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Baek, Kangkyun
복잡계 자기조립 연구단
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High-performance transparent conductive pyrolyzed carbon (Py-C) ultrathin film

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Title
High-performance transparent conductive pyrolyzed carbon (Py-C) ultrathin film
Author(s)
Monalisa Pal; Gilwoon Lee; Anupam Giri; Kaliannan Thiyagarajan; Kangkyun Baek; Manish Kumar; Unyong Jeong
Subject
CHEMICAL-VAPOR-DEPOSITION, ; GRAPHENE FILMS, ; ELECTRODES, ; FABRICATION
Publication Date
2020-07
Journal
JOURNAL OF MATERIALS CHEMISTRY C, v.8, no.27, pp.9243 - 9251
Publisher
ROYAL SOC CHEMISTRY
Abstract
© The Royal Society of Chemistry.Pyrolyzed carbon (Py-C) film, a member of graphene family, has not been paid significant attention despite its potential advantages in synthesis procedure and opto-electro-mechanical properties. This academic indifference is due to the lack of a low-cost synthesis method for Py-C ultrathin films whose properties are comparable to those of graphene. In this study, we proposed the direct synthesis of Py-C ultrathin films on various target substrates. We produced a hydrogenated amorphous carbon (a-C:H) ultrathin film in a microwave oven and used it as a transferable precursor film for conversion into the Py-C ultrathin film. The thickness of the Py-C ultrathin film was controlled in the range of 0.7-12 nm. The Py-C ultrathin film has opto-electro-mechanical properties comparable to those of graphene, work function (4.57 eV) similar to that of graphene, high transparency with a relatively low sheet resistance (83% at 1.1 kΩ sq-1), excellent flexibility, stable electrical resistance upon folding, anti-oxidation, and chemical protection. This Py-C ultrathin film is expected to find various practical applications as an alternative to graphene. As an example, we demonstrated a highly flexible pixelated display fabricated using the Py-C ultrathin film as an electrode for alternating current electroluminescent (ACEL) devices. This journal i
URI
https://pr.ibs.re.kr/handle/8788114/7764
DOI
10.1039/d0tc01936d
ISSN
2050-7526
Appears in Collections:
Center for Self-assembly and Complexity(복잡계 자기조립 연구단) > 1. Journal Papers (저널논문)
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