Self-assembled macroporous graphitic carbon materials and their applications = 다공성 흑연질 탄소 소재의 분자조립 및 그 응용에 관한 연구

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The assembly of nano-building blocks into a desired architecture is a challenging subject in the current materials science. It is critical to direct the macroscopic-scale as well as molecular-scale arrangements of various functional nanomaterials. Particularly, the assembly of carbon nanomaterials (CNMs) (carbon nanotubes (CNTs) and graphene-based materials) into film, fiber, gel or micropatterned material may provide versatile opportunities for applications in nanoelectronics, energy devices, sensors, bioscaffolds, etc. Here I present a versatile and robust functionalization method for CNMs with polymers and facile directed-assembly method to produce cellular CNM scaffolds with tunable morphologies. CNMs were decorated with various polymers covalently or noncovalently through charge-charge interaction or surface-initiated atom transfer radical polymerization (ATRP). The self-organization of aqueous droplets upon a volatile solution, generally known as a ‘breath figure’, has been applied to the organic solution containing both polymer and CNMs as solutes and yielded macroporous polymer/CNM nanocomposite films. Upon the calcination of the polymer matrices, the resultant highly entangled CNM scaffolds maintained the macroporous morphology. In this work, their electric conductivity, field emitting property, and supercapacitor performance have been explored to elucidate potential applications for nanoelectronics and energy storage materials.
Advisors
Kim, Sang-Oukresearcher김상욱researcher
Description
한국과학기술원 : 신소재공학과,
Publisher
한국과학기술원
Issue Date
2011
Identifier
466409/325007  / 020075127
Language
eng
Description

학위논문(박사) - 한국과학기술원 : 신소재공학과, 2011.2, [ x, 81 p. ]

Keywords

self-organization; functionalization; graphene; carbon nanotube; polymer; 고분자; 자기조립; 기능기화; 그래핀; 탄소나노튜브

URI
http://hdl.handle.net/10203/49888
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=466409&flag=dissertation
Appears in Collection
MS-Theses_Ph.D.(박사논문)
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