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나노 구조 물리 연구단
나노구조물리 연구단
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Intact Crystalline Semiconducting Graphene Nanoribbons from Unzipping Nitrogen-Doped Carbon Nanotubes

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Title
Intact Crystalline Semiconducting Graphene Nanoribbons from Unzipping Nitrogen-Doped Carbon Nanotubes
Author(s)
Ho Jin Lee; Joonwon Lim; Soo-Yeon Cho; Hongjun Kim; Chanwoo Lee; Gil Yong Lee; Suchithra Padmajan Sasikala; Taeyeong Yun; Dong Sung Choi; Mun Seok Jeong; Hee-Tae Jung; Seungbum Hong; Sang Ouk Kim
Publication Date
2019-10
Journal
ACS APPLIED MATERIALS & INTERFACES, v.11, no.41, pp.38006 - 38015
Publisher
AMER CHEMICAL SOC
Abstract
© 2019 American Chemical Society.Unzipping carbon nanotubes (CNTs) may offer a valuable route to synthesize graphene nanoribbon (GNR) structures with semiconducting properties. Unfortunately, currently available unzipping methods commonly rely on a random harsh chemical reaction and thereby cause significant degradation of the crystalline structure and electrical properties of GNRs. Herein, crystalline semiconducting GNRs are achieved by a synergistic, judiciously designed two-step unzipping method for N-doped CNTs (NCNTs). NCNTs are effectively unzipped by damage-minimized, dopant-specific electrochemical unzipping and subsequent sonochemical treatment into long ribbon-like nanostructures with crystalline basal planes. Owing to the nanoscale dimension originating from the dense nucleation of the unzipping reaction at highly NCNTs, the resultant GNRs demonstrate semiconducting properties, which can be exploited for chemiresistor-type gas-sensing devices and many other applications
URI
https://pr.ibs.re.kr/handle/8788114/6418
ISSN
1944-8244
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > Journal Papers (저널논문)
Files in This Item:
Intact Crystalline Semiconducting_ACS Applied Materials and Interfaces_Mun Seok Jeong.pdfDownload

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