolymer PS-b-P2VP-b-PEO soft template to obtain HCNs with ultra-small diameters (43 nm) and hollow cores (19 nm). Furthermore, we use these HCNs to make electric double-layer capacitors (EDLCs) that exhibit superior performance.

Chemical Communications

Hollow carbon nanospheres using an asymmetric triblock copolymer structure directing agent†

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